Add PKCS#5 v1.5 compatible algorithms and initial PKCS#8 support. PKCS#8 needs

more work: need an application and make the private key routines automatically
handle PKCS#8.

diff --git a/CHANGES b/CHANGES
index c762dc68e685000e220ebb99c8f2f18c00292d20..3fd4e4b00c361f7bd51889215badfaae57d8c450 100644 (file)
--- a/CHANGES
+++ b/CHANGES
@@ -5,6 +5,10 @@
 
  Changes between 0.9.3a and 0.9.4
 
+  *) Support for PKCS#5 v1.5 compatible password based encryption algorithms
+     and partial PKCS#8 functionality.
+     [Steve Henson]
+
   *) Introduce some semblance of const correctness to BN. Shame C doesn't
      support mutable.
      [Ben Laurie]

diff --git a/crypto/evp/p5_crpt.c b/crypto/evp/p5_crpt.c
new file mode 100644 (file)
index 0000000..11bf88b
--- /dev/null
+++ b/crypto/evp/p5_crpt.c
@@ -0,0 +1,108 @@
+/* p5_crpt.c */
+/* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL
+ * project 1999.
+ */
+/* ====================================================================
+ * Copyright (c) 1999 The OpenSSL Project.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    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
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ *
+ * 3. All advertising materials mentioning features or use of this
+ *    software must display the following acknowledgment:
+ *    "This product includes software developed by the OpenSSL Project
+ *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
+ *
+ * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
+ *    endorse or promote products derived from this software without
+ *    prior written permission. For written permission, please contact
+ *    licensing@OpenSSL.org.
+ *
+ * 5. Products derived from this software may not be called "OpenSSL"
+ *    nor may "OpenSSL" appear in their names without prior written
+ *    permission of the OpenSSL Project.
+ *
+ * 6. Redistributions of any form whatsoever must retain the following
+ *    acknowledgment:
+ *    "This product includes software developed by the OpenSSL Project
+ *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
+ * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
+ * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT 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.
+ * ====================================================================
+ *
+ * This product includes cryptographic software written by Eric Young
+ * (eay@cryptsoft.com).  This product includes software written by Tim
+ * Hudson (tjh@cryptsoft.com).
+ *
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <openssl/x509.h>
+#include <openssl/evp.h>
+#include "cryptlib.h"
+
+/* PKCS#5 v1.5 compatible PBE functions: see PKCS#5 v2.0 for more info.
+ */
+
+void PKCS5_PBE_add(void)
+{
+#ifndef NO_DES
+EVP_PBE_alg_add(NID_pbeWithMD5AndDES_CBC, EVP_des_cbc(), EVP_md5(),
+                                                        PKCS5_PBE_keyivgen);
+EVP_PBE_alg_add(NID_pbeWithMD2AndDES_CBC, EVP_des_cbc(), EVP_md2(),
+                                                        PKCS5_PBE_keyivgen);
+EVP_PBE_alg_add(NID_pbeWithSHA1AndDES_CBC, EVP_des_cbc(), EVP_sha1(),
+                                                        PKCS5_PBE_keyivgen);
+#endif
+#ifndef NO_RC2
+EVP_PBE_alg_add(NID_pbeWithMD5AndRC2_CBC, EVP_rc2_64_cbc(), EVP_md5(),
+                                                        PKCS5_PBE_keyivgen);
+EVP_PBE_alg_add(NID_pbeWithMD2AndRC2_CBC, EVP_rc2_64_cbc(), EVP_md2(),
+                                                        PKCS5_PBE_keyivgen);
+EVP_PBE_alg_add(NID_pbeWithSHA1AndRC2_CBC, EVP_rc2_64_cbc(), EVP_sha1(),
+                                                        PKCS5_PBE_keyivgen);
+#endif
+}
+
+int PKCS5_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)
+{
+       EVP_MD_CTX ctx;
+       unsigned char md_tmp[EVP_MAX_MD_SIZE];
+       int i;
+       EVP_DigestInit (&ctx, md);
+       EVP_DigestUpdate (&ctx, pass, passlen);
+       EVP_DigestUpdate (&ctx, salt, saltlen);
+       EVP_DigestFinal (&ctx, md_tmp, NULL);
+       for (i = 1; i < iter; i++) {
+               EVP_DigestInit(&ctx, md);
+               EVP_DigestUpdate(&ctx, md_tmp, EVP_MD_size(md));
+               EVP_DigestFinal (&ctx, md_tmp, NULL);
+       }
+       memcpy (key, md_tmp, EVP_CIPHER_key_length(cipher));
+       memcpy (iv, md_tmp + (16 - EVP_CIPHER_iv_length(cipher)),
+                                                EVP_CIPHER_iv_length(cipher));
+       return 1;
+}