unsigned char buf[256],*zz;
unsigned char key[EVP_MAX_KEY_LENGTH];
EVP_CIPHER_CTX ctx;
+ EVP_CIPHER_CTX_init(&ctx);
if (a == NULL) return(0);
i = strlen((char *)buf);
/* If the key is used for SGC the algorithm is modified a little. */
if(sgckey) {
- EVP_Digest(buf, i, buf, NULL, EVP_md5(), NULL);
+ if (!EVP_Digest(buf, i, buf, NULL, EVP_md5(), NULL))
+ goto err;
memcpy(buf + 16, "SGCKEYSALT", 10);
i = 26;
}
- EVP_BytesToKey(EVP_rc4(),EVP_md5(),NULL,buf,i,1,key,NULL);
+ if (!EVP_BytesToKey(EVP_rc4(),EVP_md5(),NULL,buf,i,1,key,NULL))
+ goto err;
OPENSSL_cleanse(buf,256);
/* Encrypt private key in place */
zz = enckey->enckey->digest->data;
- EVP_CIPHER_CTX_init(&ctx);
- EVP_EncryptInit_ex(&ctx,EVP_rc4(),NULL,key,NULL);
- EVP_EncryptUpdate(&ctx,zz,&i,zz,pkeylen);
- EVP_EncryptFinal_ex(&ctx,zz + i,&j);
- EVP_CIPHER_CTX_cleanup(&ctx);
+ if (!EVP_EncryptInit_ex(&ctx,EVP_rc4(),NULL,key,NULL))
+ goto err;
+ if (!EVP_EncryptUpdate(&ctx,zz,&i,zz,pkeylen))
+ goto err;
+ if (!EVP_EncryptFinal_ex(&ctx,zz + i,&j))
+ goto err;
ret = i2d_NETSCAPE_ENCRYPTED_PKEY(enckey, pp);
err:
+ EVP_CIPHER_CTX_cleanup(&ctx);
NETSCAPE_ENCRYPTED_PKEY_free(enckey);
NETSCAPE_PKEY_free(pkey);
return(ret);
int sgckey)
{
RSA *ret=NULL;
- const unsigned char *p, *kp;
+ const unsigned char *p;
NETSCAPE_ENCRYPTED_PKEY *enckey = NULL;
p = *pp;
ASN1err(ASN1_F_D2I_RSA_NET,ASN1_R_UNSUPPORTED_ENCRYPTION_ALGORITHM);
goto err;
}
- kp = enckey->enckey->digest->data;
if (cb == NULL)
cb=EVP_read_pw_string;
if ((ret=d2i_RSA_NET_2(a, enckey->enckey->digest,cb, sgckey)) == NULL) goto err;
const unsigned char *zz;
unsigned char key[EVP_MAX_KEY_LENGTH];
EVP_CIPHER_CTX ctx;
+ EVP_CIPHER_CTX_init(&ctx);
i=cb((char *)buf,256,"Enter Private Key password:",0);
if (i != 0)
i = strlen((char *)buf);
if(sgckey){
- EVP_Digest(buf, i, buf, NULL, EVP_md5(), NULL);
+ if (!EVP_Digest(buf, i, buf, NULL, EVP_md5(), NULL))
+ goto err;
memcpy(buf + 16, "SGCKEYSALT", 10);
i = 26;
}
- EVP_BytesToKey(EVP_rc4(),EVP_md5(),NULL,buf,i,1,key,NULL);
+ if (!EVP_BytesToKey(EVP_rc4(),EVP_md5(),NULL,buf,i,1,key,NULL))
+ goto err;
OPENSSL_cleanse(buf,256);
- EVP_CIPHER_CTX_init(&ctx);
- EVP_DecryptInit_ex(&ctx,EVP_rc4(),NULL, key,NULL);
- EVP_DecryptUpdate(&ctx,os->data,&i,os->data,os->length);
- EVP_DecryptFinal_ex(&ctx,&(os->data[i]),&j);
- EVP_CIPHER_CTX_cleanup(&ctx);
+ if (!EVP_DecryptInit_ex(&ctx,EVP_rc4(),NULL, key,NULL))
+ goto err;
+ if (!EVP_DecryptUpdate(&ctx,os->data,&i,os->data,os->length))
+ goto err;
+ if (!EVP_DecryptFinal_ex(&ctx,&(os->data[i]),&j))
+ goto err;
os->length=i+j;
zz=os->data;
goto err;
}
err:
+ EVP_CIPHER_CTX_cleanup(&ctx);
NETSCAPE_PKEY_free(pkey);
return(ret);
}