1 files changed, 182 insertions, 0 deletions

diff --git a/src/lib/libcrypto/pkcs12/p12_key.c b/src/lib/libcrypto/pkcs12/p12_key.c
new file mode 100644
index 0000000000..25d8cdae57
--- /dev/null
+++ b/src/lib/libcrypto/pkcs12/p12_key.c
@@ -0,0 +1,182 @@
+/* p12_key.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 "cryptlib.h"
+#include <openssl/pkcs12.h>
+
+
+/* Uncomment out this line to get debugging info about key generation */
+/*#define DEBUG_KEYGEN*/
+#ifdef DEBUG_KEYGEN
+#include <bio.h>
+extern BIO *bio_err;
+void h__dump (unsigned char *p, int len);
+#endif
+
+/* PKCS12 compatible key/IV generation */
+#ifndef min
+#define min(a,b) ((a) < (b) ? (a) : (b))
+#endif
+
+int PKCS12_key_gen_asc (const char *pass, int passlen, unsigned char *salt,
+             int saltlen, int id, int iter, int n, unsigned char *out,
+             const EVP_MD *md_type)
+{
+        int ret;
+        unsigned char *unipass;
+        int uniplen;
+        if (!asc2uni (pass, &unipass, &uniplen)) {
+                PKCS12err(PKCS12_F_PKCS12_KEY_GEN_ASC,ERR_R_MALLOC_FAILURE);
+                return 0;
+        }
+        ret = PKCS12_key_gen_uni (unipass, uniplen, salt, saltlen,
+                                                 id, iter, n, out, md_type);
+        memset(unipass, 0, uniplen);    /* Clear password from memory */
+        Free(unipass);
+        return ret;
+}
+
+int PKCS12_key_gen_uni (unsigned char *pass, int passlen, unsigned char *salt,
+             int saltlen, int id, int iter, int n, unsigned char *out,
+             const EVP_MD *md_type)
+{
+        unsigned char *B, *D, *I, *p, *Ai;
+        int Slen, Plen, Ilen;
+        int i, j, u, v;
+        BIGNUM *Ij, *Bpl1;      /* These hold Ij and B + 1 */
+        EVP_MD_CTX ctx;
+#ifdef  DEBUG_KEYGEN
+        unsigned char *tmpout = out;
+        int tmpn = n;
+        BIO_printf (bio_err, "KEYGEN DEBUG\n");
+        BIO_printf (bio_err, "ID %d, ITER %d\n", id, iter);
+        BIO_printf (bio_err, "Password (length %d):\n", passlen);
+        h__dump (pass, passlen);
+        BIO_printf (bio_err, "Salt (length %d):\n", saltlen);
+        h__dump (salt, saltlen);
+        BIO_printf (bio_err, "ID %d, ITER %d\n\n", id, iter);
+#endif
+        v = EVP_MD_block_size (md_type);
+        u = EVP_MD_size (md_type);
+        D = Malloc (v);
+        Ai = Malloc (u);
+        B = Malloc (v + 1);
+        Slen = v * ((saltlen+v-1)/v);
+        Plen = v * ((passlen+v-1)/v);
+        Ilen = Slen + Plen;
+        I = Malloc (Ilen);
+        Ij = BN_new();
+        Bpl1 = BN_new();
+        if (!D || !Ai || !B || !I || !Ij || !Bpl1) {
+                PKCS12err(PKCS12_F_PKCS12_KEY_GEN_UNI,ERR_R_MALLOC_FAILURE);
+                return 0;
+        }
+        for (i = 0; i < v; i++) D[i] = id;
+        p = I;
+        for (i = 0; i < Slen; i++) *p++ = salt[i % saltlen];
+        for (i = 0; i < Plen; i++) *p++ = pass[i % passlen];
+        for (;;) {
+                EVP_DigestInit (&ctx, md_type);
+                EVP_DigestUpdate (&ctx, D, v);
+                EVP_DigestUpdate (&ctx, I, Ilen);
+                EVP_DigestFinal (&ctx, Ai, NULL);
+                for (j = 1; j < iter; j++) {
+                        EVP_DigestInit (&ctx, md_type);
+                        EVP_DigestUpdate (&ctx, Ai, u);
+                        EVP_DigestFinal (&ctx, Ai, NULL);
+                }
+                memcpy (out, Ai, min (n, u));
+                if (u >= n) {
+                        Free (Ai);
+                        Free (B);
+                        Free (D);
+                        Free (I);
+                        BN_free (Ij);
+                        BN_free (Bpl1);
+#ifdef DEBUG_KEYGEN
+                        BIO_printf (bio_err, "Output KEY (length %d)\n", tmpn);
+                        h__dump (tmpout, tmpn);
+#endif
+                        return 1;       
+                }
+                n -= u;
+                out += u;
+                for (j = 0; j < v; j++) B[j] = Ai[j % u];
+                /* Work out B + 1 first then can use B as tmp space */
+                BN_bin2bn (B, v, Bpl1);
+                BN_add_word (Bpl1, 1);
+                for (j = 0; j < Ilen ; j+=v) {
+                        BN_bin2bn (I + j, v, Ij);
+                        BN_add (Ij, Ij, Bpl1);
+                        BN_bn2bin (Ij, B);
+                        /* If more than 2^(v*8) - 1 cut off MSB */
+                        if (BN_num_bytes (Ij) > v) {
+                                BN_bn2bin (Ij, B);
+                                memcpy (I + j, B + 1, v);
+                        } else BN_bn2bin (Ij, I + j);
+                }
+        }
+}
+#ifdef DEBUG_KEYGEN
+void h__dump (unsigned char *p, int len)
+{
+        for (; len --; p++) BIO_printf (bio_err, "%02X", *p);
+        BIO_printf (bio_err, "\n");     
+}
+#endif