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-rw-r--r--crypto/evp/p_sign.c138
1 files changed, 66 insertions, 72 deletions
diff --git a/crypto/evp/p_sign.c b/crypto/evp/p_sign.c
index 8afb664306e9..1b9ba060d493 100644
--- a/crypto/evp/p_sign.c
+++ b/crypto/evp/p_sign.c
@@ -5,21 +5,21 @@
* This package is an SSL implementation written
* by Eric Young (eay@cryptsoft.com).
* The implementation was written so as to conform with Netscapes SSL.
- *
+ *
* This library is free for commercial and non-commercial use as long as
* the following conditions are aheared to. The following conditions
* apply to all code found in this distribution, be it the RC4, RSA,
* lhash, DES, etc., code; not just the SSL code. The SSL documentation
* included with this distribution is covered by the same copyright terms
* except that the holder is Tim Hudson (tjh@cryptsoft.com).
- *
+ *
* Copyright remains Eric Young's, and as such any Copyright notices in
* the code are not to be removed.
* If this package is used in a product, Eric Young should be given attribution
* as the author of the parts of the library used.
* This can be in the form of a textual message at program startup or
* in documentation (online or textual) provided with the package.
- *
+ *
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
@@ -34,10 +34,10 @@
* Eric Young (eay@cryptsoft.com)"
* The word 'cryptographic' can be left out if the rouines from the library
* being used are not cryptographic related :-).
- * 4. If you include any Windows specific code (or a derivative thereof) from
+ * 4. If you include any Windows specific code (or a derivative thereof) from
* the apps directory (application code) you must include an acknowledgement:
* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
- *
+ *
* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
@@ -49,7 +49,7 @@
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
- *
+ *
* The licence and distribution terms for any publically available version or
* derivative of this code cannot be changed. i.e. this code cannot simply be
* copied and put under another distribution licence
@@ -64,76 +64,70 @@
#ifdef undef
void EVP_SignInit(EVP_MD_CTX *ctx, EVP_MD *type)
- {
- EVP_DigestInit_ex(ctx,type);
- }
+{
+ EVP_DigestInit_ex(ctx, type);
+}
-void EVP_SignUpdate(EVP_MD_CTX *ctx, unsigned char *data,
- unsigned int count)
- {
- EVP_DigestUpdate(ctx,data,count);
- }
+void EVP_SignUpdate(EVP_MD_CTX *ctx, unsigned char *data, unsigned int count)
+{
+ EVP_DigestUpdate(ctx, data, count);
+}
#endif
-int EVP_SignFinal(EVP_MD_CTX *ctx, unsigned char *sigret, unsigned int *siglen,
- EVP_PKEY *pkey)
- {
- unsigned char m[EVP_MAX_MD_SIZE];
- unsigned int m_len;
- int i = 0,ok = 0,v;
- EVP_MD_CTX tmp_ctx;
- EVP_PKEY_CTX *pkctx = NULL;
-
- *siglen=0;
- EVP_MD_CTX_init(&tmp_ctx);
- if (!EVP_MD_CTX_copy_ex(&tmp_ctx,ctx))
- goto err;
- if (!EVP_DigestFinal_ex(&tmp_ctx,&(m[0]),&m_len))
- goto err;
- EVP_MD_CTX_cleanup(&tmp_ctx);
+int EVP_SignFinal(EVP_MD_CTX *ctx, unsigned char *sigret,
+ unsigned int *siglen, EVP_PKEY *pkey)
+{
+ unsigned char m[EVP_MAX_MD_SIZE];
+ unsigned int m_len;
+ int i = 0, ok = 0, v;
+ EVP_MD_CTX tmp_ctx;
+ EVP_PKEY_CTX *pkctx = NULL;
- if (ctx->digest->flags & EVP_MD_FLAG_PKEY_METHOD_SIGNATURE)
- {
- size_t sltmp = (size_t)EVP_PKEY_size(pkey);
- i = 0;
- pkctx = EVP_PKEY_CTX_new(pkey, NULL);
- if (!pkctx)
- goto err;
- if (EVP_PKEY_sign_init(pkctx) <= 0)
- goto err;
- if (EVP_PKEY_CTX_set_signature_md(pkctx, ctx->digest) <= 0)
- goto err;
- if (EVP_PKEY_sign(pkctx, sigret, &sltmp, m, m_len) <= 0)
- goto err;
- *siglen = sltmp;
- i = 1;
- err:
- EVP_PKEY_CTX_free(pkctx);
- return i;
- }
+ *siglen = 0;
+ EVP_MD_CTX_init(&tmp_ctx);
+ if (!EVP_MD_CTX_copy_ex(&tmp_ctx, ctx))
+ goto err;
+ if (!EVP_DigestFinal_ex(&tmp_ctx, &(m[0]), &m_len))
+ goto err;
+ EVP_MD_CTX_cleanup(&tmp_ctx);
- for (i=0; i<4; i++)
- {
- v=ctx->digest->required_pkey_type[i];
- if (v == 0) break;
- if (pkey->type == v)
- {
- ok=1;
- break;
- }
- }
- if (!ok)
- {
- EVPerr(EVP_F_EVP_SIGNFINAL,EVP_R_WRONG_PUBLIC_KEY_TYPE);
- return(0);
- }
+ if (ctx->digest->flags & EVP_MD_FLAG_PKEY_METHOD_SIGNATURE) {
+ size_t sltmp = (size_t)EVP_PKEY_size(pkey);
+ i = 0;
+ pkctx = EVP_PKEY_CTX_new(pkey, NULL);
+ if (!pkctx)
+ goto err;
+ if (EVP_PKEY_sign_init(pkctx) <= 0)
+ goto err;
+ if (EVP_PKEY_CTX_set_signature_md(pkctx, ctx->digest) <= 0)
+ goto err;
+ if (EVP_PKEY_sign(pkctx, sigret, &sltmp, m, m_len) <= 0)
+ goto err;
+ *siglen = sltmp;
+ i = 1;
+ err:
+ EVP_PKEY_CTX_free(pkctx);
+ return i;
+ }
- if (ctx->digest->sign == NULL)
- {
- EVPerr(EVP_F_EVP_SIGNFINAL,EVP_R_NO_SIGN_FUNCTION_CONFIGURED);
- return(0);
- }
- return(ctx->digest->sign(ctx->digest->type,m,m_len,sigret,siglen,
- pkey->pkey.ptr));
- }
+ for (i = 0; i < 4; i++) {
+ v = ctx->digest->required_pkey_type[i];
+ if (v == 0)
+ break;
+ if (pkey->type == v) {
+ ok = 1;
+ break;
+ }
+ }
+ if (!ok) {
+ EVPerr(EVP_F_EVP_SIGNFINAL, EVP_R_WRONG_PUBLIC_KEY_TYPE);
+ return (0);
+ }
+ if (ctx->digest->sign == NULL) {
+ EVPerr(EVP_F_EVP_SIGNFINAL, EVP_R_NO_SIGN_FUNCTION_CONFIGURED);
+ return (0);
+ }
+ return (ctx->digest->sign(ctx->digest->type, m, m_len, sigret, siglen,
+ pkey->pkey.ptr));
+}