1243 lines
41 KiB
Diff
1243 lines
41 KiB
Diff
diff -up openssl-1.0.1j/crypto/aes/aes_wrap.c.wrap openssl-1.0.1j/crypto/aes/aes_wrap.c
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--- openssl-1.0.1j/crypto/aes/aes_wrap.c.wrap 2014-10-15 13:15:29.000000000 +0200
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+++ openssl-1.0.1j/crypto/aes/aes_wrap.c 2014-10-16 13:30:10.679654927 +0200
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@@ -53,207 +53,18 @@
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#include "cryptlib.h"
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#include <openssl/aes.h>
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-#include <openssl/bio.h>
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-
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-static const unsigned char default_iv[] = {
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- 0xA6, 0xA6, 0xA6, 0xA6, 0xA6, 0xA6, 0xA6, 0xA6,
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-};
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+#include <openssl/modes.h>
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int AES_wrap_key(AES_KEY *key, const unsigned char *iv,
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unsigned char *out,
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const unsigned char *in, unsigned int inlen)
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{
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- unsigned char *A, B[16], *R;
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- unsigned int i, j, t;
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- if ((inlen & 0x7) || (inlen < 8))
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- return -1;
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- A = B;
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- t = 1;
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- memcpy(out + 8, in, inlen);
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- if (!iv)
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- iv = default_iv;
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-
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- memcpy(A, iv, 8);
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-
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- for (j = 0; j < 6; j++)
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- {
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- R = out + 8;
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- for (i = 0; i < inlen; i += 8, t++, R += 8)
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- {
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- memcpy(B + 8, R, 8);
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- AES_encrypt(B, B, key);
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- A[7] ^= (unsigned char)(t & 0xff);
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- if (t > 0xff)
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- {
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- A[6] ^= (unsigned char)((t >> 8) & 0xff);
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- A[5] ^= (unsigned char)((t >> 16) & 0xff);
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- A[4] ^= (unsigned char)((t >> 24) & 0xff);
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- }
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- memcpy(R, B + 8, 8);
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- }
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- }
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- memcpy(out, A, 8);
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- return inlen + 8;
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+ return CRYPTO_128_wrap(key, iv, out, in, inlen, (block128_f)AES_encrypt);
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}
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int AES_unwrap_key(AES_KEY *key, const unsigned char *iv,
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unsigned char *out,
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const unsigned char *in, unsigned int inlen)
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{
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- unsigned char *A, B[16], *R;
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- unsigned int i, j, t;
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- inlen -= 8;
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- if (inlen & 0x7)
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- return -1;
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- if (inlen < 8)
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- return -1;
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- A = B;
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- t = 6 * (inlen >> 3);
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- memcpy(A, in, 8);
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- memcpy(out, in + 8, inlen);
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- for (j = 0; j < 6; j++)
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- {
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- R = out + inlen - 8;
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- for (i = 0; i < inlen; i += 8, t--, R -= 8)
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- {
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- A[7] ^= (unsigned char)(t & 0xff);
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- if (t > 0xff)
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- {
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- A[6] ^= (unsigned char)((t >> 8) & 0xff);
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- A[5] ^= (unsigned char)((t >> 16) & 0xff);
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- A[4] ^= (unsigned char)((t >> 24) & 0xff);
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- }
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- memcpy(B + 8, R, 8);
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- AES_decrypt(B, B, key);
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- memcpy(R, B + 8, 8);
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- }
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- }
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- if (!iv)
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- iv = default_iv;
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- if (memcmp(A, iv, 8))
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- {
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- OPENSSL_cleanse(out, inlen);
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- return 0;
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- }
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- return inlen;
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- }
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-
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-#ifdef AES_WRAP_TEST
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-
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-int AES_wrap_unwrap_test(const unsigned char *kek, int keybits,
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- const unsigned char *iv,
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- const unsigned char *eout,
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- const unsigned char *key, int keylen)
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- {
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- unsigned char *otmp = NULL, *ptmp = NULL;
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- int r, ret = 0;
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- AES_KEY wctx;
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- otmp = OPENSSL_malloc(keylen + 8);
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- ptmp = OPENSSL_malloc(keylen);
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- if (!otmp || !ptmp)
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- return 0;
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- if (AES_set_encrypt_key(kek, keybits, &wctx))
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- goto err;
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- r = AES_wrap_key(&wctx, iv, otmp, key, keylen);
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- if (r <= 0)
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- goto err;
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-
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- if (eout && memcmp(eout, otmp, keylen))
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- goto err;
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-
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- if (AES_set_decrypt_key(kek, keybits, &wctx))
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- goto err;
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- r = AES_unwrap_key(&wctx, iv, ptmp, otmp, r);
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-
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- if (memcmp(key, ptmp, keylen))
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- goto err;
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-
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- ret = 1;
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-
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- err:
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- if (otmp)
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- OPENSSL_free(otmp);
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- if (ptmp)
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- OPENSSL_free(ptmp);
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-
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- return ret;
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-
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+ return CRYPTO_128_unwrap(key, iv, out, in, inlen, (block128_f)AES_decrypt);
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}
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-
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-
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-
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-int main(int argc, char **argv)
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-{
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-
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-static const unsigned char kek[] = {
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- 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
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- 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
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- 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
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- 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f
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-};
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-
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-static const unsigned char key[] = {
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- 0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77,
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- 0x88, 0x99, 0xaa, 0xbb, 0xcc, 0xdd, 0xee, 0xff,
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- 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
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- 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f
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-};
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-
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-static const unsigned char e1[] = {
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- 0x1f, 0xa6, 0x8b, 0x0a, 0x81, 0x12, 0xb4, 0x47,
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- 0xae, 0xf3, 0x4b, 0xd8, 0xfb, 0x5a, 0x7b, 0x82,
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- 0x9d, 0x3e, 0x86, 0x23, 0x71, 0xd2, 0xcf, 0xe5
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-};
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-
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-static const unsigned char e2[] = {
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- 0x96, 0x77, 0x8b, 0x25, 0xae, 0x6c, 0xa4, 0x35,
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- 0xf9, 0x2b, 0x5b, 0x97, 0xc0, 0x50, 0xae, 0xd2,
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- 0x46, 0x8a, 0xb8, 0xa1, 0x7a, 0xd8, 0x4e, 0x5d
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-};
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-
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-static const unsigned char e3[] = {
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- 0x64, 0xe8, 0xc3, 0xf9, 0xce, 0x0f, 0x5b, 0xa2,
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- 0x63, 0xe9, 0x77, 0x79, 0x05, 0x81, 0x8a, 0x2a,
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- 0x93, 0xc8, 0x19, 0x1e, 0x7d, 0x6e, 0x8a, 0xe7
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-};
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-
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-static const unsigned char e4[] = {
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- 0x03, 0x1d, 0x33, 0x26, 0x4e, 0x15, 0xd3, 0x32,
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- 0x68, 0xf2, 0x4e, 0xc2, 0x60, 0x74, 0x3e, 0xdc,
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- 0xe1, 0xc6, 0xc7, 0xdd, 0xee, 0x72, 0x5a, 0x93,
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- 0x6b, 0xa8, 0x14, 0x91, 0x5c, 0x67, 0x62, 0xd2
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-};
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-
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-static const unsigned char e5[] = {
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- 0xa8, 0xf9, 0xbc, 0x16, 0x12, 0xc6, 0x8b, 0x3f,
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- 0xf6, 0xe6, 0xf4, 0xfb, 0xe3, 0x0e, 0x71, 0xe4,
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- 0x76, 0x9c, 0x8b, 0x80, 0xa3, 0x2c, 0xb8, 0x95,
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- 0x8c, 0xd5, 0xd1, 0x7d, 0x6b, 0x25, 0x4d, 0xa1
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-};
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-
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-static const unsigned char e6[] = {
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- 0x28, 0xc9, 0xf4, 0x04, 0xc4, 0xb8, 0x10, 0xf4,
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- 0xcb, 0xcc, 0xb3, 0x5c, 0xfb, 0x87, 0xf8, 0x26,
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- 0x3f, 0x57, 0x86, 0xe2, 0xd8, 0x0e, 0xd3, 0x26,
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- 0xcb, 0xc7, 0xf0, 0xe7, 0x1a, 0x99, 0xf4, 0x3b,
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- 0xfb, 0x98, 0x8b, 0x9b, 0x7a, 0x02, 0xdd, 0x21
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-};
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-
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- AES_KEY wctx, xctx;
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- int ret;
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- ret = AES_wrap_unwrap_test(kek, 128, NULL, e1, key, 16);
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- fprintf(stderr, "Key test result %d\n", ret);
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- ret = AES_wrap_unwrap_test(kek, 192, NULL, e2, key, 16);
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- fprintf(stderr, "Key test result %d\n", ret);
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- ret = AES_wrap_unwrap_test(kek, 256, NULL, e3, key, 16);
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- fprintf(stderr, "Key test result %d\n", ret);
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- ret = AES_wrap_unwrap_test(kek, 192, NULL, e4, key, 24);
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- fprintf(stderr, "Key test result %d\n", ret);
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- ret = AES_wrap_unwrap_test(kek, 256, NULL, e5, key, 24);
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- fprintf(stderr, "Key test result %d\n", ret);
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- ret = AES_wrap_unwrap_test(kek, 256, NULL, e6, key, 32);
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- fprintf(stderr, "Key test result %d\n", ret);
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-}
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-
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-
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-#endif
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diff -up openssl-1.0.1j/crypto/evp/c_allc.c.wrap openssl-1.0.1j/crypto/evp/c_allc.c
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--- openssl-1.0.1j/crypto/evp/c_allc.c.wrap 2014-10-16 13:30:10.583652760 +0200
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+++ openssl-1.0.1j/crypto/evp/c_allc.c 2014-10-16 13:30:10.679654927 +0200
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@@ -98,6 +98,7 @@ void OpenSSL_add_all_ciphers(void)
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EVP_add_cipher(EVP_des_ecb());
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EVP_add_cipher(EVP_des_ede());
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EVP_add_cipher(EVP_des_ede3());
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+ EVP_add_cipher(EVP_des_ede3_wrap());
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#endif
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#ifndef OPENSSL_NO_RC4
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@@ -177,6 +178,8 @@ void OpenSSL_add_all_ciphers(void)
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EVP_add_cipher(EVP_aes_128_ctr());
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EVP_add_cipher(EVP_aes_128_gcm());
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EVP_add_cipher(EVP_aes_128_xts());
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+ EVP_add_cipher(EVP_aes_128_wrap());
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+ EVP_add_cipher(EVP_aes_128_wrap_pad());
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EVP_add_cipher_alias(SN_aes_128_cbc,"AES128");
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EVP_add_cipher_alias(SN_aes_128_cbc,"aes128");
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EVP_add_cipher(EVP_aes_192_ecb());
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@@ -187,6 +190,8 @@ void OpenSSL_add_all_ciphers(void)
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EVP_add_cipher(EVP_aes_192_ofb());
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EVP_add_cipher(EVP_aes_192_ctr());
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EVP_add_cipher(EVP_aes_192_gcm());
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+ EVP_add_cipher(EVP_aes_192_wrap());
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+ EVP_add_cipher(EVP_aes_192_wrap_pad());
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EVP_add_cipher_alias(SN_aes_192_cbc,"AES192");
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EVP_add_cipher_alias(SN_aes_192_cbc,"aes192");
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EVP_add_cipher(EVP_aes_256_ecb());
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@@ -198,6 +203,8 @@ void OpenSSL_add_all_ciphers(void)
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EVP_add_cipher(EVP_aes_256_ctr());
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EVP_add_cipher(EVP_aes_256_gcm());
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EVP_add_cipher(EVP_aes_256_xts());
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+ EVP_add_cipher(EVP_aes_256_wrap());
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+ EVP_add_cipher(EVP_aes_256_wrap_pad());
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EVP_add_cipher_alias(SN_aes_256_cbc,"AES256");
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EVP_add_cipher_alias(SN_aes_256_cbc,"aes256");
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#if !defined(OPENSSL_NO_SHA) && !defined(OPENSSL_NO_SHA1)
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@@ -250,6 +257,7 @@ void OpenSSL_add_all_ciphers(void)
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EVP_add_cipher(EVP_des_ede());
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EVP_add_cipher(EVP_des_ede3());
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+ EVP_add_cipher(EVP_des_ede3_wrap());
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#endif
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#ifndef OPENSSL_NO_AES
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@@ -262,6 +270,8 @@ void OpenSSL_add_all_ciphers(void)
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EVP_add_cipher(EVP_aes_128_ctr());
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EVP_add_cipher(EVP_aes_128_gcm());
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EVP_add_cipher(EVP_aes_128_xts());
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+ EVP_add_cipher(EVP_aes_128_wrap());
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+ EVP_add_cipher(EVP_aes_128_wrap_pad());
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EVP_add_cipher_alias(SN_aes_128_cbc,"AES128");
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EVP_add_cipher_alias(SN_aes_128_cbc,"aes128");
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EVP_add_cipher(EVP_aes_192_ecb());
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@@ -272,6 +282,8 @@ void OpenSSL_add_all_ciphers(void)
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EVP_add_cipher(EVP_aes_192_ofb());
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EVP_add_cipher(EVP_aes_192_ctr());
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EVP_add_cipher(EVP_aes_192_gcm());
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+ EVP_add_cipher(EVP_aes_192_wrap());
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+ EVP_add_cipher(EVP_aes_192_wrap_pad());
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EVP_add_cipher_alias(SN_aes_192_cbc,"AES192");
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EVP_add_cipher_alias(SN_aes_192_cbc,"aes192");
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EVP_add_cipher(EVP_aes_256_ecb());
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@@ -283,6 +295,8 @@ void OpenSSL_add_all_ciphers(void)
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EVP_add_cipher(EVP_aes_256_ctr());
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EVP_add_cipher(EVP_aes_256_gcm());
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EVP_add_cipher(EVP_aes_256_xts());
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+ EVP_add_cipher(EVP_aes_256_wrap());
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+ EVP_add_cipher(EVP_aes_256_wrap_pad());
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EVP_add_cipher_alias(SN_aes_256_cbc,"AES256");
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EVP_add_cipher_alias(SN_aes_256_cbc,"aes256");
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#endif
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diff -up openssl-1.0.1j/crypto/evp/e_aes.c.wrap openssl-1.0.1j/crypto/evp/e_aes.c
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--- openssl-1.0.1j/crypto/evp/e_aes.c.wrap 2014-10-16 13:30:10.584652782 +0200
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+++ openssl-1.0.1j/crypto/evp/e_aes.c 2014-10-16 13:30:10.679654927 +0200
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@@ -1,5 +1,5 @@
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/* ====================================================================
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- * Copyright (c) 2001-2011 The OpenSSL Project. All rights reserved.
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+ * Copyright (c) 2001-2014 The OpenSSL Project. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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@@ -1384,4 +1384,180 @@ BLOCK_CIPHER_custom(NID_aes,128,1,12,ccm
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BLOCK_CIPHER_custom(NID_aes,192,1,12,ccm,CCM,EVP_CIPH_FLAG_FIPS|CUSTOM_FLAGS)
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BLOCK_CIPHER_custom(NID_aes,256,1,12,ccm,CCM,EVP_CIPH_FLAG_FIPS|CUSTOM_FLAGS)
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+typedef struct
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+ {
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+ union { double align; AES_KEY ks; } ks;
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+ /* Indicates if IV has been set */
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+ unsigned char *iv;
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+ } EVP_AES_WRAP_CTX;
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+
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+static int aes_wrap_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
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+ const unsigned char *iv, int enc)
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+ {
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+ EVP_AES_WRAP_CTX *wctx = ctx->cipher_data;
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+ if (!iv && !key)
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+ return 1;
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+ if (key)
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+ {
|
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+ if (ctx->encrypt)
|
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+ AES_set_encrypt_key(key, ctx->key_len * 8, &wctx->ks.ks);
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+ else
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+ AES_set_decrypt_key(key, ctx->key_len * 8, &wctx->ks.ks);
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+ if (!iv)
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+ wctx->iv = NULL;
|
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+ }
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+ if (iv)
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+ {
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+ memcpy(ctx->iv, iv, EVP_CIPHER_CTX_iv_length(ctx));
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+ wctx->iv = ctx->iv;
|
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+ }
|
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+ return 1;
|
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+ }
|
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+
|
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+static int aes_wrap_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
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+ const unsigned char *in, size_t inlen)
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+ {
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+ EVP_AES_WRAP_CTX *wctx = ctx->cipher_data;
|
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+ size_t rv;
|
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+ /* AES wrap with padding has IV length of 4, without padding 8 */
|
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+ int pad = EVP_CIPHER_CTX_iv_length(ctx) == 4;
|
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+ /* No final operation so always return zero length */
|
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+ if (!in)
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+ return 0;
|
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+ /* Input length must always be non-zero */
|
|
+ if (!inlen)
|
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+ return -1;
|
|
+ /* If decrypting need at least 16 bytes and multiple of 8 */
|
|
+ if (!ctx->encrypt && (inlen < 16 || inlen & 0x7))
|
|
+ return -1;
|
|
+ /* If not padding input must be multiple of 8 */
|
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+ if (!pad && inlen & 0x7)
|
|
+ return -1;
|
|
+ if (!out)
|
|
+ {
|
|
+ if (ctx->encrypt)
|
|
+ {
|
|
+ /* If padding round up to multiple of 8 */
|
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+ if (pad)
|
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+ inlen = (inlen + 7)/8 * 8;
|
|
+ /* 8 byte prefix */
|
|
+ return inlen + 8;
|
|
+ }
|
|
+ else
|
|
+ {
|
|
+ /* If not padding output will be exactly 8 bytes
|
|
+ * smaller than input. If padding it will be at
|
|
+ * least 8 bytes smaller but we don't know how
|
|
+ * much.
|
|
+ */
|
|
+ return inlen - 8;
|
|
+ }
|
|
+ }
|
|
+ if (pad)
|
|
+ {
|
|
+ if (ctx->encrypt)
|
|
+ rv = CRYPTO_128_wrap_pad(&wctx->ks.ks, wctx->iv,
|
|
+ out, in, inlen,
|
|
+ (block128_f)AES_encrypt);
|
|
+ else
|
|
+ rv = CRYPTO_128_unwrap_pad(&wctx->ks.ks, wctx->iv,
|
|
+ out, in, inlen,
|
|
+ (block128_f)AES_decrypt);
|
|
+ }
|
|
+ else
|
|
+ {
|
|
+ if (ctx->encrypt)
|
|
+ rv = CRYPTO_128_wrap(&wctx->ks.ks, wctx->iv,
|
|
+ out, in, inlen,
|
|
+ (block128_f)AES_encrypt);
|
|
+ else
|
|
+ rv = CRYPTO_128_unwrap(&wctx->ks.ks, wctx->iv,
|
|
+ out, in, inlen,
|
|
+ (block128_f)AES_decrypt);
|
|
+ }
|
|
+ return rv ? (int)rv : -1;
|
|
+ }
|
|
+
|
|
+#define WRAP_FLAGS (EVP_CIPH_WRAP_MODE | EVP_CIPH_FLAG_FIPS \
|
|
+ | EVP_CIPH_CUSTOM_IV | EVP_CIPH_FLAG_CUSTOM_CIPHER \
|
|
+ | EVP_CIPH_ALWAYS_CALL_INIT | EVP_CIPH_FLAG_DEFAULT_ASN1)
|
|
+
|
|
+static const EVP_CIPHER aes_128_wrap = {
|
|
+ NID_id_aes128_wrap,
|
|
+ 8, 16, 8, WRAP_FLAGS,
|
|
+ aes_wrap_init_key, aes_wrap_cipher,
|
|
+ NULL,
|
|
+ sizeof(EVP_AES_WRAP_CTX),
|
|
+ NULL,NULL,NULL,NULL };
|
|
+
|
|
+const EVP_CIPHER *EVP_aes_128_wrap(void)
|
|
+ {
|
|
+ return &aes_128_wrap;
|
|
+ }
|
|
+
|
|
+static const EVP_CIPHER aes_192_wrap = {
|
|
+ NID_id_aes192_wrap,
|
|
+ 8, 24, 8, WRAP_FLAGS,
|
|
+ aes_wrap_init_key, aes_wrap_cipher,
|
|
+ NULL,
|
|
+ sizeof(EVP_AES_WRAP_CTX),
|
|
+ NULL,NULL,NULL,NULL };
|
|
+
|
|
+const EVP_CIPHER *EVP_aes_192_wrap(void)
|
|
+ {
|
|
+ return &aes_192_wrap;
|
|
+ }
|
|
+
|
|
+static const EVP_CIPHER aes_256_wrap = {
|
|
+ NID_id_aes256_wrap,
|
|
+ 8, 32, 8, WRAP_FLAGS,
|
|
+ aes_wrap_init_key, aes_wrap_cipher,
|
|
+ NULL,
|
|
+ sizeof(EVP_AES_WRAP_CTX),
|
|
+ NULL,NULL,NULL,NULL };
|
|
+
|
|
+const EVP_CIPHER *EVP_aes_256_wrap(void)
|
|
+ {
|
|
+ return &aes_256_wrap;
|
|
+ }
|
|
+
|
|
+static const EVP_CIPHER aes_128_wrap_pad = {
|
|
+ NID_id_aes128_wrap_pad,
|
|
+ 8, 16, 4, WRAP_FLAGS,
|
|
+ aes_wrap_init_key, aes_wrap_cipher,
|
|
+ NULL,
|
|
+ sizeof(EVP_AES_WRAP_CTX),
|
|
+ NULL,NULL,NULL,NULL };
|
|
+
|
|
+const EVP_CIPHER *EVP_aes_128_wrap_pad(void)
|
|
+ {
|
|
+ return &aes_128_wrap_pad;
|
|
+ }
|
|
+
|
|
+static const EVP_CIPHER aes_192_wrap_pad = {
|
|
+ NID_id_aes192_wrap_pad,
|
|
+ 8, 24, 4, WRAP_FLAGS,
|
|
+ aes_wrap_init_key, aes_wrap_cipher,
|
|
+ NULL,
|
|
+ sizeof(EVP_AES_WRAP_CTX),
|
|
+ NULL,NULL,NULL,NULL };
|
|
+
|
|
+const EVP_CIPHER *EVP_aes_192_wrap_pad(void)
|
|
+ {
|
|
+ return &aes_192_wrap_pad;
|
|
+ }
|
|
+
|
|
+static const EVP_CIPHER aes_256_wrap_pad = {
|
|
+ NID_id_aes256_wrap_pad,
|
|
+ 8, 32, 4, WRAP_FLAGS,
|
|
+ aes_wrap_init_key, aes_wrap_cipher,
|
|
+ NULL,
|
|
+ sizeof(EVP_AES_WRAP_CTX),
|
|
+ NULL,NULL,NULL,NULL };
|
|
+
|
|
+const EVP_CIPHER *EVP_aes_256_wrap_pad(void)
|
|
+ {
|
|
+ return &aes_256_wrap_pad;
|
|
+ }
|
|
+
|
|
#endif
|
|
diff -up openssl-1.0.1j/crypto/evp/e_des3.c.wrap openssl-1.0.1j/crypto/evp/e_des3.c
|
|
--- openssl-1.0.1j/crypto/evp/e_des3.c.wrap 2014-10-16 13:30:10.584652782 +0200
|
|
+++ openssl-1.0.1j/crypto/evp/e_des3.c 2014-10-16 13:30:10.679654927 +0200
|
|
@@ -310,4 +310,112 @@ const EVP_CIPHER *EVP_des_ede3(void)
|
|
{
|
|
return &des_ede3_ecb;
|
|
}
|
|
+
|
|
+#ifndef OPENSSL_NO_SHA
|
|
+
|
|
+#include <openssl/sha.h>
|
|
+
|
|
+static const unsigned char wrap_iv[8] = {0x4a,0xdd,0xa2,0x2c,0x79,0xe8,0x21,0x05};
|
|
+
|
|
+static int des_ede3_unwrap(EVP_CIPHER_CTX *ctx, unsigned char *out,
|
|
+ const unsigned char *in, size_t inl)
|
|
+ {
|
|
+ unsigned char icv[8], iv[8], sha1tmp[SHA_DIGEST_LENGTH];
|
|
+ int rv = -1;
|
|
+ if (inl < 24)
|
|
+ return -1;
|
|
+ if (!out)
|
|
+ return inl - 16;
|
|
+ memcpy(ctx->iv, wrap_iv, 8);
|
|
+ /* Decrypt first block which will end up as icv */
|
|
+ des_ede_cbc_cipher(ctx, icv, in, 8);
|
|
+ /* Decrypt central blocks */
|
|
+ /* If decrypting in place move whole output along a block
|
|
+ * so the next des_ede_cbc_cipher is in place.
|
|
+ */
|
|
+ if (out == in)
|
|
+ {
|
|
+ memmove(out, out + 8, inl - 8);
|
|
+ in -= 8;
|
|
+ }
|
|
+ des_ede_cbc_cipher(ctx, out, in + 8, inl - 16);
|
|
+ /* Decrypt final block which will be IV */
|
|
+ des_ede_cbc_cipher(ctx, iv, in + inl - 8, 8);
|
|
+ /* Reverse order of everything */
|
|
+ BUF_reverse(icv, NULL, 8);
|
|
+ BUF_reverse(out, NULL, inl - 16);
|
|
+ BUF_reverse(ctx->iv, iv, 8);
|
|
+ /* Decrypt again using new IV */
|
|
+ des_ede_cbc_cipher(ctx, out, out, inl - 16);
|
|
+ des_ede_cbc_cipher(ctx, icv, icv, 8);
|
|
+ /* Work out SHA1 hash of first portion */
|
|
+ SHA1(out, inl - 16, sha1tmp);
|
|
+
|
|
+ if (!CRYPTO_memcmp(sha1tmp, icv, 8))
|
|
+ rv = inl - 16;
|
|
+ OPENSSL_cleanse(icv, 8);
|
|
+ OPENSSL_cleanse(sha1tmp, SHA_DIGEST_LENGTH);
|
|
+ OPENSSL_cleanse(iv, 8);
|
|
+ OPENSSL_cleanse(ctx->iv, 8);
|
|
+ if (rv == -1)
|
|
+ OPENSSL_cleanse(out, inl - 16);
|
|
+
|
|
+ return rv;
|
|
+ }
|
|
+
|
|
+static int des_ede3_wrap(EVP_CIPHER_CTX *ctx, unsigned char *out,
|
|
+ const unsigned char *in, size_t inl)
|
|
+ {
|
|
+ unsigned char sha1tmp[SHA_DIGEST_LENGTH];
|
|
+ if (!out)
|
|
+ return inl + 16;
|
|
+ /* Copy input to output buffer + 8 so we have space for IV */
|
|
+ memmove(out + 8, in, inl);
|
|
+ /* Work out ICV */
|
|
+ SHA1(in, inl, sha1tmp);
|
|
+ memcpy(out + inl + 8, sha1tmp, 8);
|
|
+ OPENSSL_cleanse(sha1tmp, SHA_DIGEST_LENGTH);
|
|
+ /* Generate random IV */
|
|
+ RAND_bytes(ctx->iv, 8);
|
|
+ memcpy(out, ctx->iv, 8);
|
|
+ /* Encrypt everything after IV in place */
|
|
+ des_ede_cbc_cipher(ctx, out + 8, out + 8, inl + 8);
|
|
+ BUF_reverse(out, NULL, inl + 16);
|
|
+ memcpy(ctx->iv, wrap_iv, 8);
|
|
+ des_ede_cbc_cipher(ctx, out, out, inl + 16);
|
|
+ return inl + 16;
|
|
+ }
|
|
+
|
|
+static int des_ede3_wrap_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
|
|
+ const unsigned char *in, size_t inl)
|
|
+ {
|
|
+ /* Sanity check input length: we typically only wrap keys
|
|
+ * so EVP_MAXCHUNK is more than will ever be needed. Also
|
|
+ * input length must be a multiple of 8 bits.
|
|
+ */
|
|
+ if (inl >= EVP_MAXCHUNK || inl % 8)
|
|
+ return -1;
|
|
+ if (ctx->encrypt)
|
|
+ return des_ede3_wrap(ctx, out, in, inl);
|
|
+ else
|
|
+ return des_ede3_unwrap(ctx, out, in, inl);
|
|
+ }
|
|
+
|
|
+static const EVP_CIPHER des3_wrap = {
|
|
+ NID_id_smime_alg_CMS3DESwrap,
|
|
+ 8, 24, 0,
|
|
+ EVP_CIPH_WRAP_MODE|EVP_CIPH_CUSTOM_IV|EVP_CIPH_FLAG_CUSTOM_CIPHER
|
|
+ |EVP_CIPH_FLAG_DEFAULT_ASN1|EVP_CIPH_FLAG_FIPS,
|
|
+ des_ede3_init_key, des_ede3_wrap_cipher,
|
|
+ NULL,
|
|
+ sizeof(DES_EDE_KEY),
|
|
+ NULL,NULL,NULL,NULL };
|
|
+
|
|
+
|
|
+const EVP_CIPHER *EVP_des_ede3_wrap(void)
|
|
+ {
|
|
+ return &des3_wrap;
|
|
+ }
|
|
+
|
|
+# endif
|
|
#endif
|
|
diff -up openssl-1.0.1j/crypto/evp/evp_enc.c.wrap openssl-1.0.1j/crypto/evp/evp_enc.c
|
|
--- openssl-1.0.1j/crypto/evp/evp_enc.c.wrap 2014-10-16 13:30:10.584652782 +0200
|
|
+++ openssl-1.0.1j/crypto/evp/evp_enc.c 2014-10-16 13:30:10.680654949 +0200
|
|
@@ -234,7 +234,8 @@ int EVP_CipherInit_ex(EVP_CIPHER_CTX *ct
|
|
ctx->cipher_data = NULL;
|
|
}
|
|
ctx->key_len = cipher->key_len;
|
|
- ctx->flags = 0;
|
|
+ /* Preserve wrap enable flag, zero everything else */
|
|
+ ctx->flags &= EVP_CIPHER_CTX_FLAG_WRAP_ALLOW;
|
|
if(ctx->cipher->flags & EVP_CIPH_CTRL_INIT)
|
|
{
|
|
if(!EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_INIT, 0, NULL))
|
|
@@ -257,6 +258,13 @@ skip_to_init:
|
|
|| ctx->cipher->block_size == 8
|
|
|| ctx->cipher->block_size == 16);
|
|
|
|
+ if(!(ctx->flags & EVP_CIPHER_CTX_FLAG_WRAP_ALLOW)
|
|
+ && EVP_CIPHER_CTX_mode(ctx) == EVP_CIPH_WRAP_MODE)
|
|
+ {
|
|
+ EVPerr(EVP_F_EVP_CIPHERINIT_EX, EVP_R_WRAP_MODE_NOT_ALLOWED);
|
|
+ return 0;
|
|
+ }
|
|
+
|
|
if(!(EVP_CIPHER_CTX_flags(ctx) & EVP_CIPH_CUSTOM_IV)) {
|
|
switch(EVP_CIPHER_CTX_mode(ctx)) {
|
|
|
|
diff -up openssl-1.0.1j/crypto/evp/evp_err.c.wrap openssl-1.0.1j/crypto/evp/evp_err.c
|
|
--- openssl-1.0.1j/crypto/evp/evp_err.c.wrap 2014-10-15 14:53:39.000000000 +0200
|
|
+++ openssl-1.0.1j/crypto/evp/evp_err.c 2014-10-16 13:30:10.680654949 +0200
|
|
@@ -1,6 +1,6 @@
|
|
/* crypto/evp/evp_err.c */
|
|
/* ====================================================================
|
|
- * Copyright (c) 1999-2011 The OpenSSL Project. All rights reserved.
|
|
+ * Copyright (c) 1999-2013 The OpenSSL Project. All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
@@ -220,6 +220,7 @@ static ERR_STRING_DATA EVP_str_reasons[]
|
|
{ERR_REASON(EVP_R_UNSUPPORTED_PRF) ,"unsupported prf"},
|
|
{ERR_REASON(EVP_R_UNSUPPORTED_PRIVATE_KEY_ALGORITHM),"unsupported private key algorithm"},
|
|
{ERR_REASON(EVP_R_UNSUPPORTED_SALT_TYPE) ,"unsupported salt type"},
|
|
+{ERR_REASON(EVP_R_WRAP_MODE_NOT_ALLOWED) ,"wrap mode not allowed"},
|
|
{ERR_REASON(EVP_R_WRONG_FINAL_BLOCK_LENGTH),"wrong final block length"},
|
|
{ERR_REASON(EVP_R_WRONG_PUBLIC_KEY_TYPE) ,"wrong public key type"},
|
|
{0,NULL}
|
|
diff -up openssl-1.0.1j/crypto/evp/evp.h.wrap openssl-1.0.1j/crypto/evp/evp.h
|
|
--- openssl-1.0.1j/crypto/evp/evp.h.wrap 2014-10-16 13:30:10.585652805 +0200
|
|
+++ openssl-1.0.1j/crypto/evp/evp.h 2014-10-16 13:30:10.680654949 +0200
|
|
@@ -336,6 +336,7 @@ struct evp_cipher_st
|
|
#define EVP_CIPH_GCM_MODE 0x6
|
|
#define EVP_CIPH_CCM_MODE 0x7
|
|
#define EVP_CIPH_XTS_MODE 0x10001
|
|
+#define EVP_CIPH_WRAP_MODE 0x10002
|
|
#define EVP_CIPH_MODE 0xF0007
|
|
/* Set if variable length cipher */
|
|
#define EVP_CIPH_VARIABLE_LENGTH 0x8
|
|
@@ -367,6 +368,13 @@ struct evp_cipher_st
|
|
#define EVP_CIPH_FLAG_CUSTOM_CIPHER 0x100000
|
|
#define EVP_CIPH_FLAG_AEAD_CIPHER 0x200000
|
|
|
|
+/* Cipher context flag to indicate we can handle
|
|
+ * wrap mode: if allowed in older applications it could
|
|
+ * overflow buffers.
|
|
+ */
|
|
+
|
|
+#define EVP_CIPHER_CTX_FLAG_WRAP_ALLOW 0x1
|
|
+
|
|
/* ctrl() values */
|
|
|
|
#define EVP_CTRL_INIT 0x0
|
|
@@ -729,6 +737,7 @@ const EVP_CIPHER *EVP_des_cbc(void);
|
|
const EVP_CIPHER *EVP_des_ede_cbc(void);
|
|
const EVP_CIPHER *EVP_des_ede3_cbc(void);
|
|
const EVP_CIPHER *EVP_desx_cbc(void);
|
|
+const EVP_CIPHER *EVP_des_ede3_wrap(void);
|
|
/* This should now be supported through the dev_crypto ENGINE. But also, why are
|
|
* rc4 and md5 declarations made here inside a "NO_DES" precompiler branch? */
|
|
#if 0
|
|
@@ -788,6 +797,8 @@ const EVP_CIPHER *EVP_aes_128_ctr(void);
|
|
const EVP_CIPHER *EVP_aes_128_ccm(void);
|
|
const EVP_CIPHER *EVP_aes_128_gcm(void);
|
|
const EVP_CIPHER *EVP_aes_128_xts(void);
|
|
+const EVP_CIPHER *EVP_aes_128_wrap(void);
|
|
+const EVP_CIPHER *EVP_aes_128_wrap_pad(void);
|
|
const EVP_CIPHER *EVP_aes_192_ecb(void);
|
|
const EVP_CIPHER *EVP_aes_192_cbc(void);
|
|
const EVP_CIPHER *EVP_aes_192_cfb1(void);
|
|
@@ -798,6 +809,8 @@ const EVP_CIPHER *EVP_aes_192_ofb(void);
|
|
const EVP_CIPHER *EVP_aes_192_ctr(void);
|
|
const EVP_CIPHER *EVP_aes_192_ccm(void);
|
|
const EVP_CIPHER *EVP_aes_192_gcm(void);
|
|
+const EVP_CIPHER *EVP_aes_192_wrap(void);
|
|
+const EVP_CIPHER *EVP_aes_192_wrap_pad(void);
|
|
const EVP_CIPHER *EVP_aes_256_ecb(void);
|
|
const EVP_CIPHER *EVP_aes_256_cbc(void);
|
|
const EVP_CIPHER *EVP_aes_256_cfb1(void);
|
|
@@ -809,6 +822,8 @@ const EVP_CIPHER *EVP_aes_256_ctr(void);
|
|
const EVP_CIPHER *EVP_aes_256_ccm(void);
|
|
const EVP_CIPHER *EVP_aes_256_gcm(void);
|
|
const EVP_CIPHER *EVP_aes_256_xts(void);
|
|
+const EVP_CIPHER *EVP_aes_256_wrap(void);
|
|
+const EVP_CIPHER *EVP_aes_256_wrap_pad(void);
|
|
#if !defined(OPENSSL_NO_SHA) && !defined(OPENSSL_NO_SHA1)
|
|
const EVP_CIPHER *EVP_aes_128_cbc_hmac_sha1(void);
|
|
const EVP_CIPHER *EVP_aes_256_cbc_hmac_sha1(void);
|
|
@@ -1397,6 +1412,7 @@ void ERR_load_EVP_strings(void);
|
|
#define EVP_R_UNSUPPORTED_PRF 125
|
|
#define EVP_R_UNSUPPORTED_PRIVATE_KEY_ALGORITHM 118
|
|
#define EVP_R_UNSUPPORTED_SALT_TYPE 126
|
|
+#define EVP_R_WRAP_MODE_NOT_ALLOWED 170
|
|
#define EVP_R_WRONG_FINAL_BLOCK_LENGTH 109
|
|
#define EVP_R_WRONG_PUBLIC_KEY_TYPE 110
|
|
|
|
diff -up openssl-1.0.1j/crypto/evp/evp_lib.c.wrap openssl-1.0.1j/crypto/evp/evp_lib.c
|
|
--- openssl-1.0.1j/crypto/evp/evp_lib.c.wrap 2014-10-16 13:30:10.585652805 +0200
|
|
+++ openssl-1.0.1j/crypto/evp/evp_lib.c 2014-10-16 13:30:10.680654949 +0200
|
|
@@ -68,7 +68,15 @@ int EVP_CIPHER_param_to_asn1(EVP_CIPHER_
|
|
if (c->cipher->set_asn1_parameters != NULL)
|
|
ret=c->cipher->set_asn1_parameters(c,type);
|
|
else if (c->cipher->flags & EVP_CIPH_FLAG_DEFAULT_ASN1)
|
|
- ret=EVP_CIPHER_set_asn1_iv(c, type);
|
|
+ {
|
|
+ if (EVP_CIPHER_CTX_mode(c) == EVP_CIPH_WRAP_MODE)
|
|
+ {
|
|
+ ASN1_TYPE_set(type, V_ASN1_NULL, NULL);
|
|
+ ret = 1;
|
|
+ }
|
|
+ else
|
|
+ ret=EVP_CIPHER_set_asn1_iv(c, type);
|
|
+ }
|
|
else
|
|
ret=-1;
|
|
return(ret);
|
|
@@ -81,7 +89,11 @@ int EVP_CIPHER_asn1_to_param(EVP_CIPHER_
|
|
if (c->cipher->get_asn1_parameters != NULL)
|
|
ret=c->cipher->get_asn1_parameters(c,type);
|
|
else if (c->cipher->flags & EVP_CIPH_FLAG_DEFAULT_ASN1)
|
|
+ {
|
|
+ if (EVP_CIPHER_CTX_mode(c) == EVP_CIPH_WRAP_MODE)
|
|
+ return 1;
|
|
ret=EVP_CIPHER_get_asn1_iv(c, type);
|
|
+ }
|
|
else
|
|
ret=-1;
|
|
return(ret);
|
|
diff -up openssl-1.0.1j/crypto/evp/evp_test.c.wrap openssl-1.0.1j/crypto/evp/evp_test.c
|
|
--- openssl-1.0.1j/crypto/evp/evp_test.c.wrap 2014-10-15 14:51:06.000000000 +0200
|
|
+++ openssl-1.0.1j/crypto/evp/evp_test.c 2014-10-16 13:30:10.680654949 +0200
|
|
@@ -141,7 +141,7 @@ static void test1(const EVP_CIPHER *c,co
|
|
{
|
|
EVP_CIPHER_CTX ctx;
|
|
unsigned char out[4096];
|
|
- int outl,outl2;
|
|
+ int outl,outl2,mode;
|
|
|
|
printf("Testing cipher %s%s\n",EVP_CIPHER_name(c),
|
|
(encdec == 1 ? "(encrypt)" : (encdec == 0 ? "(decrypt)" : "(encrypt/decrypt)")));
|
|
@@ -151,6 +151,7 @@ static void test1(const EVP_CIPHER *c,co
|
|
hexdump(stdout,"Plaintext",plaintext,pn);
|
|
hexdump(stdout,"Ciphertext",ciphertext,cn);
|
|
|
|
+ mode = EVP_CIPHER_mode(c);
|
|
if(kn != c->key_len)
|
|
{
|
|
fprintf(stderr,"Key length doesn't match, got %d expected %lu\n",kn,
|
|
@@ -158,9 +159,19 @@ static void test1(const EVP_CIPHER *c,co
|
|
test1_exit(5);
|
|
}
|
|
EVP_CIPHER_CTX_init(&ctx);
|
|
+ EVP_CIPHER_CTX_set_flags(&ctx,EVP_CIPHER_CTX_FLAG_WRAP_ALLOW);
|
|
if (encdec != 0)
|
|
{
|
|
- if(!EVP_EncryptInit_ex(&ctx,c,NULL,key,iv))
|
|
+ if (mode == EVP_CIPH_WRAP_MODE)
|
|
+ {
|
|
+ if(!EVP_EncryptInit_ex(&ctx,c,NULL,key,in ? iv : NULL))
|
|
+ {
|
|
+ fprintf(stderr,"EncryptInit failed\n");
|
|
+ ERR_print_errors_fp(stderr);
|
|
+ test1_exit(10);
|
|
+ }
|
|
+ }
|
|
+ else if(!EVP_EncryptInit_ex(&ctx,c,NULL,key,iv))
|
|
{
|
|
fprintf(stderr,"EncryptInit failed\n");
|
|
ERR_print_errors_fp(stderr);
|
|
@@ -199,7 +210,16 @@ static void test1(const EVP_CIPHER *c,co
|
|
|
|
if (encdec <= 0)
|
|
{
|
|
- if(!EVP_DecryptInit_ex(&ctx,c,NULL,key,iv))
|
|
+ if (mode == EVP_CIPH_WRAP_MODE)
|
|
+ {
|
|
+ if(!EVP_DecryptInit_ex(&ctx,c,NULL,key,in ? iv : NULL))
|
|
+ {
|
|
+ fprintf(stderr,"EncryptInit failed\n");
|
|
+ ERR_print_errors_fp(stderr);
|
|
+ test1_exit(10);
|
|
+ }
|
|
+ }
|
|
+ else if(!EVP_DecryptInit_ex(&ctx,c,NULL,key,iv))
|
|
{
|
|
fprintf(stderr,"DecryptInit failed\n");
|
|
ERR_print_errors_fp(stderr);
|
|
@@ -339,7 +359,7 @@ int main(int argc,char **argv)
|
|
perror(szTestFile);
|
|
EXIT(2);
|
|
}
|
|
-
|
|
+ ERR_load_crypto_strings();
|
|
/* Load up the software EVP_CIPHER and EVP_MD definitions */
|
|
OpenSSL_add_all_ciphers();
|
|
OpenSSL_add_all_digests();
|
|
diff -up openssl-1.0.1j/crypto/evp/evptests.txt.wrap openssl-1.0.1j/crypto/evp/evptests.txt
|
|
--- openssl-1.0.1j/crypto/evp/evptests.txt.wrap 2014-10-15 14:53:39.000000000 +0200
|
|
+++ openssl-1.0.1j/crypto/evp/evptests.txt 2014-10-16 13:30:10.681654972 +0200
|
|
@@ -332,3 +332,15 @@ SEED-ECB:0000000000000000000000000000000
|
|
SEED-ECB:000102030405060708090A0B0C0D0E0F::00000000000000000000000000000000:C11F22F20140505084483597E4370F43:1
|
|
SEED-ECB:4706480851E61BE85D74BFB3FD956185::83A2F8A288641FB9A4E9A5CC2F131C7D:EE54D13EBCAE706D226BC3142CD40D4A:1
|
|
SEED-ECB:28DBC3BC49FFD87DCFA509B11D422BE7::B41E6BE2EBA84A148E2EED84593C5EC7:9B9B7BFCD1813CB95D0B3618F40F5122:1
|
|
+
|
|
+# AES wrap tests from RFC3394
|
|
+id-aes128-wrap:000102030405060708090A0B0C0D0E0F::00112233445566778899AABBCCDDEEFF:1FA68B0A8112B447AEF34BD8FB5A7B829D3E862371D2CFE5
|
|
+id-aes192-wrap:000102030405060708090A0B0C0D0E0F1011121314151617::00112233445566778899AABBCCDDEEFF:96778B25AE6CA435F92B5B97C050AED2468AB8A17AD84E5D
|
|
+id-aes256-wrap:000102030405060708090A0B0C0D0E0F101112131415161718191A1B1C1D1E1F::00112233445566778899AABBCCDDEEFF:64E8C3F9CE0F5BA263E9777905818A2A93C8191E7D6E8AE7
|
|
+id-aes192-wrap:000102030405060708090A0B0C0D0E0F1011121314151617::00112233445566778899AABBCCDDEEFF0001020304050607:031D33264E15D33268F24EC260743EDCE1C6C7DDEE725A936BA814915C6762D2
|
|
+id-aes256-wrap:000102030405060708090A0B0C0D0E0F101112131415161718191A1B1C1D1E1F::00112233445566778899AABBCCDDEEFF0001020304050607:A8F9BC1612C68B3FF6E6F4FBE30E71E4769C8B80A32CB8958CD5D17D6B254DA1
|
|
+id-aes256-wrap:000102030405060708090A0B0C0D0E0F101112131415161718191A1B1C1D1E1F::00112233445566778899AABBCCDDEEFF000102030405060708090A0B0C0D0E0F:28C9F404C4B810F4CBCCB35CFB87F8263F5786E2D80ED326CBC7F0E71A99F43BFB988B9B7A02DD21
|
|
+# AES wrap tests from RFC5649
|
|
+id-aes192-wrap-pad:5840df6e29b02af1ab493b705bf16ea1ae8338f4dcc176a8::c37b7e6492584340bed12207808941155068f738:138bdeaa9b8fa7fc61f97742e72248ee5ae6ae5360d1ae6a5f54f373fa543b6a
|
|
+id-aes192-wrap-pad:5840df6e29b02af1ab493b705bf16ea1ae8338f4dcc176a8::466f7250617369:afbeb0f07dfbf5419200f2ccb50bb24f
|
|
+
|
|
diff -up openssl-1.0.1j/crypto/modes/Makefile.wrap openssl-1.0.1j/crypto/modes/Makefile
|
|
--- openssl-1.0.1j/crypto/modes/Makefile.wrap 2014-10-16 13:30:10.560652240 +0200
|
|
+++ openssl-1.0.1j/crypto/modes/Makefile 2014-10-16 13:30:10.681654972 +0200
|
|
@@ -22,9 +22,9 @@ APPS=
|
|
|
|
LIB=$(TOP)/libcrypto.a
|
|
LIBSRC= cbc128.c ctr128.c cts128.c cfb128.c ofb128.c gcm128.c \
|
|
- ccm128.c xts128.c
|
|
+ ccm128.c xts128.c wrap128.c
|
|
LIBOBJ= cbc128.o ctr128.o cts128.o cfb128.o ofb128.o gcm128.o \
|
|
- ccm128.o xts128.o $(MODES_ASM_OBJ)
|
|
+ ccm128.o xts128.o wrap128.o $(MODES_ASM_OBJ)
|
|
|
|
SRC= $(LIBSRC)
|
|
|
|
diff -up openssl-1.0.1j/crypto/modes/modes.h.wrap openssl-1.0.1j/crypto/modes/modes.h
|
|
--- openssl-1.0.1j/crypto/modes/modes.h.wrap 2014-10-16 13:30:10.681654972 +0200
|
|
+++ openssl-1.0.1j/crypto/modes/modes.h 2014-10-16 13:31:01.232796186 +0200
|
|
@@ -136,6 +136,20 @@ typedef struct xts128_context XTS128_CON
|
|
|
|
int CRYPTO_xts128_encrypt(const XTS128_CONTEXT *ctx, const unsigned char iv[16],
|
|
const unsigned char *inp, unsigned char *out, size_t len, int enc);
|
|
+
|
|
+size_t CRYPTO_128_wrap(void *key, const unsigned char *iv,
|
|
+ unsigned char *out,
|
|
+ const unsigned char *in, size_t inlen, block128_f block);
|
|
+
|
|
+size_t CRYPTO_128_unwrap(void *key, const unsigned char *iv,
|
|
+ unsigned char *out,
|
|
+ const unsigned char *in, size_t inlen, block128_f block);
|
|
+size_t CRYPTO_128_wrap_pad(void *key, const unsigned char *icv,
|
|
+ unsigned char *out,
|
|
+ const unsigned char *in, size_t inlen, block128_f block);
|
|
+size_t CRYPTO_128_unwrap_pad(void *key, const unsigned char *icv,
|
|
+ unsigned char *out,
|
|
+ const unsigned char *in, size_t inlen, block128_f block);
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
diff -up openssl-1.0.1j/crypto/modes/wrap128.c.wrap openssl-1.0.1j/crypto/modes/wrap128.c
|
|
--- openssl-1.0.1j/crypto/modes/wrap128.c.wrap 2014-10-16 13:30:10.681654972 +0200
|
|
+++ openssl-1.0.1j/crypto/modes/wrap128.c 2014-10-16 13:30:10.681654972 +0200
|
|
@@ -0,0 +1,372 @@
|
|
+/* crypto/modes/wrap128.c */
|
|
+/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
|
|
+ * project.
|
|
+ * Mode with padding contributed by Petr Spacek (pspacek@redhat.com).
|
|
+ */
|
|
+/* ====================================================================
|
|
+ * Copyright (c) 2013 The OpenSSL Project. All rights reserved.
|
|
+ *
|
|
+ * Redistribution and use in source and binary forms, with or without
|
|
+ * modification, are permitted provided that the following conditions
|
|
+ * are met:
|
|
+ *
|
|
+ * 1. Redistributions of source code must retain the above copyright
|
|
+ * notice, this list of conditions and the following disclaimer.
|
|
+ *
|
|
+ * 2. Redistributions in binary form must reproduce the above copyright
|
|
+ * notice, this list of conditions and the following disclaimer in
|
|
+ * the documentation and/or other materials provided with the
|
|
+ * distribution.
|
|
+ *
|
|
+ * 3. All advertising materials mentioning features or use of this
|
|
+ * software must display the following acknowledgment:
|
|
+ * "This product includes software developed by the OpenSSL Project
|
|
+ * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
|
|
+ *
|
|
+ * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
|
|
+ * endorse or promote products derived from this software without
|
|
+ * prior written permission. For written permission, please contact
|
|
+ * licensing@OpenSSL.org.
|
|
+ *
|
|
+ * 5. Products derived from this software may not be called "OpenSSL"
|
|
+ * nor may "OpenSSL" appear in their names without prior written
|
|
+ * permission of the OpenSSL Project.
|
|
+ *
|
|
+ * 6. Redistributions of any form whatsoever must retain the following
|
|
+ * acknowledgment:
|
|
+ * "This product includes software developed by the OpenSSL Project
|
|
+ * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
|
|
+ *
|
|
+ * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
|
|
+ * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
|
|
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
|
|
+ * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
|
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
|
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
|
|
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
|
|
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
|
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
|
|
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
+ * ====================================================================
|
|
+ */
|
|
+
|
|
+/** Beware!
|
|
+ *
|
|
+ * Following wrapping modes were designed for AES but this implementation
|
|
+ * allows you to use them for any 128 bit block cipher.
|
|
+ */
|
|
+
|
|
+#include "cryptlib.h"
|
|
+#include <openssl/modes.h>
|
|
+
|
|
+/** RFC 3394 section 2.2.3.1 Default Initial Value */
|
|
+static const unsigned char default_iv[] = {
|
|
+ 0xA6, 0xA6, 0xA6, 0xA6, 0xA6, 0xA6, 0xA6, 0xA6,
|
|
+};
|
|
+
|
|
+/** RFC 5649 section 3 Alternative Initial Value 32-bit constant */
|
|
+static const unsigned char default_aiv[] = {
|
|
+ 0xA6, 0x59, 0x59, 0xA6
|
|
+};
|
|
+
|
|
+/** Input size limit: lower than maximum of standards but far larger than
|
|
+ * anything that will be used in practice.
|
|
+ */
|
|
+#define CRYPTO128_WRAP_MAX (1UL << 31)
|
|
+
|
|
+/** Wrapping according to RFC 3394 section 2.2.1.
|
|
+ *
|
|
+ * @param[in] key Key value.
|
|
+ * @param[in] iv IV value. Length = 8 bytes. NULL = use default_iv.
|
|
+ * @param[in] in Plain text as n 64-bit blocks, n >= 2.
|
|
+ * @param[in] inlen Length of in.
|
|
+ * @param[out] out Cipher text. Minimal buffer length = (inlen + 8) bytes.
|
|
+ * Input and output buffers can overlap if block function
|
|
+ * supports that.
|
|
+ * @param[in] block Block processing function.
|
|
+ * @return 0 if inlen does not consist of n 64-bit blocks, n >= 2.
|
|
+ * or if inlen > CRYPTO128_WRAP_MAX.
|
|
+ * Output length if wrapping succeeded.
|
|
+ */
|
|
+size_t CRYPTO_128_wrap(void *key, const unsigned char *iv,
|
|
+ unsigned char *out,
|
|
+ const unsigned char *in, size_t inlen, block128_f block)
|
|
+ {
|
|
+ unsigned char *A, B[16], *R;
|
|
+ size_t i, j, t;
|
|
+ if ((inlen & 0x7) || (inlen < 16) || (inlen > CRYPTO128_WRAP_MAX))
|
|
+ return 0;
|
|
+ A = B;
|
|
+ t = 1;
|
|
+ memmove(out + 8, in, inlen);
|
|
+ if (!iv)
|
|
+ iv = default_iv;
|
|
+
|
|
+ memcpy(A, iv, 8);
|
|
+
|
|
+ for (j = 0; j < 6; j++)
|
|
+ {
|
|
+ R = out + 8;
|
|
+ for (i = 0; i < inlen; i += 8, t++, R += 8)
|
|
+ {
|
|
+ memcpy(B + 8, R, 8);
|
|
+ block(B, B, key);
|
|
+ A[7] ^= (unsigned char)(t & 0xff);
|
|
+ if (t > 0xff)
|
|
+ {
|
|
+ A[6] ^= (unsigned char)((t >> 8) & 0xff);
|
|
+ A[5] ^= (unsigned char)((t >> 16) & 0xff);
|
|
+ A[4] ^= (unsigned char)((t >> 24) & 0xff);
|
|
+ }
|
|
+ memcpy(R, B + 8, 8);
|
|
+ }
|
|
+ }
|
|
+ memcpy(out, A, 8);
|
|
+ return inlen + 8;
|
|
+ }
|
|
+
|
|
+
|
|
+/** Unwrapping according to RFC 3394 section 2.2.2 steps 1-2.
|
|
+ * IV check (step 3) is responsibility of the caller.
|
|
+ *
|
|
+ * @param[in] key Key value.
|
|
+ * @param[out] iv Unchecked IV value. Minimal buffer length = 8 bytes.
|
|
+ * @param[out] out Plain text without IV.
|
|
+ * Minimal buffer length = (inlen - 8) bytes.
|
|
+ * Input and output buffers can overlap if block function
|
|
+ * supports that.
|
|
+ * @param[in] in Ciphertext text as n 64-bit blocks
|
|
+ * @param[in] inlen Length of in.
|
|
+ * @param[in] block Block processing function.
|
|
+ * @return 0 if inlen is out of range [24, CRYPTO128_WRAP_MAX]
|
|
+ * or if inlen is not multiply of 8.
|
|
+ * Output length otherwise.
|
|
+ */
|
|
+static size_t crypto_128_unwrap_raw(void *key, unsigned char *iv,
|
|
+ unsigned char *out, const unsigned char *in,
|
|
+ size_t inlen, block128_f block)
|
|
+ {
|
|
+ unsigned char *A, B[16], *R;
|
|
+ size_t i, j, t;
|
|
+ inlen -= 8;
|
|
+ if ((inlen & 0x7) || (inlen < 16) || (inlen > CRYPTO128_WRAP_MAX))
|
|
+ return 0;
|
|
+ A = B;
|
|
+ t = 6 * (inlen >> 3);
|
|
+ memcpy(A, in, 8);
|
|
+ memmove(out, in + 8, inlen);
|
|
+ for (j = 0; j < 6; j++)
|
|
+ {
|
|
+ R = out + inlen - 8;
|
|
+ for (i = 0; i < inlen; i += 8, t--, R -= 8)
|
|
+ {
|
|
+ A[7] ^= (unsigned char)(t & 0xff);
|
|
+ if (t > 0xff)
|
|
+ {
|
|
+ A[6] ^= (unsigned char)((t >> 8) & 0xff);
|
|
+ A[5] ^= (unsigned char)((t >> 16) & 0xff);
|
|
+ A[4] ^= (unsigned char)((t >> 24) & 0xff);
|
|
+ }
|
|
+ memcpy(B + 8, R, 8);
|
|
+ block(B, B, key);
|
|
+ memcpy(R, B + 8, 8);
|
|
+ }
|
|
+ }
|
|
+ memcpy(iv, A, 8);
|
|
+ return inlen;
|
|
+ }
|
|
+
|
|
+/** Unwrapping according to RFC 3394 section 2.2.2 including IV check.
|
|
+ * First block of plain text have to match supplied IV otherwise an error is
|
|
+ * returned.
|
|
+ *
|
|
+ * @param[in] key Key value.
|
|
+ * @param[out] iv Unchecked IV value. Minimal buffer length = 8 bytes.
|
|
+ * @param[out] out Plain text without IV.
|
|
+ * Minimal buffer length = (inlen - 8) bytes.
|
|
+ * Input and output buffers can overlap if block function
|
|
+ * supports that.
|
|
+ * @param[in] in Ciphertext text as n 64-bit blocks
|
|
+ * @param[in] inlen Length of in.
|
|
+ * @param[in] block Block processing function.
|
|
+ * @return 0 if inlen is out of range [24, CRYPTO128_WRAP_MAX]
|
|
+ * or if inlen is not multiply of 8
|
|
+ * or if IV doesn't match expected value.
|
|
+ * Output length otherwise.
|
|
+ */
|
|
+size_t CRYPTO_128_unwrap(void *key, const unsigned char *iv,
|
|
+ unsigned char *out, const unsigned char *in, size_t inlen,
|
|
+ block128_f block)
|
|
+ {
|
|
+ size_t ret;
|
|
+ unsigned char got_iv[8];
|
|
+
|
|
+ ret = crypto_128_unwrap_raw(key, got_iv, out, in, inlen, block);
|
|
+ if (ret != inlen)
|
|
+ return ret;
|
|
+
|
|
+ if (!iv)
|
|
+ iv = default_iv;
|
|
+ if (CRYPTO_memcmp(out, iv, 8))
|
|
+ {
|
|
+ OPENSSL_cleanse(out, inlen);
|
|
+ return 0;
|
|
+ }
|
|
+ return inlen;
|
|
+ }
|
|
+
|
|
+/** Wrapping according to RFC 5649 section 4.1.
|
|
+ *
|
|
+ * @param[in] key Key value.
|
|
+ * @param[in] icv (Non-standard) IV, 4 bytes. NULL = use default_aiv.
|
|
+ * @param[out] out Cipher text. Minimal buffer length = (inlen + 15) bytes.
|
|
+ * Input and output buffers can overlap if block function
|
|
+ * supports that.
|
|
+ * @param[in] in Plain text as n 64-bit blocks, n >= 2.
|
|
+ * @param[in] inlen Length of in.
|
|
+ * @param[in] block Block processing function.
|
|
+ * @return 0 if inlen is out of range [1, CRYPTO128_WRAP_MAX].
|
|
+ * Output length if wrapping succeeded.
|
|
+ */
|
|
+size_t CRYPTO_128_wrap_pad(void *key, const unsigned char *icv,
|
|
+ unsigned char *out,
|
|
+ const unsigned char *in, size_t inlen, block128_f block)
|
|
+ {
|
|
+ /* n: number of 64-bit blocks in the padded key data */
|
|
+ const size_t blocks_padded = (inlen + 8) / 8;
|
|
+ const size_t padded_len = blocks_padded * 8;
|
|
+ const size_t padding_len = padded_len - inlen;
|
|
+ /* RFC 5649 section 3: Alternative Initial Value */
|
|
+ unsigned char aiv[8];
|
|
+ int ret;
|
|
+
|
|
+ /* Section 1: use 32-bit fixed field for plaintext octet length */
|
|
+ if (inlen == 0 || inlen >= CRYPTO128_WRAP_MAX)
|
|
+ return 0;
|
|
+
|
|
+ /* Section 3: Alternative Initial Value */
|
|
+ if (!icv)
|
|
+ memcpy(aiv, default_aiv, 4);
|
|
+ else
|
|
+ memcpy(aiv, icv, 4); /* Standard doesn't mention this. */
|
|
+
|
|
+ aiv[4] = (inlen >> 24) & 0xFF;
|
|
+ aiv[5] = (inlen >> 16) & 0xFF;
|
|
+ aiv[6] = (inlen >> 8) & 0xFF;
|
|
+ aiv[7] = inlen & 0xFF;
|
|
+
|
|
+ if (padded_len == 8)
|
|
+ {
|
|
+ /* Section 4.1 - special case in step 2:
|
|
+ * If the padded plaintext contains exactly eight octets, then
|
|
+ * prepend the AIV and encrypt the resulting 128-bit block
|
|
+ * using AES in ECB mode. */
|
|
+ memmove(out + 8, in, inlen);
|
|
+ memcpy(out, aiv, 8);
|
|
+ memset(out + 8 + inlen, 0, padding_len);
|
|
+ block(out, out, key);
|
|
+ ret = 16; /* AIV + padded input */
|
|
+ }
|
|
+ else
|
|
+ {
|
|
+ memmove(out, in, inlen);
|
|
+ memset(out + inlen, 0, padding_len); /* Section 4.1 step 1 */
|
|
+ ret = CRYPTO_128_wrap(key, aiv, out, out, padded_len, block);
|
|
+ }
|
|
+
|
|
+ return ret;
|
|
+ }
|
|
+
|
|
+/** Unwrapping according to RFC 5649 section 4.2.
|
|
+ *
|
|
+ * @param[in] key Key value.
|
|
+ * @param[in] icv (Non-standard) IV, 4 bytes. NULL = use default_aiv.
|
|
+ * @param[out] out Plain text. Minimal buffer length = inlen bytes.
|
|
+ * Input and output buffers can overlap if block function
|
|
+ * supports that.
|
|
+ * @param[in] in Ciphertext text as n 64-bit blocks
|
|
+ * @param[in] inlen Length of in.
|
|
+ * @param[in] block Block processing function.
|
|
+ * @return 0 if inlen is out of range [16, CRYPTO128_WRAP_MAX],
|
|
+ * or if inlen is not multiply of 8
|
|
+ * or if IV and message length indicator doesn't match.
|
|
+ * Output length if unwrapping succeeded and IV matches.
|
|
+ */
|
|
+size_t CRYPTO_128_unwrap_pad(void *key, const unsigned char *icv,
|
|
+ unsigned char *out,
|
|
+ const unsigned char *in, size_t inlen, block128_f block)
|
|
+ {
|
|
+ /* n: number of 64-bit blocks in the padded key data */
|
|
+ size_t n = inlen / 8 - 1;
|
|
+ size_t padded_len;
|
|
+ size_t padding_len;
|
|
+ size_t ptext_len;
|
|
+ /* RFC 5649 section 3: Alternative Initial Value */
|
|
+ unsigned char aiv[8];
|
|
+ static unsigned char zeros[8] = {0x0};
|
|
+ size_t ret;
|
|
+
|
|
+ /* Section 4.2: Cipher text length has to be (n+1) 64-bit blocks. */
|
|
+ if ((inlen & 0x7) != 0 || inlen < 16 || inlen >= CRYPTO128_WRAP_MAX)
|
|
+ return 0;
|
|
+
|
|
+ memmove(out, in, inlen);
|
|
+ if (inlen == 16)
|
|
+ {
|
|
+ /* Section 4.2 - special case in step 1:
|
|
+ * When n=1, the ciphertext contains exactly two 64-bit
|
|
+ * blocks and they are decrypted as a single AES
|
|
+ * block using AES in ECB mode:
|
|
+ * AIV | P[1] = DEC(K, C[0] | C[1])
|
|
+ */
|
|
+ block(out, out, key);
|
|
+ memcpy(aiv, out, 8);
|
|
+ /* Remove AIV */
|
|
+ memmove(out, out + 8, 8);
|
|
+ padded_len = 8;
|
|
+ }
|
|
+ else
|
|
+ {
|
|
+ padded_len = inlen - 8;
|
|
+ ret = crypto_128_unwrap_raw(key, aiv, out, out, inlen, block);
|
|
+ if (padded_len != ret)
|
|
+ {
|
|
+ OPENSSL_cleanse(out, inlen);
|
|
+ return 0;
|
|
+ }
|
|
+ }
|
|
+
|
|
+ /* Section 3: AIV checks: Check that MSB(32,A) = A65959A6.
|
|
+ * Optionally a user-supplied value can be used
|
|
+ * (even if standard doesn't mention this). */
|
|
+ if ((!icv && CRYPTO_memcmp(aiv, default_aiv, 4))
|
|
+ || (icv && CRYPTO_memcmp(aiv, icv, 4)))
|
|
+ {
|
|
+ OPENSSL_cleanse(out, inlen);
|
|
+ return 0;
|
|
+ }
|
|
+
|
|
+ /* Check that 8*(n-1) < LSB(32,AIV) <= 8*n.
|
|
+ * If so, let ptext_len = LSB(32,AIV). */
|
|
+
|
|
+ ptext_len = (aiv[4] << 24) | (aiv[5] << 16) | (aiv[6] << 8) | aiv[7];
|
|
+ if (8*(n-1) >= ptext_len || ptext_len > 8*n)
|
|
+ {
|
|
+ OPENSSL_cleanse(out, inlen);
|
|
+ return 0;
|
|
+ }
|
|
+
|
|
+ /* Check that the rightmost padding_len octets of the output data
|
|
+ * are zero. */
|
|
+ padding_len = padded_len - ptext_len;
|
|
+ if (CRYPTO_memcmp(out + ptext_len, zeros, padding_len) != 0)
|
|
+ {
|
|
+ OPENSSL_cleanse(out, inlen);
|
|
+ return 0;
|
|
+ }
|
|
+
|
|
+ /* Section 4.2 step 3: Remove padding */
|
|
+ return ptext_len;
|
|
+ }
|