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Diffstat (limited to 'src/lib/libcrypto/evp/p_sign.c')
-rw-r--r--src/lib/libcrypto/evp/p_sign.c94
1 files changed, 46 insertions, 48 deletions
diff --git a/src/lib/libcrypto/evp/p_sign.c b/src/lib/libcrypto/evp/p_sign.c
index 8afb664306..b064ec5fb5 100644
--- a/src/lib/libcrypto/evp/p_sign.c
+++ b/src/lib/libcrypto/evp/p_sign.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
@@ -63,37 +63,39 @@
63#include <openssl/x509.h> 63#include <openssl/x509.h>
64 64
65#ifdef undef 65#ifdef undef
66void EVP_SignInit(EVP_MD_CTX *ctx, EVP_MD *type) 66void
67 { 67EVP_SignInit(EVP_MD_CTX *ctx, EVP_MD *type)
68 EVP_DigestInit_ex(ctx,type); 68{
69 } 69 EVP_DigestInit_ex(ctx, type);
70}
70 71
71void EVP_SignUpdate(EVP_MD_CTX *ctx, unsigned char *data, 72void
72 unsigned int count) 73EVP_SignUpdate(EVP_MD_CTX *ctx, unsigned char *data,
73 { 74 unsigned int count)
74 EVP_DigestUpdate(ctx,data,count); 75{
75 } 76 EVP_DigestUpdate(ctx, data, count);
77}
76#endif 78#endif
77 79
78int EVP_SignFinal(EVP_MD_CTX *ctx, unsigned char *sigret, unsigned int *siglen, 80int
79 EVP_PKEY *pkey) 81EVP_SignFinal(EVP_MD_CTX *ctx, unsigned char *sigret, unsigned int *siglen,
80 { 82 EVP_PKEY *pkey)
83{
81 unsigned char m[EVP_MAX_MD_SIZE]; 84 unsigned char m[EVP_MAX_MD_SIZE];
82 unsigned int m_len; 85 unsigned int m_len;
83 int i = 0,ok = 0,v; 86 int i = 0, ok = 0, v;
84 EVP_MD_CTX tmp_ctx; 87 EVP_MD_CTX tmp_ctx;
85 EVP_PKEY_CTX *pkctx = NULL; 88 EVP_PKEY_CTX *pkctx = NULL;
86 89
87 *siglen=0; 90 *siglen = 0;
88 EVP_MD_CTX_init(&tmp_ctx); 91 EVP_MD_CTX_init(&tmp_ctx);
89 if (!EVP_MD_CTX_copy_ex(&tmp_ctx,ctx)) 92 if (!EVP_MD_CTX_copy_ex(&tmp_ctx, ctx))
90 goto err; 93 goto err;
91 if (!EVP_DigestFinal_ex(&tmp_ctx,&(m[0]),&m_len)) 94 if (!EVP_DigestFinal_ex(&tmp_ctx, &(m[0]), &m_len))
92 goto err; 95 goto err;
93 EVP_MD_CTX_cleanup(&tmp_ctx); 96 EVP_MD_CTX_cleanup(&tmp_ctx);
94 97
95 if (ctx->digest->flags & EVP_MD_FLAG_PKEY_METHOD_SIGNATURE) 98 if (ctx->digest->flags & EVP_MD_FLAG_PKEY_METHOD_SIGNATURE) {
96 {
97 size_t sltmp = (size_t)EVP_PKEY_size(pkey); 99 size_t sltmp = (size_t)EVP_PKEY_size(pkey);
98 i = 0; 100 i = 0;
99 pkctx = EVP_PKEY_CTX_new(pkey, NULL); 101 pkctx = EVP_PKEY_CTX_new(pkey, NULL);
@@ -107,33 +109,29 @@ int EVP_SignFinal(EVP_MD_CTX *ctx, unsigned char *sigret, unsigned int *siglen,
107 goto err; 109 goto err;
108 *siglen = sltmp; 110 *siglen = sltmp;
109 i = 1; 111 i = 1;
110 err: 112err:
111 EVP_PKEY_CTX_free(pkctx); 113 EVP_PKEY_CTX_free(pkctx);
112 return i; 114 return i;
113 } 115 }
114 116
115 for (i=0; i<4; i++) 117 for (i = 0; i < 4; i++) {
116 { 118 v = ctx->digest->required_pkey_type[i];
117 v=ctx->digest->required_pkey_type[i]; 119 if (v == 0)
118 if (v == 0) break; 120 break;
119 if (pkey->type == v) 121 if (pkey->type == v) {
120 { 122 ok = 1;
121 ok=1;
122 break; 123 break;
123 }
124 }
125 if (!ok)
126 {
127 EVPerr(EVP_F_EVP_SIGNFINAL,EVP_R_WRONG_PUBLIC_KEY_TYPE);
128 return(0);
129 }
130
131 if (ctx->digest->sign == NULL)
132 {
133 EVPerr(EVP_F_EVP_SIGNFINAL,EVP_R_NO_SIGN_FUNCTION_CONFIGURED);
134 return(0);
135 } 124 }
136 return(ctx->digest->sign(ctx->digest->type,m,m_len,sigret,siglen, 125 }
137 pkey->pkey.ptr)); 126 if (!ok) {
127 EVPerr(EVP_F_EVP_SIGNFINAL, EVP_R_WRONG_PUBLIC_KEY_TYPE);
128 return (0);
138 } 129 }
139 130
131 if (ctx->digest->sign == NULL) {
132 EVPerr(EVP_F_EVP_SIGNFINAL, EVP_R_NO_SIGN_FUNCTION_CONFIGURED);
133 return (0);
134 }
135 return(ctx->digest->sign(ctx->digest->type, m,m_len, sigret, siglen,
136 pkey->pkey.ptr));
137}