derick          Sun Mar 30 17:25:22 2003 EDT

  Modified files:              
    /php4/ext/openssl   openssl.c 
  Log:
  - Added optional parameter to openssl_sign() to specify the hashing
    algorithm to use. (Patch by Scott <[EMAIL PROTECTED]>)
  @- Added optional parameter to openssl_sign() to specify the hashing
  @  algorithm to use. ([EMAIL PROTECTED], Derick)
  
  
Index: php4/ext/openssl/openssl.c
diff -u php4/ext/openssl/openssl.c:1.70 php4/ext/openssl/openssl.c:1.71
--- php4/ext/openssl/openssl.c:1.70     Sat Mar 15 08:29:34 2003
+++ php4/ext/openssl/openssl.c  Sun Mar 30 17:25:22 2003
@@ -18,7 +18,7 @@
    +----------------------------------------------------------------------+
  */
 
-/* $Id: openssl.c,v 1.70 2003/03/15 13:29:34 wez Exp $ */
+/* $Id: openssl.c,v 1.71 2003/03/30 22:25:22 derick Exp $ */
 
 #ifdef HAVE_CONFIG_H
 #include "config.h"
@@ -45,6 +45,10 @@
 #define DEFAULT_KEY_LENGTH     512
 #define MIN_KEY_LENGTH         384
 
+#define OPENSSL_ALGO_SHA1      1
+#define OPENSSL_ALGO_MD5       2
+#define OPENSSL_ALGO_MD4       3
+#define OPENSSL_ALGO_MD2       4
 
 #define DEBUG_SMIME    0
 
@@ -565,6 +569,12 @@
        REGISTER_LONG_CONSTANT("X509_PURPOSE_ANY", X509_PURPOSE_ANY, 
CONST_CS|CONST_PERSISTENT);
 #endif
 
+       /* signature algotithm constants */
+       REGISTER_LONG_CONSTANT("OPENSSL_ALGO_SHA1", OPENSSL_ALGO_SHA1, 
CONST_CS|CONST_PERSISTENT);
+       REGISTER_LONG_CONSTANT("OPENSSL_ALGO_MD5", OPENSSL_ALGO_MD5, 
CONST_CS|CONST_PERSISTENT);
+       REGISTER_LONG_CONSTANT("OPENSSL_ALGO_MD4", OPENSSL_ALGO_MD4, 
CONST_CS|CONST_PERSISTENT);
+       REGISTER_LONG_CONSTANT("OPENSSL_ALGO_MD2", OPENSSL_ALGO_MD2, 
CONST_CS|CONST_PERSISTENT);
+       
        /* flags for S/MIME */
        REGISTER_LONG_CONSTANT("PKCS7_DETACHED", PKCS7_DETACHED, 
CONST_CS|CONST_PERSISTENT);
        REGISTER_LONG_CONSTANT("PKCS7_TEXT", PKCS7_TEXT, CONST_CS|CONST_PERSISTENT);
@@ -2795,8 +2805,10 @@
        long keyresource = -1;
        char * data;    int data_len;
        EVP_MD_CTX md_ctx;
+       long signature_algo = OPENSSL_ALGO_SHA1;
+       EVP_MD *mdtype;
 
-       if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "szz", &data, &data_len, 
&signature, &key) == FAILURE) {
+       if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "szz|l", &data, 
&data_len, &signature, &key, &signature_algo) == FAILURE) {
                return;
        }
        pkey = php_openssl_evp_from_zval(&key, 0, "", 0, &keyresource TSRMLS_CC);
@@ -2808,7 +2820,22 @@
        siglen = EVP_PKEY_size(pkey);
        sigbuf = emalloc(siglen + 1);
 
-       EVP_SignInit(&md_ctx, EVP_sha1());
+       switch (signature_algo) {
+               case OPENSSL_ALGO_SHA1:
+                       mdtype = EVP_sha1();
+                       break;
+               case OPENSSL_ALGO_MD5:
+                       mdtype = EVP_md5();
+                       break;
+               case OPENSSL_ALGO_MD4:
+                       mdtype = EVP_md4();
+                       break;
+               case OPENSSL_ALGO_MD2:
+                       mdtype = EVP_md2();
+                       break;
+       }
+       
+       EVP_SignInit(&md_ctx, mdtype);
        EVP_SignUpdate(&md_ctx, data, data_len);
        if (EVP_SignFinal (&md_ctx, sigbuf, &siglen, pkey)) {
                zval_dtor(signature);



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