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Diffstat (limited to 'crypto/openssl/crypto/rsa/rsa_sign.c')
-rw-r--r--crypto/openssl/crypto/rsa/rsa_sign.c41
1 files changed, 24 insertions, 17 deletions
diff --git a/crypto/openssl/crypto/rsa/rsa_sign.c b/crypto/openssl/crypto/rsa/rsa_sign.c
index 31049b9..4ac2de3 100644
--- a/crypto/openssl/crypto/rsa/rsa_sign.c
+++ b/crypto/openssl/crypto/rsa/rsa_sign.c
@@ -62,21 +62,25 @@
#include <openssl/rsa.h>
#include <openssl/objects.h>
#include <openssl/x509.h>
+#include <openssl/engine.h>
/* Size of an SSL signature: MD5+SHA1 */
#define SSL_SIG_LENGTH 36
-int RSA_sign(int type, unsigned char *m, unsigned int m_len,
+int RSA_sign(int type, const unsigned char *m, unsigned int m_len,
unsigned char *sigret, unsigned int *siglen, RSA *rsa)
{
X509_SIG sig;
ASN1_TYPE parameter;
int i,j,ret=1;
- unsigned char *p,*s = NULL;
+ unsigned char *p, *tmps = NULL;
+ const unsigned char *s = NULL;
X509_ALGOR algor;
ASN1_OCTET_STRING digest;
- if(rsa->flags & RSA_FLAG_SIGN_VER)
- return rsa->meth->rsa_sign(type, m, m_len, sigret, siglen, rsa);
+ if((rsa->flags & RSA_FLAG_SIGN_VER)
+ && ENGINE_get_RSA(rsa->engine)->rsa_sign)
+ return ENGINE_get_RSA(rsa->engine)->rsa_sign(type,
+ m, m_len, sigret, siglen, rsa);
/* Special case: SSL signature, just check the length */
if(type == NID_md5_sha1) {
if(m_len != SSL_SIG_LENGTH) {
@@ -103,26 +107,27 @@ int RSA_sign(int type, unsigned char *m, unsigned int m_len,
sig.algor->parameter= &parameter;
sig.digest= &digest;
- sig.digest->data=m;
+ sig.digest->data=(unsigned char *)m; /* TMP UGLY CAST */
sig.digest->length=m_len;
i=i2d_X509_SIG(&sig,NULL);
}
j=RSA_size(rsa);
- if ((i-RSA_PKCS1_PADDING) > j)
+ if (i > (j-RSA_PKCS1_PADDING_SIZE))
{
RSAerr(RSA_F_RSA_SIGN,RSA_R_DIGEST_TOO_BIG_FOR_RSA_KEY);
return(0);
}
if(type != NID_md5_sha1) {
- s=(unsigned char *)OPENSSL_malloc((unsigned int)j+1);
- if (s == NULL)
+ tmps=(unsigned char *)OPENSSL_malloc((unsigned int)j+1);
+ if (tmps == NULL)
{
RSAerr(RSA_F_RSA_SIGN,ERR_R_MALLOC_FAILURE);
return(0);
}
- p=s;
+ p=tmps;
i2d_X509_SIG(&sig,&p);
+ s=tmps;
}
i=RSA_private_encrypt(i,s,sigret,rsa,RSA_PKCS1_PADDING);
if (i <= 0)
@@ -131,13 +136,13 @@ int RSA_sign(int type, unsigned char *m, unsigned int m_len,
*siglen=i;
if(type != NID_md5_sha1) {
- memset(s,0,(unsigned int)j+1);
- OPENSSL_free(s);
+ OPENSSL_cleanse(tmps,(unsigned int)j+1);
+ OPENSSL_free(tmps);
}
return(ret);
}
-int RSA_verify(int dtype, unsigned char *m, unsigned int m_len,
+int RSA_verify(int dtype, const unsigned char *m, unsigned int m_len,
unsigned char *sigbuf, unsigned int siglen, RSA *rsa)
{
int i,ret=0,sigtype;
@@ -150,8 +155,10 @@ int RSA_verify(int dtype, unsigned char *m, unsigned int m_len,
return(0);
}
- if(rsa->flags & RSA_FLAG_SIGN_VER)
- return rsa->meth->rsa_verify(dtype, m, m_len, sigbuf, siglen, rsa);
+ if((rsa->flags & RSA_FLAG_SIGN_VER)
+ && ENGINE_get_RSA(rsa->engine)->rsa_verify)
+ return ENGINE_get_RSA(rsa->engine)->rsa_verify(dtype,
+ m, m_len, sigbuf, siglen, rsa);
s=(unsigned char *)OPENSSL_malloc((unsigned int)siglen);
if (s == NULL)
@@ -193,9 +200,9 @@ int RSA_verify(int dtype, unsigned char *m, unsigned int m_len,
(sigtype == NID_md2WithRSAEncryption)))
{
/* ok, we will let it through */
- #if !defined(NO_STDIO) && !defined(WIN16)
+#if !defined(OPENSSL_NO_STDIO) && !defined(OPENSSL_SYS_WIN16)
fprintf(stderr,"signature has problems, re-make with post SSLeay045\n");
- #endif
+#endif
}
else
{
@@ -214,7 +221,7 @@ int RSA_verify(int dtype, unsigned char *m, unsigned int m_len,
}
err:
if (sig != NULL) X509_SIG_free(sig);
- memset(s,0,(unsigned int)siglen);
+ OPENSSL_cleanse(s,(unsigned int)siglen);
OPENSSL_free(s);
return(ret);
}
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