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Sync up with changes made upstream for freebl and softoken

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- Reduce the patch to its bare minumum
- Remove RSA_BlockOAEP cases which aren't used by the pem module after all
- Copied the private RSA_BlockType data structure from freebl/pkcss11.c that needed here
- Upstream removed softoken/rsawrapr.c and moved the code to freebl/pkcs11.c
- https://bugzilla.mozilla.org/show_bug.cgi?id=836019
- Bug 836019 - Move RSA-PKCS#1, RSA-PSS, and RSA-OAEP into freebl
This commit is contained in:
Elio Maldonado 2014-01-08 09:08:35 -08:00
parent 569d439b91
commit d2ef6540b5
1 changed files with 27 additions and 844 deletions
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865
0001-sync-up-with-upstream-softokn-changes.patch
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@ -1,42 +1,10 @@
diff -up ./nss/lib/ckfw/pem/rsawrapr.c.syncupwithupstream ./nss/lib/ckfw/pem/rsawrapr.c diff -up ./nss/lib/ckfw/pem/rsawrapr.c.syncupwithupstream ./nss/lib/ckfw/pem/rsawrapr.c
--- ./nss/lib/ckfw/pem/rsawrapr.c.syncupwithupstream 2013-12-26 14:21:08.000000000 -0800 --- ./nss/lib/ckfw/pem/rsawrapr.c.syncupwithupstream 2013-12-26 14:21:08.000000000 -0800
+++ ./nss/lib/ckfw/pem/rsawrapr.c 2014-01-07 13:26:43.350502692 -0800 +++ ./nss/lib/ckfw/pem/rsawrapr.c 2014-01-08 09:05:09.549718089 -0800
@@ -1,5 +1,10 @@ @@ -60,6 +60,21 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
/*
- * PKCS#1 encoding and decoding functions.
+ RSA PKCS#1 v2.1 (RFC 3447) encoding and decoding functions.
+
* This file is believed to contain no code licensed from other parties.
*
* ***** BEGIN LICENSE BLOCK *****
@@ -42,21 +47,38 @@
#include "ckpem.h" #define FLAT_BUFSIZE 512 /* bytes to hold flattened SHA1Context. */
#include "blapi.h"
+#include "secitem.h"
+/*#include "blapii.h"*/
+/*
#include "softoken.h"
#include "sechash.h"
-#include "base.h"
-
+#include "base.h"#include "lowkeyi.h"
+*/
#include "secerr.h"
#define RSA_BLOCK_MIN_PAD_LEN 8
#define RSA_BLOCK_FIRST_OCTET 0x00
-#define RSA_BLOCK_PRIVATE0_PAD_OCTET 0x00
#define RSA_BLOCK_PRIVATE_PAD_OCTET 0xff
#define RSA_BLOCK_AFTER_PAD_OCTET 0x00
-#define OAEP_SALT_LEN 8
-#define OAEP_PAD_LEN 8
-#define OAEP_PAD_OCTET 0x00
+/* +/*
+ * RSA block types + * RSA block types
+ * + *
@ -52,217 +20,18 @@ diff -up ./nss/lib/ckfw/pem/rsawrapr.c.syncupwithupstream ./nss/lib/ckfw/pem/rsa
+ RSA_BlockTotal + RSA_BlockTotal
+} RSA_BlockType; +} RSA_BlockType;
+ +
+ unsigned
+/* Needed for RSA-PSS functions */ pem_PublicModulusLen(NSSLOWKEYPublicKey *pubk)
+static const unsigned char eightZeros[] = { 0, 0, 0, 0, 0, 0, 0, 0 };
#define FLAT_BUFSIZE 512 /* bytes to hold flattened SHA1Context. */
@@ -78,141 +100,62 @@ pem_PublicModulusLen(NSSLOWKEYPublicKey
return 0;
}
-static SHA1Context *SHA1_CloneContext(SHA1Context * original)
-{
- SHA1Context *clone = NULL;
- unsigned char *pBuf;
- int sha1ContextSize = SHA1_FlattenSize(original);
- SECStatus frv;
- unsigned char buf[FLAT_BUFSIZE];
-
- PORT_Assert(sizeof buf >= sha1ContextSize);
- if (sizeof buf >= sha1ContextSize) {
- pBuf = buf;
- } else {
- pBuf = nss_ZAlloc(NULL, sha1ContextSize);
- if (!pBuf)
- goto done;
- }
-
- frv = SHA1_Flatten(original, pBuf);
- if (frv == SECSuccess) {
- clone = SHA1_Resurrect(pBuf, NULL);
- memset(pBuf, 0, sha1ContextSize);
- }
- done:
- if (pBuf != buf)
- nss_ZFreeIf(pBuf);
- return clone;
+/* Constant time comparison of a single byte.
+ * Returns 1 iff a == b, otherwise returns 0.
+ * Note: For ranges of bytes, use constantTimeCompare.
+ */
+static unsigned char constantTimeEQ8(unsigned char a, unsigned char b) {
+ unsigned char c = ~((a - b) | (b - a));
+ c >>= 7;
+ return c;
}
-/*
- * Modify data by XORing it with a special hash of salt.
+/* Constant time comparison of a range of bytes.
+ * Returns 1 iff len bytes of a are identical to len bytes of b, otherwise
+ * returns 0.
*/
-static SECStatus
-oaep_xor_with_h1(unsigned char *data, unsigned int datalen,
- unsigned char *salt, unsigned int saltlen)
-{
- SHA1Context *sha1cx;
- unsigned char *dp, *dataend;
- unsigned char end_octet;
-
- sha1cx = SHA1_NewContext();
- if (sha1cx == NULL) {
- return SECFailure;
- }
-
- /*
- * Get a hash of salt started; we will use it several times,
- * adding in a different end octet (x00, x01, x02, ...).
- */
- SHA1_Begin(sha1cx);
- SHA1_Update(sha1cx, salt, saltlen);
- end_octet = 0;
-
- dp = data;
- dataend = data + datalen;
-
- while (dp < dataend) {
- SHA1Context *sha1cx_h1;
- unsigned int sha1len, sha1off;
- unsigned char sha1[SHA1_LENGTH];
-
- /*
- * Create hash of (salt || end_octet)
- */
- sha1cx_h1 = SHA1_CloneContext(sha1cx);
- SHA1_Update(sha1cx_h1, &end_octet, 1);
- SHA1_End(sha1cx_h1, sha1, &sha1len, sizeof(sha1));
- SHA1_DestroyContext(sha1cx_h1, PR_TRUE);
- PORT_Assert(sha1len == SHA1_LENGTH);
-
- /*
- * XOR that hash with the data.
- * When we have fewer than SHA1_LENGTH octets of data
- * left to xor, use just the low-order ones of the hash.
- */
- sha1off = 0;
- if ((dataend - dp) < SHA1_LENGTH)
- sha1off = SHA1_LENGTH - (dataend - dp);
- while (sha1off < SHA1_LENGTH)
- *dp++ ^= sha1[sha1off++];
-
- /*
- * Bump for next hash chunk.
- */
- end_octet++;
- }
-
- SHA1_DestroyContext(sha1cx, PR_TRUE);
- return SECSuccess;
+static unsigned char constantTimeCompare(const unsigned char *a,
+ const unsigned char *b,
+ unsigned int len) {
+ unsigned char tmp = 0;
+ unsigned int i;
+ for (i = 0; i < len; ++i, ++a, ++b)
+ tmp |= *a ^ *b;
+ return constantTimeEQ8(0x00, tmp);
}
-/*
- * Modify salt by XORing it with a special hash of data.
+/* Constant time conditional.
+ * Returns a if c is 1, or b if c is 0. The result is undefined if c is
+ * not 0 or 1.
*/
-static SECStatus
-oaep_xor_with_h2(unsigned char *salt, unsigned int saltlen,
- unsigned char *data, unsigned int datalen)
+static unsigned int constantTimeCondition(unsigned int c,
+ unsigned int a,
+ unsigned int b)
{ {
- unsigned char sha1[SHA1_LENGTH]; @@ -233,7 +248,6 @@ static unsigned char *rsa_FormatOneBlock
- unsigned char *psalt, *psha1, *saltend;
- SECStatus rv;
-
- /*
- * Create a hash of data.
- */
- rv = SHA1_HashBuf(sha1, data, datalen);
- if (rv != SECSuccess) {
- return rv;
- }
-
- /*
- * XOR the low-order octets of that hash with salt.
- */
- PORT_Assert(saltlen <= SHA1_LENGTH);
- saltend = salt + saltlen;
- psalt = salt;
- psha1 = sha1 + SHA1_LENGTH - saltlen;
- while (psalt < saltend) {
- *psalt++ ^= *psha1++;
- }
+ return (~(c - 1) & a) | ((c - 1) & b);
+}
- return SECSuccess;
+static unsigned int
+rsa_modulusLen(SECItem * modulus)
+{
+ unsigned char byteZero = modulus->data[0];
+ unsigned int modLen = modulus->len - !byteZero;
+ return modLen;
}
/* /*
* Format one block of data for public/private key encryption using * Blocks intended for private-key operation.
* the rules defined in PKCS #1.
*/ */
-static unsigned char *rsa_FormatOneBlock(unsigned modulusLen,
- RSA_BlockType blockType,
- SECItem * data)
+static unsigned char *
+rsa_FormatOneBlock(unsigned modulusLen,
+ RSA_BlockType blockType,
+ SECItem * data)
{
unsigned char *block;
unsigned char *bp;
int padLen;
- int i;
+ int i, j;
SECStatus rv;
block = (unsigned char *) nss_ZAlloc(NULL, modulusLen);
@@ -223,18 +166,17 @@ static unsigned char *rsa_FormatOneBlock
/*
* All RSA blocks start with two octets:
- * 0x00 || BlockType
+ * 0x00 || BlockType
*/
*bp++ = RSA_BLOCK_FIRST_OCTET;
*bp++ = (unsigned char) blockType;
switch (blockType) {
- /*
- * Blocks intended for private-key operation.
- */
- case RSA_BlockPrivate0: /* essentially unused */ - case RSA_BlockPrivate0: /* essentially unused */
- case RSA_BlockPrivate: /* preferred method */ case RSA_BlockPrivate: /* preferred method */
+ /*
+ * Blocks intended for private-key operation.
+ */
+ case RSA_BlockPrivate: /* preferred method */
/* /*
* 0x00 || BT || Pad || 0x00 || ActualData * 0x00 || BT || Pad || 0x00 || ActualData
* 1 1 padLen 1 data->len @@ -246,10 +260,7 @@ static unsigned char *rsa_FormatOneBlock
@@ -246,138 +188,69 @@ static unsigned char *rsa_FormatOneBlock
nss_ZFreeIf(block); nss_ZFreeIf(block);
return NULL; return NULL;
} }
@ -274,41 +43,10 @@ diff -up ./nss/lib/ckfw/pem/rsawrapr.c.syncupwithupstream ./nss/lib/ckfw/pem/rsa
bp += padLen; bp += padLen;
*bp++ = RSA_BLOCK_AFTER_PAD_OCTET; *bp++ = RSA_BLOCK_AFTER_PAD_OCTET;
nsslibc_memcpy(bp, data->data, data->len); nsslibc_memcpy(bp, data->data, data->len);
@@ -288,97 +299,6 @@ static unsigned char *rsa_FormatOneBlock
break; break;
- /*
- * Blocks intended for public-key operation.
- */
- case RSA_BlockPublic:
-
- /*
- * 0x00 || BT || Pad || 0x00 || ActualData
- * 1 1 padLen 1 data->len
- * Pad is all non-zero random bytes.
- */
- padLen = modulusLen - data->len - 3;
- PORT_Assert(padLen >= RSA_BLOCK_MIN_PAD_LEN);
- if (padLen < RSA_BLOCK_MIN_PAD_LEN) {
- nss_ZFreeIf(block);
- return NULL;
- }
- for (i = 0; i < padLen; i++) {
- /* Pad with non-zero random data. */
- do {
- rv = RNG_GenerateGlobalRandomBytes(bp + i, 1);
- } while (rv == SECSuccess
- && bp[i] == RSA_BLOCK_AFTER_PAD_OCTET);
- if (rv != SECSuccess) {
- nss_ZFreeIf(block);
- return NULL;
- }
- }
- bp += padLen;
- *bp++ = RSA_BLOCK_AFTER_PAD_OCTET;
- nsslibc_memcpy(bp, data->data, data->len);
-
- break;
-
- /* - /*
- * Blocks intended for public-key operation, using - * Blocks intended for public-key operation, using
- * Optimal Asymmetric Encryption Padding (OAEP). - * Optimal Asymmetric Encryption Padding (OAEP).
@ -399,107 +137,22 @@ diff -up ./nss/lib/ckfw/pem/rsawrapr.c.syncupwithupstream ./nss/lib/ckfw/pem/rsa
- } - }
- -
- break; - break;
+ /* -
+ * Blocks intended for public-key operation.
+ */
+ case RSA_BlockPublic:
+
+ /*
+ * 0x00 || BT || Pad || 0x00 || ActualData
+ * 1 1 padLen 1 data->len
+ * Pad is all non-zero random bytes.
+ *
+ * Build the block left to right.
+ * Fill the entire block from Pad to the end with random bytes.
+ * Use the bytes after Pad as a supply of extra random bytes from
+ * which to find replacements for the zero bytes in Pad.
+ * If we need more than that, refill the bytes after Pad with
+ * new random bytes as necessary.
+ */
+ padLen = modulusLen - (data->len + 3);
+ PORT_Assert (padLen >= RSA_BLOCK_MIN_PAD_LEN);
+ if (padLen < RSA_BLOCK_MIN_PAD_LEN) {
+ nss_ZFreeIf (block);
+ return NULL;
+ }
+ j = modulusLen - 2;
+ rv = RNG_GenerateGlobalRandomBytes(bp, j);
+ if (rv == SECSuccess) {
+ for (i = 0; i < padLen; ) {
+ unsigned char repl;
+ /* Pad with non-zero random data. */
+ if (bp[i] != RSA_BLOCK_AFTER_PAD_OCTET) {
+ ++i;
+ continue;
+ }
+ if (j <= padLen) {
+ rv = RNG_GenerateGlobalRandomBytes(bp + padLen,
+ modulusLen - (2 + padLen));
+ if (rv != SECSuccess)
+ break;
+ j = modulusLen - 2;
+ }
+ do {
+ repl = bp[--j];
+ } while (repl == RSA_BLOCK_AFTER_PAD_OCTET && j > padLen);
+ if (repl != RSA_BLOCK_AFTER_PAD_OCTET) {
+ bp[i++] = repl;
+ }
+ }
+ }
+ if (rv != SECSuccess) {
+ /*sftk_fatalError = PR_TRUE;*/
+ nss_ZFreeIf (block);
+ return NULL;
+ }
+ bp += padLen;
+ *bp++ = RSA_BLOCK_AFTER_PAD_OCTET;
+ nsslibc_memcpy(bp, data->data, data->len);
+ break;
default: default:
PORT_Assert(0); PORT_Assert(0);
@@ -389,54 +262,21 @@ static unsigned char *rsa_FormatOneBlock nss_ZFreeIf(block);
} @@ -406,7 +326,6 @@ rsa_FormatBlock(SECItem * result, unsign
*/
static SECStatus
-rsa_FormatBlock(SECItem * result, unsigned modulusLen,
- RSA_BlockType blockType, SECItem * data)
+rsa_FormatBlock(SECItem * result,
+ unsigned modulusLen,
+ RSA_BlockType blockType,
+ SECItem * data)
{
- /*
- * XXX For now assume that the data length fits in a single
- * XXX encryption block; the ASSERTs below force this.
- * XXX To fix it, each case will have to loop over chunks whose
- * XXX lengths satisfy the assertions, until all data is handled.
- * XXX (Unless RSA has more to say about how to handle data
- * XXX which does not fit in a single encryption block?)
- * XXX And I do not know what the result is supposed to be,
- * XXX so the interface to this function may need to change
- * XXX to allow for returning multiple blocks, if they are
- * XXX not wanted simply concatenated one after the other.
- */
-
switch (blockType) { switch (blockType) {
- case RSA_BlockPrivate0: - case RSA_BlockPrivate0:
- case RSA_BlockPrivate: case RSA_BlockPrivate:
- case RSA_BlockPublic: case RSA_BlockPublic:
+ case RSA_BlockPrivate:
+ case RSA_BlockPublic:
/* /*
* 0x00 || BT || Pad || 0x00 || ActualData @@ -420,26 +339,6 @@ rsa_FormatBlock(SECItem * result, unsign
*
* The "3" below is the first octet + the second octet + the 0x00 result->data = rsa_FormatOneBlock(modulusLen, blockType, data);
* octet that always comes just before the ActualData. if (result->data == NULL) {
*/
- PORT_Assert(data->len <=
- (modulusLen - (3 + RSA_BLOCK_MIN_PAD_LEN)));
-
- result->data = rsa_FormatOneBlock(modulusLen, blockType, data);
- if (result->data == NULL) {
- result->len = 0; - result->len = 0;
- return SECFailure; - return SECFailure;
- } - }
@ -517,479 +170,9 @@ diff -up ./nss/lib/ckfw/pem/rsawrapr.c.syncupwithupstream ./nss/lib/ckfw/pem/rsa
- */ - */
- PORT_Assert(data->len <= (modulusLen - (2 + OAEP_SALT_LEN - PORT_Assert(data->len <= (modulusLen - (2 + OAEP_SALT_LEN
- + OAEP_PAD_LEN))); - + OAEP_PAD_LEN)));
+ PORT_Assert(data->len <= (modulusLen - (3 + RSA_BLOCK_MIN_PAD_LEN)));
result->data = rsa_FormatOneBlock(modulusLen, blockType, data);
if (result->data == NULL) {
@@ -447,7 +287,7 @@ rsa_FormatBlock(SECItem * result, unsign
break;
- case RSA_BlockRaw:
+ case RSA_BlockRaw:
/*
* Pad || ActualData
* Pad is zeros. The application is responsible for recovering
@@ -476,36 +316,34 @@ rsa_FormatBlock(SECItem * result, unsign
SECStatus
pem_RSA_Sign(pemLOWKEYPrivateKey * key,
unsigned char *output,
- unsigned int *output_len,
+ unsigned int *outputLen,
unsigned int maxOutputLen,
- unsigned char *input, unsigned int input_len)
+ unsigned char *input, unsigned int inputLen)
{
SECStatus rv = SECSuccess;
- unsigned int modulus_len = pem_PrivateModulusLen(key);
+ unsigned int modulusLen = pem_PrivateModulusLen(key);
SECItem formatted;
SECItem unformatted;
- if (maxOutputLen < modulus_len)
+ if (maxOutputLen < modulusLen)
return SECFailure;
PORT_Assert(key->keyType == pemLOWKEYRSAKey);
if (key->keyType != pemLOWKEYRSAKey)
return SECFailure;
- unformatted.len = input_len;
+ unformatted.len = inputLen;
unformatted.data = input;
formatted.data = NULL;
- rv = rsa_FormatBlock(&formatted, modulus_len, RSA_BlockPrivate,
+ rv = rsa_FormatBlock(&formatted, modulusLen, RSA_BlockPrivate,
&unformatted);
if (rv != SECSuccess)
goto done;
rv = RSA_PrivateKeyOpDoubleChecked(&key->u.rsa, output,
formatted.data);
- *output_len = modulus_len;
+ *outputLen = modulusLen;
- goto done;
- -
- done: - result->data = rsa_FormatOneBlock(modulusLen, blockType, data);
+done: - if (result->data == NULL) {
if (formatted.data != NULL) result->len = 0;
nss_ZFreeIf(formatted.data);
return rv;
@@ -515,17 +353,17 @@ pem_RSA_Sign(pemLOWKEYPrivateKey * key,
/* XXX Doesn't set error code */
SECStatus
RSA_CheckSign(NSSLOWKEYPublicKey * key,
- unsigned char *sign,
- unsigned int sign_len,
+ unsigned char *sig,
+ unsigned int sigLen,
unsigned char *hash, unsigned int hash_len)
{
SECStatus rv;
- unsigned int modulus_len = pem_PublicModulusLen(key);
+ unsigned int modulusLen = pem_PublicModulusLen(key);
unsigned int i;
unsigned char *buffer;
- modulus_len = pem_PublicModulusLen(key);
- if (sign_len != modulus_len)
+ modulusLen = pem_PublicModulusLen(key);
+ if (sigLen != modulusLen)
goto failure;
/*
* 0x00 || BT || Pad || 0x00 || ActualData
@@ -533,17 +371,17 @@ RSA_CheckSign(NSSLOWKEYPublicKey * key,
* The "3" below is the first octet + the second octet + the 0x00
* octet that always comes just before the ActualData.
*/
- if (hash_len > modulus_len - (3 + RSA_BLOCK_MIN_PAD_LEN))
+ if (hash_len > modulusLen - (3 + RSA_BLOCK_MIN_PAD_LEN))
goto failure;
PORT_Assert(key->keyType == pemLOWKEYRSAKey);
if (key->keyType != pemLOWKEYRSAKey)
goto failure;
- buffer = (unsigned char *) nss_ZAlloc(NULL, modulus_len + 1);
+ buffer = (unsigned char *) nss_ZAlloc(NULL, modulusLen + 1);
if (!buffer)
goto failure;
- rv = RSA_PublicKeyOp(&key->u.rsa, buffer, sign);
+ rv = RSA_PublicKeyOp(&key->u.rsa, buffer, sig);
if (rv != SECSuccess)
goto loser;
@@ -552,7 +390,7 @@ RSA_CheckSign(NSSLOWKEYPublicKey * key,
*/
if (buffer[0] != 0 || buffer[1] != 1)
goto loser;
- for (i = 2; i < modulus_len - hash_len - 1; i++) {
+ for (i = 2; i < modulusLen - hash_len - 1; i++) {
if (buffer[i] != 0xff)
goto loser;
}
@@ -562,7 +400,7 @@ RSA_CheckSign(NSSLOWKEYPublicKey * key,
/*
* make sure we get the same results
*/
- if (memcmp(buffer + modulus_len - hash_len, hash, hash_len) != 0)
+ if (memcmp(buffer + modulusLen - hash_len, hash, hash_len) != 0)
goto loser;
nss_ZFreeIf(buffer);
@@ -579,25 +417,25 @@ SECStatus
RSA_CheckSignRecover(NSSLOWKEYPublicKey * key,
unsigned char *data,
unsigned int *data_len,
- unsigned int max_output_len,
- unsigned char *sign, unsigned int sign_len)
+ unsigned int maxOutputLen,
+ unsigned char *sig, unsigned int sigLen)
{
SECStatus rv;
- unsigned int modulus_len = pem_PublicModulusLen(key);
+ unsigned int modulusLen = pem_PublicModulusLen(key);
unsigned int i;
unsigned char *buffer;
- if (sign_len != modulus_len)
+ if (sigLen != modulusLen)
goto failure;
PORT_Assert(key->keyType == pemLOWKEYRSAKey);
if (key->keyType != pemLOWKEYRSAKey)
goto failure;
- buffer = (unsigned char *) nss_ZAlloc(NULL, modulus_len + 1);
+ buffer = (unsigned char *) nss_ZAlloc(NULL, modulusLen + 1);
if (!buffer)
goto failure;
- rv = RSA_PublicKeyOp(&key->u.rsa, buffer, sign);
+ rv = RSA_PublicKeyOp(&key->u.rsa, buffer, sig);
if (rv != SECSuccess)
goto loser;
*data_len = 0;
@@ -607,9 +445,9 @@ RSA_CheckSignRecover(NSSLOWKEYPublicKey
*/
if (buffer[0] != 0 || buffer[1] != 1)
goto loser;
- for (i = 2; i < modulus_len; i++) {
+ for (i = 2; i < modulusLen; i++) {
if (buffer[i] == 0) {
- *data_len = modulus_len - i - 1;
+ *data_len = modulusLen - i - 1;
break;
}
if (buffer[i] != 0xff)
@@ -617,13 +455,13 @@ RSA_CheckSignRecover(NSSLOWKEYPublicKey
}
if (*data_len == 0)
goto loser;
- if (*data_len > max_output_len)
+ if (*data_len > maxOutputLen)
goto loser;
/*
* make sure we get the same results
*/
- nsslibc_memcpy(data, buffer + modulus_len - *data_len, *data_len);
+ nsslibc_memcpy(data, buffer + modulusLen - *data_len, *data_len);
nss_ZFreeIf(buffer);
return SECSuccess;
@@ -638,26 +476,26 @@ RSA_CheckSignRecover(NSSLOWKEYPublicKey
SECStatus
RSA_EncryptBlock(NSSLOWKEYPublicKey * key,
unsigned char *output,
- unsigned int *output_len,
- unsigned int max_output_len,
- unsigned char *input, unsigned int input_len)
+ unsigned int *outputLen,
+ unsigned int maxOutputLen,
+ unsigned char *input, unsigned int inputLen)
{
SECStatus rv;
- unsigned int modulus_len = pem_PublicModulusLen(key);
+ unsigned int modulusLen = pem_PublicModulusLen(key);
SECItem formatted;
SECItem unformatted;
formatted.data = NULL;
- if (max_output_len < modulus_len)
+ if (maxOutputLen < modulusLen)
goto failure;
PORT_Assert(key->keyType == pemLOWKEYRSAKey);
if (key->keyType != pemLOWKEYRSAKey)
goto failure;
- unformatted.len = input_len;
+ unformatted.len = inputLen;
unformatted.data = input;
formatted.data = NULL;
- rv = rsa_FormatBlock(&formatted, modulus_len, RSA_BlockPublic,
+ rv = rsa_FormatBlock(&formatted, modulusLen, RSA_BlockPublic,
&unformatted);
if (rv != SECSuccess)
goto failure;
@@ -667,7 +505,7 @@ RSA_EncryptBlock(NSSLOWKEYPublicKey * ke
goto failure;
nss_ZFreeIf(formatted.data);
- *output_len = modulus_len;
+ *outputLen = modulusLen;
return SECSuccess;
failure:
@@ -681,22 +519,22 @@ RSA_EncryptBlock(NSSLOWKEYPublicKey * ke
SECStatus
pem_RSA_DecryptBlock(pemLOWKEYPrivateKey * key,
unsigned char *output,
- unsigned int *output_len,
- unsigned int max_output_len,
- unsigned char *input, unsigned int input_len)
+ unsigned int *outputLen,
+ unsigned int maxOutputLen,
+ unsigned char *input, unsigned int inputLen)
{
SECStatus rv;
- unsigned int modulus_len = pem_PrivateModulusLen(key);
+ unsigned int modulusLen = pem_PrivateModulusLen(key);
unsigned int i;
unsigned char *buffer;
PORT_Assert(key->keyType == pemLOWKEYRSAKey);
if (key->keyType != pemLOWKEYRSAKey)
goto failure;
- if (input_len != modulus_len)
+ if (inputLen != modulusLen)
goto failure;
- buffer = (unsigned char *) nss_ZAlloc(NULL, modulus_len + 1);
+ buffer = (unsigned char *) nss_ZAlloc(NULL, modulusLen + 1);
if (!buffer)
goto failure;
@@ -707,19 +545,19 @@ pem_RSA_DecryptBlock(pemLOWKEYPrivateKey
if (buffer[0] != 0 || buffer[1] != 2)
goto loser;
- *output_len = 0;
- for (i = 2; i < modulus_len; i++) {
+ *outputLen = 0;
+ for (i = 2; i < modulusLen; i++) {
if (buffer[i] == 0) {
- *output_len = modulus_len - i - 1;
+ *outputLen = modulusLen - i - 1;
break;
}
}
- if (*output_len == 0)
+ if (*outputLen == 0)
goto loser;
- if (*output_len > max_output_len)
+ if (*outputLen > maxOutputLen)
goto loser;
- nsslibc_memcpy(output, buffer + modulus_len - *output_len, *output_len);
+ nsslibc_memcpy(output, buffer + modulusLen - *outputLen, *outputLen);
nss_ZFreeIf(buffer);
return SECSuccess;
@@ -739,32 +577,32 @@ pem_RSA_DecryptBlock(pemLOWKEYPrivateKey
SECStatus
pem_RSA_SignRaw(pemLOWKEYPrivateKey * key,
unsigned char *output,
- unsigned int *output_len,
+ unsigned int *outputLen,
unsigned int maxOutputLen,
- unsigned char *input, unsigned int input_len)
+ unsigned char *input, unsigned int inputLen)
{
SECStatus rv = SECSuccess;
- unsigned int modulus_len = pem_PrivateModulusLen(key);
+ unsigned int modulusLen = pem_PrivateModulusLen(key);
SECItem formatted;
SECItem unformatted;
- if (maxOutputLen < modulus_len)
+ if (maxOutputLen < modulusLen)
return SECFailure; return SECFailure;
PORT_Assert(key->keyType == pemLOWKEYRSAKey);
if (key->keyType != pemLOWKEYRSAKey)
return SECFailure;
- unformatted.len = input_len;
+ unformatted.len = inputLen;
unformatted.data = input;
formatted.data = NULL;
- rv = rsa_FormatBlock(&formatted, modulus_len, RSA_BlockRaw,
+ rv = rsa_FormatBlock(&formatted, modulusLen, RSA_BlockRaw,
&unformatted);
if (rv != SECSuccess)
goto done;
rv = RSA_PrivateKeyOpDoubleChecked(&key->u.rsa, output,
formatted.data);
- *output_len = modulus_len;
+ *outputLen = modulusLen;
done:
if (formatted.data != NULL)
@@ -775,27 +613,27 @@ pem_RSA_SignRaw(pemLOWKEYPrivateKey * ke
/* XXX Doesn't set error code */
SECStatus
RSA_CheckSignRaw(NSSLOWKEYPublicKey * key,
- unsigned char *sign,
- unsigned int sign_len,
+ unsigned char *sig,
+ unsigned int sigLen,
unsigned char *hash, unsigned int hash_len)
{
SECStatus rv;
- unsigned int modulus_len = pem_PublicModulusLen(key);
+ unsigned int modulusLen = pem_PublicModulusLen(key);
unsigned char *buffer;
- if (sign_len != modulus_len)
+ if (sigLen != modulusLen)
goto failure;
- if (hash_len > modulus_len)
+ if (hash_len > modulusLen)
goto failure;
PORT_Assert(key->keyType == pemLOWKEYRSAKey);
if (key->keyType != pemLOWKEYRSAKey)
goto failure;
- buffer = (unsigned char *) nss_ZAlloc(NULL, modulus_len + 1);
+ buffer = (unsigned char *) nss_ZAlloc(NULL, modulusLen + 1);
if (!buffer)
goto failure;
- rv = RSA_PublicKeyOp(&key->u.rsa, buffer, sign);
+ rv = RSA_PublicKeyOp(&key->u.rsa, buffer, sig);
if (rv != SECSuccess)
goto loser;
@@ -803,7 +641,7 @@ RSA_CheckSignRaw(NSSLOWKEYPublicKey * ke
* make sure we get the same results
*/
/* NOTE: should we verify the leading zeros? */
- if (memcmp(buffer + (modulus_len - hash_len), hash, hash_len) !=
+ if (memcmp(buffer + (modulusLen - hash_len), hash, hash_len) !=
0)
goto loser;
@@ -821,25 +659,25 @@ SECStatus
RSA_CheckSignRecoverRaw(NSSLOWKEYPublicKey * key,
unsigned char *data,
unsigned int *data_len,
- unsigned int max_output_len,
- unsigned char *sign, unsigned int sign_len)
+ unsigned int maxOutputLen,
+ unsigned char *sig, unsigned int sigLen)
{
SECStatus rv;
- unsigned int modulus_len = pem_PublicModulusLen(key);
+ unsigned int modulusLen = pem_PublicModulusLen(key);
- if (sign_len != modulus_len)
+ if (sigLen != modulusLen)
goto failure;
- if (max_output_len < modulus_len)
+ if (maxOutputLen < modulusLen)
goto failure;
PORT_Assert(key->keyType == pemLOWKEYRSAKey);
if (key->keyType != pemLOWKEYRSAKey)
goto failure;
- rv = RSA_PublicKeyOp(&key->u.rsa, data, sign);
+ rv = RSA_PublicKeyOp(&key->u.rsa, data, sig);
if (rv != SECSuccess)
goto failure;
- *data_len = modulus_len;
+ *data_len = modulusLen;
return SECSuccess;
failure:
@@ -851,26 +689,26 @@ RSA_CheckSignRecoverRaw(NSSLOWKEYPublicK
SECStatus
RSA_EncryptRaw(NSSLOWKEYPublicKey * key,
unsigned char *output,
- unsigned int *output_len,
- unsigned int max_output_len,
- unsigned char *input, unsigned int input_len)
+ unsigned int *outputLen,
+ unsigned int maxOutputLen,
+ unsigned char *input, unsigned int inputLen)
{
SECStatus rv;
- unsigned int modulus_len = pem_PublicModulusLen(key);
+ unsigned int modulusLen = pem_PublicModulusLen(key);
SECItem formatted;
SECItem unformatted;
formatted.data = NULL;
- if (max_output_len < modulus_len)
+ if (maxOutputLen < modulusLen)
goto failure;
PORT_Assert(key->keyType == pemLOWKEYRSAKey);
if (key->keyType != pemLOWKEYRSAKey)
goto failure;
- unformatted.len = input_len;
+ unformatted.len = inputLen;
unformatted.data = input;
formatted.data = NULL;
- rv = rsa_FormatBlock(&formatted, modulus_len, RSA_BlockRaw,
+ rv = rsa_FormatBlock(&formatted, modulusLen, RSA_BlockRaw,
&unformatted);
if (rv != SECSuccess)
goto failure;
@@ -880,7 +718,7 @@ RSA_EncryptRaw(NSSLOWKEYPublicKey * key,
goto failure;
nss_ZFreeIf(formatted.data);
- *output_len = modulus_len;
+ *outputLen = modulusLen;
return SECSuccess;
failure:
@@ -893,21 +731,21 @@ RSA_EncryptRaw(NSSLOWKEYPublicKey * key,
SECStatus
pem_RSA_DecryptRaw(pemLOWKEYPrivateKey * key,
unsigned char *output,
- unsigned int *output_len,
- unsigned int max_output_len,
- unsigned char *input, unsigned int input_len)
+ unsigned int *outputLen,
+ unsigned int maxOutputLen,
+ unsigned char *input, unsigned int inputLen)
{
SECStatus rv;
- unsigned int modulus_len = pem_PrivateModulusLen(key);
+ unsigned int modulusLen = pem_PrivateModulusLen(key);
- if (modulus_len <= 0)
+ if (modulusLen <= 0)
goto failure;
- if (modulus_len > max_output_len)
+ if (modulusLen > maxOutputLen)
goto failure;
PORT_Assert(key->keyType == pemLOWKEYRSAKey);
if (key->keyType != pemLOWKEYRSAKey)
goto failure;
- if (input_len != modulus_len)
+ if (inputLen != modulusLen)
goto failure;
rv = RSA_PrivateKeyOp(&key->u.rsa, output, input);
@@ -915,7 +753,7 @@ pem_RSA_DecryptRaw(pemLOWKEYPrivateKey *
goto failure;
} }
- *output_len = modulus_len;
+ *outputLen = modulusLen;
return SECSuccess;
failure: