make update
[openssl.git] / crypto / pkcs12 / p12_crpt.c
index 8a6fedaeab818a10a92d1deee0d2a32f10d272b8..e7d5ac9f6bd7317504b22b6091db8ce96bd173a0 100644 (file)
@@ -1,6 +1,7 @@
 /* p12_crpt.c */
-/* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL
- * project 1999.
+/*
+ * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project
+ * 1999.
  */
 /* ====================================================================
  * Copyright (c) 1999 The OpenSSL Project.  All rights reserved.
@@ -10,7 +11,7 @@
  * are met:
  *
  * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer. 
+ *    notice, this list of conditions and the following disclaimer.
  *
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in
  */
 
 #include <stdio.h>
-#include "cryptlib.h"
-#include "pkcs12.h"
+#include "internal/cryptlib.h"
+#include <openssl/pkcs12.h>
 
-/* PKCS#12 specific PBE functions */
+/* PKCS#12 PBE algorithms now in static table */
 
 void PKCS12_PBE_add(void)
 {
-EVP_PBE_alg_add(NID_pbe_WithSHA1And128BitRC4, EVP_rc4(), EVP_sha1(),
-                                                        PKCS12_PBE_keyivgen);
-EVP_PBE_alg_add(NID_pbe_WithSHA1And40BitRC4, EVP_rc4_40(), EVP_sha1(),
-                                                        PKCS12_PBE_keyivgen);
-EVP_PBE_alg_add(NID_pbe_WithSHA1And3_Key_TripleDES_CBC,
-                       EVP_des_ede3_cbc(), EVP_sha1(), PKCS12_PBE_keyivgen);
-EVP_PBE_alg_add(NID_pbe_WithSHA1And2_Key_TripleDES_CBC, 
-                       EVP_des_ede_cbc(), EVP_sha1(), PKCS12_PBE_keyivgen);
-EVP_PBE_alg_add(NID_pbe_WithSHA1And128BitRC2_CBC, EVP_rc2_cbc(),
-                                       EVP_sha1(), PKCS12_PBE_keyivgen);
-EVP_PBE_alg_add(NID_pbe_WithSHA1And40BitRC2_CBC, EVP_rc2_40_cbc(),
-                                       EVP_sha1(), PKCS12_PBE_keyivgen);
 }
 
-int PKCS12_PBE_keyivgen (const char *pass, int passlen, unsigned char *salt,
-            int saltlen, int iter, EVP_CIPHER *cipher, EVP_MD *md,
-            unsigned char *key, unsigned char *iv)
+int PKCS12_PBE_keyivgen(EVP_CIPHER_CTX *ctx, const char *pass, int passlen,
+                        ASN1_TYPE *param, const EVP_CIPHER *cipher,
+                        const EVP_MD *md, int en_de)
 {
-       if (!PKCS12_key_gen (pass, passlen, salt, saltlen, PKCS12_KEY_ID,
-                            iter, EVP_CIPHER_key_length(cipher), key, md)) {
-               PKCS12err(PKCS12_F_PKCS12_PBE_KEYIVGEN,PKCS12_R_KEY_GEN_ERROR);
-               return 0;
-       }
-       if (!PKCS12_key_gen (pass, passlen, salt, saltlen, PKCS12_IV_ID,
-                               iter, EVP_CIPHER_iv_length(cipher), iv, md)) {
-               PKCS12err(PKCS12_F_PKCS12_PBE_KEYIVGEN,PKCS12_R_IV_GEN_ERROR);
-               return 0;
-       }
-       return 1;
+    PBEPARAM *pbe;
+    int saltlen, iter, ret;
+    unsigned char *salt;
+    unsigned char key[EVP_MAX_KEY_LENGTH], iv[EVP_MAX_IV_LENGTH];
+
+    if (cipher == NULL)
+        return 0;
+
+    /* Extract useful info from parameter */
+
+    pbe = ASN1_TYPE_unpack_sequence(ASN1_ITEM_rptr(PBEPARAM), param);
+    if (pbe == NULL) {
+        PKCS12err(PKCS12_F_PKCS12_PBE_KEYIVGEN, PKCS12_R_DECODE_ERROR);
+        return 0;
+    }
+
+    if (!pbe->iter)
+        iter = 1;
+    else
+        iter = ASN1_INTEGER_get(pbe->iter);
+    salt = pbe->salt->data;
+    saltlen = pbe->salt->length;
+    if (!PKCS12_key_gen(pass, passlen, salt, saltlen, PKCS12_KEY_ID,
+                        iter, EVP_CIPHER_key_length(cipher), key, md)) {
+        PKCS12err(PKCS12_F_PKCS12_PBE_KEYIVGEN, PKCS12_R_KEY_GEN_ERROR);
+        PBEPARAM_free(pbe);
+        return 0;
+    }
+    if (!PKCS12_key_gen(pass, passlen, salt, saltlen, PKCS12_IV_ID,
+                        iter, EVP_CIPHER_iv_length(cipher), iv, md)) {
+        PKCS12err(PKCS12_F_PKCS12_PBE_KEYIVGEN, PKCS12_R_IV_GEN_ERROR);
+        PBEPARAM_free(pbe);
+        return 0;
+    }
+    PBEPARAM_free(pbe);
+    ret = EVP_CipherInit_ex(ctx, cipher, NULL, key, iv, en_de);
+    OPENSSL_cleanse(key, EVP_MAX_KEY_LENGTH);
+    OPENSSL_cleanse(iv, EVP_MAX_IV_LENGTH);
+    return ret;
 }