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Diffstat (limited to 'src/lib/libcrypto/hmac/hmac.c')
-rw-r--r--src/lib/libcrypto/hmac/hmac.c29
1 files changed, 15 insertions, 14 deletions
diff --git a/src/lib/libcrypto/hmac/hmac.c b/src/lib/libcrypto/hmac/hmac.c
index 0c29156d80..975fc4d1ec 100644
--- a/src/lib/libcrypto/hmac/hmac.c
+++ b/src/lib/libcrypto/hmac/hmac.c
@@ -1,25 +1,25 @@
1/* $OpenBSD: hmac.c,v 1.19 2014/06/21 12:00:01 miod Exp $ */ 1/* $OpenBSD: hmac.c,v 1.20 2014/06/21 13:39:46 jsing Exp $ */
2/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) 2/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
3 * All rights reserved. 3 * All rights reserved.
4 * 4 *
5 * This package is an SSL implementation written 5 * This package is an SSL implementation written
6 * by Eric Young (eay@cryptsoft.com). 6 * by Eric Young (eay@cryptsoft.com).
7 * The implementation was written so as to conform with Netscapes SSL. 7 * The implementation was written so as to conform with Netscapes SSL.
8 * 8 *
9 * This library is free for commercial and non-commercial use as long as 9 * This library is free for commercial and non-commercial use as long as
10 * the following conditions are aheared to. The following conditions 10 * the following conditions are aheared to. The following conditions
11 * apply to all code found in this distribution, be it the RC4, RSA, 11 * apply to all code found in this distribution, be it the RC4, RSA,
12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation 12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation
13 * included with this distribution is covered by the same copyright terms 13 * included with this distribution is covered by the same copyright terms
14 * except that the holder is Tim Hudson (tjh@cryptsoft.com). 14 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
15 * 15 *
16 * Copyright remains Eric Young's, and as such any Copyright notices in 16 * Copyright remains Eric Young's, and as such any Copyright notices in
17 * the code are not to be removed. 17 * the code are not to be removed.
18 * If this package is used in a product, Eric Young should be given attribution 18 * If this package is used in a product, Eric Young should be given attribution
19 * as the author of the parts of the library used. 19 * as the author of the parts of the library used.
20 * This can be in the form of a textual message at program startup or 20 * This can be in the form of a textual message at program startup or
21 * in documentation (online or textual) provided with the package. 21 * in documentation (online or textual) provided with the package.
22 * 22 *
23 * Redistribution and use in source and binary forms, with or without 23 * Redistribution and use in source and binary forms, with or without
24 * modification, are permitted provided that the following conditions 24 * modification, are permitted provided that the following conditions
25 * are met: 25 * are met:
@@ -34,10 +34,10 @@
34 * Eric Young (eay@cryptsoft.com)" 34 * Eric Young (eay@cryptsoft.com)"
35 * The word 'cryptographic' can be left out if the rouines from the library 35 * The word 'cryptographic' can be left out if the rouines from the library
36 * being used are not cryptographic related :-). 36 * being used are not cryptographic related :-).
37 * 4. If you include any Windows specific code (or a derivative thereof) from 37 * 4. If you include any Windows specific code (or a derivative thereof) from
38 * the apps directory (application code) you must include an acknowledgement: 38 * the apps directory (application code) you must include an acknowledgement:
39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" 39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
40 * 40 *
41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND 41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
@@ -49,7 +49,7 @@
49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
51 * SUCH DAMAGE. 51 * SUCH DAMAGE.
52 * 52 *
53 * The licence and distribution terms for any publically available version or 53 * The licence and distribution terms for any publically available version or
54 * derivative of this code cannot be changed. i.e. this code cannot simply be 54 * derivative of this code cannot be changed. i.e. this code cannot simply be
55 * copied and put under another distribution licence 55 * copied and put under another distribution licence
@@ -84,17 +84,18 @@ HMAC_Init_ex(HMAC_CTX *ctx, const void *key, int len, const EVP_MD *md,
84 if (!EVP_DigestUpdate(&ctx->md_ctx, key, len)) 84 if (!EVP_DigestUpdate(&ctx->md_ctx, key, len))
85 goto err; 85 goto err;
86 if (!EVP_DigestFinal_ex(&(ctx->md_ctx), ctx->key, 86 if (!EVP_DigestFinal_ex(&(ctx->md_ctx), ctx->key,
87 &ctx->key_length)) 87 &ctx->key_length))
88 goto err; 88 goto err;
89 } else { 89 } else {
90 OPENSSL_assert(len>=0 && len<=(int)sizeof(ctx->key)); 90 OPENSSL_assert(len >= 0 &&
91 memcpy(ctx->key,key,len); 91 len <= (int)sizeof(ctx->key));
92 memcpy(ctx->key, key, len);
92 ctx->key_length = len; 93 ctx->key_length = len;
93 } 94 }
94 if (ctx->key_length != HMAC_MAX_MD_CBLOCK) 95 if (ctx->key_length != HMAC_MAX_MD_CBLOCK)
95 memset(&ctx->key[ctx->key_length], 0, 96 memset(&ctx->key[ctx->key_length], 0,
96 HMAC_MAX_MD_CBLOCK - ctx->key_length); 97 HMAC_MAX_MD_CBLOCK - ctx->key_length);
97 } 98 }
98 99
99 if (reset) { 100 if (reset) {
100 for (i = 0; i < HMAC_MAX_MD_CBLOCK; i++) 101 for (i = 0; i < HMAC_MAX_MD_CBLOCK; i++)
@@ -122,14 +123,14 @@ int
122HMAC_Init(HMAC_CTX *ctx, const void *key, int len, const EVP_MD *md) 123HMAC_Init(HMAC_CTX *ctx, const void *key, int len, const EVP_MD *md)
123{ 124{
124 if (key && md) 125 if (key && md)
125 HMAC_CTX_init(ctx); 126 HMAC_CTX_init(ctx);
126 return HMAC_Init_ex(ctx,key,len,md, NULL); 127 return HMAC_Init_ex(ctx, key, len, md, NULL);
127} 128}
128 129
129int 130int
130HMAC_Update(HMAC_CTX *ctx, const unsigned char *data, size_t len) 131HMAC_Update(HMAC_CTX *ctx, const unsigned char *data, size_t len)
131{ 132{
132 return EVP_DigestUpdate(&ctx->md_ctx,data,len); 133 return EVP_DigestUpdate(&ctx->md_ctx, data, len);
133} 134}
134 135
135int 136int