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Use signature for RSA pairwise test according FIPS-140-3 requirements

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Related: rhbz#2102540
This commit is contained in:
Dmitry Belyavskiy 2022-07-25 17:57:38 +02:00
parent f1dba9d301
commit a0907c129c
2 changed files with 83 additions and 0 deletions
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81
0044-FIPS-140-3-keychecks.patch
View File

@ -104,3 +104,84 @@ diff -up openssl-3.0.1/crypto/ec/ec_key.c.fips3 openssl-3.0.1/crypto/ec/ec_key.c
}
err:
/* Step (9): If there is an error return an invalid keypair. */
diff -up openssl-3.0.1/crypto/rsa/rsa_gen.c.fips3 openssl-3.0.1/crypto/rsa/rsa_gen.c
--- openssl-3.0.1/crypto/rsa/rsa_gen.c.fips3 2022-07-25 17:02:17.807271297 +0200
+++ openssl-3.0.1/crypto/rsa/rsa_gen.c 2022-07-25 17:18:24.931959649 +0200
@@ -23,6 +23,7 @@
#include <time.h>
#include "internal/cryptlib.h"
#include <openssl/bn.h>
+#include <openssl/obj_mac.h>
#include <openssl/self_test.h>
#include "prov/providercommon.h"
#include "rsa_local.h"
@@ -476,52 +476,43 @@ static int rsa_keygen(OSSL_LIB_CTX *libc
static int rsa_keygen_pairwise_test(RSA *rsa, OSSL_CALLBACK *cb, void *cbarg)
{
int ret = 0;
- unsigned int ciphertxt_len;
- unsigned char *ciphertxt = NULL;
- const unsigned char plaintxt[16] = {0};
- unsigned char *decoded = NULL;
- unsigned int decoded_len;
- unsigned int plaintxt_len = (unsigned int)sizeof(plaintxt_len);
- int padding = RSA_PKCS1_PADDING;
+ unsigned int signature_len;
+ unsigned char *signature = NULL;
OSSL_SELF_TEST *st = NULL;
+ static const unsigned char dgst[] = {
+ 0x7f, 0x83, 0xb1, 0x65, 0x7f, 0xf1, 0xfc, 0x53, 0xb9, 0x2d, 0xc1, 0x81,
+ 0x48, 0xa1, 0xd6, 0x5d, 0xfc, 0x2d, 0x4b, 0x1f, 0xa3, 0xd6, 0x77, 0x28,
+ 0x4a, 0xdd, 0xd2, 0x00, 0x12, 0x6d, 0x90, 0x69
+ };
st = OSSL_SELF_TEST_new(cb, cbarg);
if (st == NULL)
goto err;
OSSL_SELF_TEST_onbegin(st, OSSL_SELF_TEST_TYPE_PCT,
+ /* No special name for RSA signature PCT*/
OSSL_SELF_TEST_DESC_PCT_RSA_PKCS1);
- ciphertxt_len = RSA_size(rsa);
+ signature_len = RSA_size(rsa);
- /*
- * RSA_private_encrypt() and RSA_private_decrypt() requires the 'to'
- * parameter to be a maximum of RSA_size() - allocate space for both.
- */
- ciphertxt = OPENSSL_zalloc(ciphertxt_len * 2);
- if (ciphertxt == NULL)
+ signature = OPENSSL_zalloc(signature_len);
+ if (signature == NULL)
goto err;
- decoded = ciphertxt + ciphertxt_len;
- ciphertxt_len = RSA_public_encrypt(plaintxt_len, plaintxt, ciphertxt, rsa,
- padding);
- if (ciphertxt_len <= 0)
+ if (RSA_sign(NID_sha256, dgst, sizeof(dgst), signature, &signature_len, rsa) <= 0)
goto err;
- if (ciphertxt_len == plaintxt_len
- && memcmp(ciphertxt, plaintxt, plaintxt_len) == 0)
+
+ if (signature_len <= 0)
goto err;
- OSSL_SELF_TEST_oncorrupt_byte(st, ciphertxt);
+ OSSL_SELF_TEST_oncorrupt_byte(st, signature);
- decoded_len = RSA_private_decrypt(ciphertxt_len, ciphertxt, decoded, rsa,
- padding);
- if (decoded_len != plaintxt_len
- || memcmp(decoded, plaintxt, decoded_len) != 0)
+ if (RSA_verify(NID_sha256, dgst, sizeof(dgst), signature, signature_len, rsa) <= 0)
goto err;
ret = 1;
err:
OSSL_SELF_TEST_onend(st, ret);
OSSL_SELF_TEST_free(st);
- OPENSSL_free(ciphertxt);
+ OPENSSL_free(signature);
return ret;
}

2
openssl.spec
View File

@ -490,6 +490,8 @@ install -m644 %{SOURCE9} \
Related: rhbz#2102536
- Deal with ECDH keys in FIPS mode according FIPS-140-3 requirements
Related: rhbz#2102537
- Use signature for RSA pairwise test according FIPS-140-3 requirements
Related: rhbz#2102540
* Mon Aug 01 2022 Clemens Lang <cllang@redhat.com> - 1:3.0.1-39
- Use RSA-OAEP in FIPS RSA encryption/decryption FIPS self-test