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Diffstat (limited to 'src/lib/libcrypto/evp/p_verify.c')
-rw-r--r--src/lib/libcrypto/evp/p_verify.c73
1 files changed, 35 insertions, 38 deletions
diff --git a/src/lib/libcrypto/evp/p_verify.c b/src/lib/libcrypto/evp/p_verify.c
index c66d63ccf8..3b9b8ab7d6 100644
--- a/src/lib/libcrypto/evp/p_verify.c
+++ b/src/lib/libcrypto/evp/p_verify.c
@@ -5,21 +5,21 @@
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
@@ -62,24 +62,24 @@
62#include <openssl/objects.h> 62#include <openssl/objects.h>
63#include <openssl/x509.h> 63#include <openssl/x509.h>
64 64
65int EVP_VerifyFinal(EVP_MD_CTX *ctx, const unsigned char *sigbuf, 65int
66 unsigned int siglen, EVP_PKEY *pkey) 66EVP_VerifyFinal(EVP_MD_CTX *ctx, const unsigned char *sigbuf,
67 { 67 unsigned int siglen, EVP_PKEY *pkey)
68{
68 unsigned char m[EVP_MAX_MD_SIZE]; 69 unsigned char m[EVP_MAX_MD_SIZE];
69 unsigned int m_len; 70 unsigned int m_len;
70 int i = 0,ok = 0,v; 71 int i = 0, ok = 0, v;
71 EVP_MD_CTX tmp_ctx; 72 EVP_MD_CTX tmp_ctx;
72 EVP_PKEY_CTX *pkctx = NULL; 73 EVP_PKEY_CTX *pkctx = NULL;
73 74
74 EVP_MD_CTX_init(&tmp_ctx); 75 EVP_MD_CTX_init(&tmp_ctx);
75 if (!EVP_MD_CTX_copy_ex(&tmp_ctx,ctx)) 76 if (!EVP_MD_CTX_copy_ex(&tmp_ctx, ctx))
76 goto err; 77 goto err;
77 if (!EVP_DigestFinal_ex(&tmp_ctx,&(m[0]),&m_len)) 78 if (!EVP_DigestFinal_ex(&tmp_ctx, &(m[0]), &m_len))
78 goto err; 79 goto err;
79 EVP_MD_CTX_cleanup(&tmp_ctx); 80 EVP_MD_CTX_cleanup(&tmp_ctx);
80 81
81 if (ctx->digest->flags & EVP_MD_FLAG_PKEY_METHOD_SIGNATURE) 82 if (ctx->digest->flags & EVP_MD_FLAG_PKEY_METHOD_SIGNATURE) {
82 {
83 i = -1; 83 i = -1;
84 pkctx = EVP_PKEY_CTX_new(pkey, NULL); 84 pkctx = EVP_PKEY_CTX_new(pkey, NULL);
85 if (!pkctx) 85 if (!pkctx)
@@ -89,33 +89,30 @@ int EVP_VerifyFinal(EVP_MD_CTX *ctx, const unsigned char *sigbuf,
89 if (EVP_PKEY_CTX_set_signature_md(pkctx, ctx->digest) <= 0) 89 if (EVP_PKEY_CTX_set_signature_md(pkctx, ctx->digest) <= 0)
90 goto err; 90 goto err;
91 i = EVP_PKEY_verify(pkctx, sigbuf, siglen, m, m_len); 91 i = EVP_PKEY_verify(pkctx, sigbuf, siglen, m, m_len);
92 err: 92err:
93 EVP_PKEY_CTX_free(pkctx); 93 EVP_PKEY_CTX_free(pkctx);
94 return i; 94 return i;
95 } 95 }
96 96
97 for (i=0; i<4; i++) 97 for (i = 0; i < 4; i++) {
98 { 98 v = ctx->digest->required_pkey_type[i];
99 v=ctx->digest->required_pkey_type[i]; 99 if (v == 0)
100 if (v == 0) break; 100 break;
101 if (pkey->type == v) 101 if (pkey->type == v) {
102 { 102 ok = 1;
103 ok=1;
104 break; 103 break;
105 }
106 }
107 if (!ok)
108 {
109 EVPerr(EVP_F_EVP_VERIFYFINAL,EVP_R_WRONG_PUBLIC_KEY_TYPE);
110 return(-1);
111 }
112 if (ctx->digest->verify == NULL)
113 {
114 EVPerr(EVP_F_EVP_VERIFYFINAL,EVP_R_NO_VERIFY_FUNCTION_CONFIGURED);
115 return(0);
116 } 104 }
117 105 }
118 return(ctx->digest->verify(ctx->digest->type,m,m_len, 106 if (!ok) {
119 sigbuf,siglen,pkey->pkey.ptr)); 107 EVPerr(EVP_F_EVP_VERIFYFINAL, EVP_R_WRONG_PUBLIC_KEY_TYPE);
108 return (-1);
109 }
110 if (ctx->digest->verify == NULL) {
111 EVPerr(EVP_F_EVP_VERIFYFINAL,
112 EVP_R_NO_VERIFY_FUNCTION_CONFIGURED);
113 return (0);
120 } 114 }
121 115
116 return(ctx->digest->verify(ctx->digest->type, m, m_len,
117 sigbuf, siglen, pkey->pkey.ptr));
118}