Sync up with changes made upstream for freebl and softoken
- 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
parent
569d439b91
commit
d2ef6540b5
@ -1,42 +1,10 @@
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diff -up ./nss/lib/ckfw/pem/rsawrapr.c.syncupwithupstream ./nss/lib/ckfw/pem/rsawrapr.c
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diff -up ./nss/lib/ckfw/pem/rsawrapr.c.syncupwithupstream ./nss/lib/ckfw/pem/rsawrapr.c
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--- ./nss/lib/ckfw/pem/rsawrapr.c.syncupwithupstream 2013-12-26 14:21:08.000000000 -0800
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--- ./nss/lib/ckfw/pem/rsawrapr.c.syncupwithupstream 2013-12-26 14:21:08.000000000 -0800
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+++ ./nss/lib/ckfw/pem/rsawrapr.c 2014-01-07 13:26:43.350502692 -0800
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+++ ./nss/lib/ckfw/pem/rsawrapr.c 2014-01-08 09:05:09.549718089 -0800
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@@ -1,5 +1,10 @@
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@@ -60,6 +60,21 @@
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+/* This Source Code Form is subject to the terms of the Mozilla Public
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+ * License, v. 2.0. If a copy of the MPL was not distributed with this
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+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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+
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/*
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- * PKCS#1 encoding and decoding functions.
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+ RSA PKCS#1 v2.1 (RFC 3447) encoding and decoding functions.
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+
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* This file is believed to contain no code licensed from other parties.
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*
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* ***** BEGIN LICENSE BLOCK *****
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@@ -42,21 +47,38 @@
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#include "ckpem.h"
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#define FLAT_BUFSIZE 512 /* bytes to hold flattened SHA1Context. */
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#include "blapi.h"
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+#include "secitem.h"
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+/*#include "blapii.h"*/
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+/*
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#include "softoken.h"
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#include "sechash.h"
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-#include "base.h"
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-
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+#include "base.h"#include "lowkeyi.h"
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+*/
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#include "secerr.h"
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#define RSA_BLOCK_MIN_PAD_LEN 8
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#define RSA_BLOCK_FIRST_OCTET 0x00
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-#define RSA_BLOCK_PRIVATE0_PAD_OCTET 0x00
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#define RSA_BLOCK_PRIVATE_PAD_OCTET 0xff
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#define RSA_BLOCK_AFTER_PAD_OCTET 0x00
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-#define OAEP_SALT_LEN 8
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-#define OAEP_PAD_LEN 8
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-#define OAEP_PAD_OCTET 0x00
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+/*
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+/*
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+ * RSA block types
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+ * RSA block types
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+ *
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+ *
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@ -52,217 +20,18 @@ diff -up ./nss/lib/ckfw/pem/rsawrapr.c.syncupwithupstream ./nss/lib/ckfw/pem/rsa
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+ RSA_BlockTotal
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+ RSA_BlockTotal
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+} RSA_BlockType;
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+} RSA_BlockType;
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+
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+
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+
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unsigned
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+/* Needed for RSA-PSS functions */
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pem_PublicModulusLen(NSSLOWKEYPublicKey *pubk)
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+static const unsigned char eightZeros[] = { 0, 0, 0, 0, 0, 0, 0, 0 };
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#define FLAT_BUFSIZE 512 /* bytes to hold flattened SHA1Context. */
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@@ -78,141 +100,62 @@ pem_PublicModulusLen(NSSLOWKEYPublicKey
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return 0;
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}
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-static SHA1Context *SHA1_CloneContext(SHA1Context * original)
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-{
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- SHA1Context *clone = NULL;
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- unsigned char *pBuf;
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- int sha1ContextSize = SHA1_FlattenSize(original);
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- SECStatus frv;
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- unsigned char buf[FLAT_BUFSIZE];
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-
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- PORT_Assert(sizeof buf >= sha1ContextSize);
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- if (sizeof buf >= sha1ContextSize) {
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- pBuf = buf;
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- } else {
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- pBuf = nss_ZAlloc(NULL, sha1ContextSize);
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- if (!pBuf)
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- goto done;
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- }
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-
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- frv = SHA1_Flatten(original, pBuf);
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- if (frv == SECSuccess) {
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- clone = SHA1_Resurrect(pBuf, NULL);
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- memset(pBuf, 0, sha1ContextSize);
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- }
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- done:
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- if (pBuf != buf)
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- nss_ZFreeIf(pBuf);
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- return clone;
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+/* Constant time comparison of a single byte.
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+ * Returns 1 iff a == b, otherwise returns 0.
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+ * Note: For ranges of bytes, use constantTimeCompare.
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+ */
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+static unsigned char constantTimeEQ8(unsigned char a, unsigned char b) {
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+ unsigned char c = ~((a - b) | (b - a));
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+ c >>= 7;
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+ return c;
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}
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-/*
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- * Modify data by XORing it with a special hash of salt.
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+/* Constant time comparison of a range of bytes.
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+ * Returns 1 iff len bytes of a are identical to len bytes of b, otherwise
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+ * returns 0.
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*/
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-static SECStatus
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-oaep_xor_with_h1(unsigned char *data, unsigned int datalen,
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- unsigned char *salt, unsigned int saltlen)
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-{
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- SHA1Context *sha1cx;
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- unsigned char *dp, *dataend;
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- unsigned char end_octet;
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-
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- sha1cx = SHA1_NewContext();
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- if (sha1cx == NULL) {
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- return SECFailure;
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- }
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-
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- /*
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- * Get a hash of salt started; we will use it several times,
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- * adding in a different end octet (x00, x01, x02, ...).
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- */
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- SHA1_Begin(sha1cx);
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- SHA1_Update(sha1cx, salt, saltlen);
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- end_octet = 0;
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-
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- dp = data;
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- dataend = data + datalen;
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-
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- while (dp < dataend) {
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- SHA1Context *sha1cx_h1;
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- unsigned int sha1len, sha1off;
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- unsigned char sha1[SHA1_LENGTH];
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-
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- /*
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- * Create hash of (salt || end_octet)
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- */
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- sha1cx_h1 = SHA1_CloneContext(sha1cx);
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- SHA1_Update(sha1cx_h1, &end_octet, 1);
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- SHA1_End(sha1cx_h1, sha1, &sha1len, sizeof(sha1));
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- SHA1_DestroyContext(sha1cx_h1, PR_TRUE);
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- PORT_Assert(sha1len == SHA1_LENGTH);
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-
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- /*
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- * XOR that hash with the data.
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- * When we have fewer than SHA1_LENGTH octets of data
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- * left to xor, use just the low-order ones of the hash.
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- */
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- sha1off = 0;
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- if ((dataend - dp) < SHA1_LENGTH)
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- sha1off = SHA1_LENGTH - (dataend - dp);
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- while (sha1off < SHA1_LENGTH)
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- *dp++ ^= sha1[sha1off++];
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-
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- /*
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- * Bump for next hash chunk.
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- */
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- end_octet++;
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- }
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-
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- SHA1_DestroyContext(sha1cx, PR_TRUE);
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- return SECSuccess;
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+static unsigned char constantTimeCompare(const unsigned char *a,
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+ const unsigned char *b,
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+ unsigned int len) {
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+ unsigned char tmp = 0;
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+ unsigned int i;
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+ for (i = 0; i < len; ++i, ++a, ++b)
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+ tmp |= *a ^ *b;
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+ return constantTimeEQ8(0x00, tmp);
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}
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-/*
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- * Modify salt by XORing it with a special hash of data.
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+/* Constant time conditional.
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+ * Returns a if c is 1, or b if c is 0. The result is undefined if c is
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+ * not 0 or 1.
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*/
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-static SECStatus
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-oaep_xor_with_h2(unsigned char *salt, unsigned int saltlen,
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- unsigned char *data, unsigned int datalen)
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+static unsigned int constantTimeCondition(unsigned int c,
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+ unsigned int a,
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+ unsigned int b)
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{
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{
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- unsigned char sha1[SHA1_LENGTH];
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@@ -233,7 +248,6 @@ static unsigned char *rsa_FormatOneBlock
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- unsigned char *psalt, *psha1, *saltend;
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- SECStatus rv;
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-
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- /*
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- * Create a hash of data.
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- */
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- rv = SHA1_HashBuf(sha1, data, datalen);
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- if (rv != SECSuccess) {
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- return rv;
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- }
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-
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- /*
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- * XOR the low-order octets of that hash with salt.
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- */
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- PORT_Assert(saltlen <= SHA1_LENGTH);
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- saltend = salt + saltlen;
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- psalt = salt;
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- psha1 = sha1 + SHA1_LENGTH - saltlen;
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- while (psalt < saltend) {
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- *psalt++ ^= *psha1++;
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- }
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+ return (~(c - 1) & a) | ((c - 1) & b);
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+}
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- return SECSuccess;
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+static unsigned int
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+rsa_modulusLen(SECItem * modulus)
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+{
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+ unsigned char byteZero = modulus->data[0];
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+ unsigned int modLen = modulus->len - !byteZero;
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+ return modLen;
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}
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/*
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/*
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* Format one block of data for public/private key encryption using
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* Blocks intended for private-key operation.
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* the rules defined in PKCS #1.
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*/
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*/
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-static unsigned char *rsa_FormatOneBlock(unsigned modulusLen,
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- RSA_BlockType blockType,
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- SECItem * data)
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+static unsigned char *
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+rsa_FormatOneBlock(unsigned modulusLen,
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+ RSA_BlockType blockType,
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+ SECItem * data)
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{
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unsigned char *block;
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unsigned char *bp;
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int padLen;
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- int i;
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+ int i, j;
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SECStatus rv;
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block = (unsigned char *) nss_ZAlloc(NULL, modulusLen);
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@@ -223,18 +166,17 @@ static unsigned char *rsa_FormatOneBlock
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/*
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* All RSA blocks start with two octets:
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- * 0x00 || BlockType
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+ * 0x00 || BlockType
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*/
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*bp++ = RSA_BLOCK_FIRST_OCTET;
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*bp++ = (unsigned char) blockType;
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switch (blockType) {
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- /*
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- * Blocks intended for private-key operation.
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- */
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- case RSA_BlockPrivate0: /* essentially unused */
|
- case RSA_BlockPrivate0: /* essentially unused */
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- case RSA_BlockPrivate: /* preferred method */
|
case RSA_BlockPrivate: /* preferred method */
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+ /*
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+ * Blocks intended for private-key operation.
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+ */
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+ case RSA_BlockPrivate: /* preferred method */
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/*
|
/*
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* 0x00 || BT || Pad || 0x00 || ActualData
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* 0x00 || BT || Pad || 0x00 || ActualData
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* 1 1 padLen 1 data->len
|
@@ -246,10 +260,7 @@ static unsigned char *rsa_FormatOneBlock
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@@ -246,138 +188,69 @@ static unsigned char *rsa_FormatOneBlock
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nss_ZFreeIf(block);
|
nss_ZFreeIf(block);
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return NULL;
|
return NULL;
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}
|
}
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@ -274,41 +43,10 @@ diff -up ./nss/lib/ckfw/pem/rsawrapr.c.syncupwithupstream ./nss/lib/ckfw/pem/rsa
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bp += padLen;
|
bp += padLen;
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*bp++ = RSA_BLOCK_AFTER_PAD_OCTET;
|
*bp++ = RSA_BLOCK_AFTER_PAD_OCTET;
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nsslibc_memcpy(bp, data->data, data->len);
|
nsslibc_memcpy(bp, data->data, data->len);
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|
@@ -288,97 +299,6 @@ static unsigned char *rsa_FormatOneBlock
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break;
|
break;
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- /*
|
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- * Blocks intended for public-key operation.
|
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- */
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- case RSA_BlockPublic:
|
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-
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- /*
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- * 0x00 || BT || Pad || 0x00 || ActualData
|
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- * 1 1 padLen 1 data->len
|
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- * Pad is all non-zero random bytes.
|
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- */
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- padLen = modulusLen - data->len - 3;
|
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- PORT_Assert(padLen >= RSA_BLOCK_MIN_PAD_LEN);
|
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- if (padLen < RSA_BLOCK_MIN_PAD_LEN) {
|
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- nss_ZFreeIf(block);
|
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- return NULL;
|
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- }
|
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- for (i = 0; i < padLen; i++) {
|
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- /* Pad with non-zero random data. */
|
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- do {
|
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- rv = RNG_GenerateGlobalRandomBytes(bp + i, 1);
|
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||||||
- } while (rv == SECSuccess
|
|
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- && bp[i] == RSA_BLOCK_AFTER_PAD_OCTET);
|
|
||||||
- if (rv != SECSuccess) {
|
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- nss_ZFreeIf(block);
|
|
||||||
- return NULL;
|
|
||||||
- }
|
|
||||||
- }
|
|
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- bp += padLen;
|
|
||||||
- *bp++ = RSA_BLOCK_AFTER_PAD_OCTET;
|
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- nsslibc_memcpy(bp, data->data, data->len);
|
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||||||
-
|
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- 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:
|
|
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+
|
|
||||||
+ /*
|
|
||||||
+ * 0x00 || BT || Pad || 0x00 || ActualData
|
|
||||||
+ * 1 1 padLen 1 data->len
|
|
||||||
+ * Pad is all non-zero random bytes.
|
|
||||||
+ *
|
|
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+ * 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:
|
|
||||||
|
|||||||
Loading…
Reference in New Issue
Block a user