* 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:
* 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
* 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
#include <openssl/x509.h>
int RSA_sign_ASN1_OCTET_STRING(int type,
- const unsigned char *m, unsigned int m_len,
- unsigned char *sigret, unsigned int *siglen, RSA *rsa)
- {
- ASN1_OCTET_STRING sig;
- int i,j,ret=1;
- unsigned char *p,*s;
+ const unsigned char *m, unsigned int m_len,
+ unsigned char *sigret, unsigned int *siglen,
+ RSA *rsa)
+{
+ ASN1_OCTET_STRING sig;
+ int i, j, ret = 1;
+ unsigned char *p, *s;
- sig.type=V_ASN1_OCTET_STRING;
- sig.length=m_len;
- sig.data=(unsigned char *)m;
+ sig.type = V_ASN1_OCTET_STRING;
+ sig.length = m_len;
+ sig.data = (unsigned char *)m;
- i=i2d_ASN1_OCTET_STRING(&sig,NULL);
- j=RSA_size(rsa);
- if (i > (j-RSA_PKCS1_PADDING_SIZE))
- {
- RSAerr(RSA_F_RSA_SIGN_ASN1_OCTET_STRING,RSA_R_DIGEST_TOO_BIG_FOR_RSA_KEY);
- return(0);
- }
- s=(unsigned char *)OPENSSL_malloc((unsigned int)j+1);
- if (s == NULL)
- {
- RSAerr(RSA_F_RSA_SIGN_ASN1_OCTET_STRING,ERR_R_MALLOC_FAILURE);
- return(0);
- }
- p=s;
- i2d_ASN1_OCTET_STRING(&sig,&p);
- i=RSA_private_encrypt(i,s,sigret,rsa,RSA_PKCS1_PADDING);
- if (i <= 0)
- ret=0;
- else
- *siglen=i;
+ i = i2d_ASN1_OCTET_STRING(&sig, NULL);
+ j = RSA_size(rsa);
+ if (i > (j - RSA_PKCS1_PADDING_SIZE)) {
+ RSAerr(RSA_F_RSA_SIGN_ASN1_OCTET_STRING,
+ RSA_R_DIGEST_TOO_BIG_FOR_RSA_KEY);
+ return (0);
+ }
+ s = (unsigned char *)OPENSSL_malloc((unsigned int)j + 1);
+ if (s == NULL) {
+ RSAerr(RSA_F_RSA_SIGN_ASN1_OCTET_STRING, ERR_R_MALLOC_FAILURE);
+ return (0);
+ }
+ p = s;
+ i2d_ASN1_OCTET_STRING(&sig, &p);
+ i = RSA_private_encrypt(i, s, sigret, rsa, RSA_PKCS1_PADDING);
+ if (i <= 0)
+ ret = 0;
+ else
+ *siglen = i;
- OPENSSL_cleanse(s,(unsigned int)j+1);
- OPENSSL_free(s);
- return(ret);
- }
+ OPENSSL_cleanse(s, (unsigned int)j + 1);
+ OPENSSL_free(s);
+ return (ret);
+}
int RSA_verify_ASN1_OCTET_STRING(int dtype,
- const unsigned char *m,
- unsigned int m_len, unsigned char *sigbuf, unsigned int siglen,
- RSA *rsa)
- {
- int i,ret=0;
- unsigned char *s;
- const unsigned char *p;
- ASN1_OCTET_STRING *sig=NULL;
-
- if (siglen != (unsigned int)RSA_size(rsa))
- {
- RSAerr(RSA_F_RSA_VERIFY_ASN1_OCTET_STRING,RSA_R_WRONG_SIGNATURE_LENGTH);
- return(0);
- }
+ const unsigned char *m,
+ unsigned int m_len, unsigned char *sigbuf,
+ unsigned int siglen, RSA *rsa)
+{
+ int i, ret = 0;
+ unsigned char *s;
+ const unsigned char *p;
+ ASN1_OCTET_STRING *sig = NULL;
- s=(unsigned char *)OPENSSL_malloc((unsigned int)siglen);
- if (s == NULL)
- {
- RSAerr(RSA_F_RSA_VERIFY_ASN1_OCTET_STRING,ERR_R_MALLOC_FAILURE);
- goto err;
- }
- i=RSA_public_decrypt((int)siglen,sigbuf,s,rsa,RSA_PKCS1_PADDING);
+ if (siglen != (unsigned int)RSA_size(rsa)) {
+ RSAerr(RSA_F_RSA_VERIFY_ASN1_OCTET_STRING,
+ RSA_R_WRONG_SIGNATURE_LENGTH);
+ return (0);
+ }
- if (i <= 0) goto err;
+ s = (unsigned char *)OPENSSL_malloc((unsigned int)siglen);
+ if (s == NULL) {
+ RSAerr(RSA_F_RSA_VERIFY_ASN1_OCTET_STRING, ERR_R_MALLOC_FAILURE);
+ goto err;
+ }
+ i = RSA_public_decrypt((int)siglen, sigbuf, s, rsa, RSA_PKCS1_PADDING);
- p=s;
- sig=d2i_ASN1_OCTET_STRING(NULL,&p,(long)i);
- if (sig == NULL) goto err;
+ if (i <= 0)
+ goto err;
- if ( ((unsigned int)sig->length != m_len) ||
- (memcmp(m,sig->data,m_len) != 0))
- {
- RSAerr(RSA_F_RSA_VERIFY_ASN1_OCTET_STRING,RSA_R_BAD_SIGNATURE);
- }
- else
- ret=1;
-err:
- if (sig != NULL) M_ASN1_OCTET_STRING_free(sig);
- if (s != NULL)
- {
- OPENSSL_cleanse(s,(unsigned int)siglen);
- OPENSSL_free(s);
- }
- return(ret);
- }
+ p = s;
+ sig = d2i_ASN1_OCTET_STRING(NULL, &p, (long)i);
+ if (sig == NULL)
+ goto err;
+ if (((unsigned int)sig->length != m_len) ||
+ (memcmp(m, sig->data, m_len) != 0)) {
+ RSAerr(RSA_F_RSA_VERIFY_ASN1_OCTET_STRING, RSA_R_BAD_SIGNATURE);
+ } else
+ ret = 1;
+ err:
+ if (sig != NULL)
+ M_ASN1_OCTET_STRING_free(sig);
+ if (s != NULL) {
+ OPENSSL_cleanse(s, (unsigned int)siglen);
+ OPENSSL_free(s);
+ }
+ return (ret);
+}
projects / openssl.git / blobdiff