Added support for a 40 bit RFC2268 cipher. Thanks to Nikos.

14 files changed, 407 insertions, 11 deletions

diff --git a/AUTHORS b/AUTHORS
index c07e0491..e22a26a8 100644
--- a/AUTHORS
+++ b/AUTHORS
@@ -58,6 +58,10 @@ LIBGCRYPT Moritz Schulte	2003-04-17
 Assigns past and future changes.
 moritz@g10code.com
 
+GNUTLS  Nikolaos Mavrogiannopoulos  2003-11-22
+nmav@gnutls.org
+Orginal code for cipher/rfc2268.c.
+
 
 
 More credits
diff --git a/ChangeLog b/ChangeLog
index 3213d6fa..741d1acf 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,11 @@
+2004-02-11  Werner Koch  <wk@gnupg.org>
+
+	* autogen.sh (check_version): Removed bashism and simplified.
+
+2004-02-06  Werner Koch  <wk@gnupg.org>
+
+	* configure.ac: Add rfc2268 cipher algorithm.
+
 2004-01-25  Moritz Schulte  <mo@g10code.com>
 
 	* THANKS: Updated.
diff --git a/NEWS b/NEWS
index ed8001cf..1f2b3808 100644
--- a/NEWS
+++ b/NEWS
@@ -1,6 +1,14 @@
 Noteworthy changes in version 1.1.92 (unreleased)
 -------------------------------------------------
 
+ * Minor bug fixes.
+
+ * Included a limited implementation of RFC2268.
+
+ * Interface changes relative to the 1.1.91 release:
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+GCRY_CIPHER_RFC2268_40          NEW.
+
 
 Noteworthy changes in version 1.1.91 (2003-12-19)
 -------------------------------------------------
diff --git a/autogen.sh b/autogen.sh
index 4f1205c6..81061e38 100755
--- a/autogen.sh
+++ b/autogen.sh
@@ -18,7 +18,7 @@ cvtver () {
 }
 
 check_version () {
-    if [ $(( `("$1" --version || echo "0") | cvtver` >= $2 )) == 1 ]; then
+    if [ `("$1" --version || echo "0") | cvtver` -ge "$2" ]; then
        return 0
     fi
     echo "**Error**: "\`$1\'" not installed or too old." >&2
diff --git a/cipher/ChangeLog b/cipher/ChangeLog
index 1621e26e..cabb83a7 100644
--- a/cipher/ChangeLog
+++ b/cipher/ChangeLog
@@ -1,3 +1,10 @@
+2004-02-06  Werner Koch  <wk@gnupg.org>
+
+	* des.c: Add a new OID as used by pkcs#12.
+
+	* rfc2268.c: New. Taken from libgcrypt. 
+	* cipher.c: Setup the rfc2268 algorithm.
+
 2004-01-25  Moritz Schulte  <mo@g10code.com>
 
 	* primegen.c (prime_generate_internal): Do not forget to free
diff --git a/cipher/Makefile.am b/cipher/Makefile.am
index 8df81fef..cf38060f 100644
--- a/cipher/Makefile.am
+++ b/cipher/Makefile.am
@@ -62,7 +62,8 @@ sha1.c \
 sha256.c \
 sha512.c \
 tiger.c \
-twofish.c
+twofish.c \
+rfc2268.c
 
 # We need to lower the optimization for this module.
 tiger.o: $(srcdir)/tiger.c
diff --git a/cipher/Manifest b/cipher/Manifest
index e173019d..e5fc4672 100644
--- a/cipher/Manifest
+++ b/cipher/Manifest
@@ -39,7 +39,7 @@ arcfour.c iQCVAwUAP9XR/TEAnp832S/7AQJcRwP6AlvYEx++fpT4mIYo0xRDqKEQeqMQvbaRhIg2eV
 blowfish.c iQCVAwUAP9XTETEAnp832S/7AQJaEgQAgiqqfuO+zQtscgTB0rvOzVymIKjRKjYhFuLjVuc79G4z1RCAffvIn/YM2d7kt+Z/QF7zjcTAOgETCQL1XokpX2zz9HPAMi2tlDY5zsDufTNqj0n4WBL9nM7w6XAvsiwP1B3bqCTv9SjJV4KbxJ58vw1yQE+sqW74R/QIHFvC7mU==wZnX
 cast5.c iQCVAwUAP9XT6DEAnp832S/7AQJ3xgP/ehLjEN3GELGudbqeo91Xd+PqitHrkuBbtRIYX7Udd/fyXLN+h8rMJVyIQX2m+mpxbBxudVU3x8/DNT8B0ZHAwK6qqJmEBLLhEYPgIuF76i9LMrP1KqUPhAwRZ2OppjIIugBQ+rP74aD4eLyd/aKQHNuXML8QGWR6KwQShohXM5I==/BRh
 crc.c iQCVAwUAP7ouejEAnp832S/7AQIgwQQApg5Nm63tH5DQkbN+zPzMO9Ygoj3ukxfFTyTBPYSXYKMiTjEbESegaU40uN8jnz2vprcIQWcgZfzO4+opEJMcI35aPwzEk0vKOp0S/PrBLUY2rJfnDVkX5XgJFZa2Q7LLe826UEBzTVYW924utiCCe8oOaOEWVNpg1mqdknu3M9o==kz5D
-des.c iQCVAwUAP9XWVDEAnp832S/7AQLjYgP8DTVwIS1L/eODK2HOCuJgIqAg1MS9Jpb1w56pKM4pOQ24mH/pMWUgksntW1PqGXRzqt66k+AFw200/AujbEcEmB4kTmMRVYIDUrextWXsg8AQUaUqxPD6pP0mq2Y6afhCgaRm0rAYDz2kI2RRRxHPyRhwi/j+TNke01AdnnK1k2A==xGcy
+des.c iQCVAwUAQCN2oDEAnp832S/7AQL/jwP6Auoq6nZCDBjpgc9tDzuIRwa9DqyuM3gX94uvgEpUwdHszb2bG43dz03kVmcYxtj1MzXbyCeCZOwox0b2SKmLgxIbrNP6yGbzVdTj6592gDYuf/ZXmc1ZNJ1DDldcPQ0n9fXUipUPwyPaNWo3mSZaNcMKSWWzdK0J6ciG6nk7SWI==9k/t
 dsa.c iQCVAwUAP9XZHDEAnp832S/7AQLBRgP/XrBzTEYx5ccMj1MMb6sg37liEHdIyyy49zjvt6jUqxj4RuwVEN8S6v3u4q/QyJkHAi1E0EkREgENlyHW6PKWhYbcrd0vPIAN15yjnl2yqtrCrJImexUCoqJJewK0E4JOicGbabTil8MZjk+mbhEPnjJBqOkyP1w0i31pEDgE/8M==pC8s
 elgamal.c iQCVAwUAP9XbYzEAnp832S/7AQLXagQA3HrvspZfbTGgmUH0IqLQTJ0exUPxJv5DET2TvoIy62trDmMN6lTAj5P+a7jQ8udcu0w+mR2vXUHcxUpNA2PxLaMwGzNSY4zRDNe9r3SFTDrFm6m4y9Ko2e8XtEA+WF6P/XLpck4Jn7vMEDmVGPwkNd22kXFFE8dBGwG6i5Hk1Mk==oBUs
 md4.c iQCVAwUAP9h50DEAnp832S/7AQJhHgQAzNA/B6MWFDlCtPkIVaW8RpP1Eg0ZNMsy0s7SJkopOCBlu6CwXUOKe+8ppcSxhjYKh4i4uQr/QtfipYlBjzKJGnrafoF/NugXNCOHSTGT11TvK7mCiBuUMVgvZGAlOJImk6eTTfUjRrMfaXM/SWl8bdJ4ZpzdjEyVh89r7I5JrGk==x2UD
@@ -53,6 +53,7 @@ sha256.c iQCVAwUAP9iAtzEAnp832S/7AQJD2QP/UqvL0hhjG1wEFbGrdkV9tba1sMDXdnnK6X7HdLu
 sha512.c iQCVAwUAP9iBTDEAnp832S/7AQIPBAQA28CJSUQLiW0s2x9u8/OH2eKnxPjA4sZmb50WP7920Lem66P31C3BrOqwfBot4RLhjL+zh/+Uc4s3HPwApZuj9E4BxNMlqLv+Tqk++DAbdaOeYT4jeUt+mlhQQ6mH/RDsy32rZsNsGQ2bUGxazZmfG++PL3JyhawqCy00SUDr/o0==H+0X
 tiger.c iQCVAwUAP9iCfjEAnp832S/7AQKufwP/fryv3MqSOYY+90325DH7X3/CtekxeooN0scGsHX0fxBakWSMecTNrj33KPddLS46gU/S89zIc2N/Bw/7EVIAXVFA3/3Ip+OrFOuIMO4Py1sCdB8o2Y+5ygv8iXLcsXIq1O0av79i9g774V3uaXa2qN9ZnXe0AEhcy8FHJ2i/wro==5XVB
 twofish.c iQCVAwUAP9iD6TEAnp832S/7AQKUnQP/Rq8FaYeHTG7HbZuqAs9pbPitzjDbkdZddmInWR7NmevBkKvhsJALjVooc0KGQfo2lAAmy3Xi/4QQN8VPn51DVjDIgf7x+DQh/9TFJHMccxI9asUgi4+TNnmMqLU1k3N8S2PjyZ1sjeC8B79fKPpwCzj72WkqPkzZw3l2jArr+dU==NdJT
+rfc2268.c iQCVAwUAQCN+3jEAnp832S/7AQLv1gQA1hJh29hAjKi4uLSGxXvJ6cyYmPdmevdKrbLnuHZWtHe4xvCgy/nTdEojEpxgLp/hL/ogasuWRC1W16Wiz9ryxf7YR0uhZWayO/bQNagpfU5MIkJTLuKqqgpwYumCSQfOugXVAqcgEzj+13eeyJaFVrzwrNa67sh84nmbjOjNjvE==0zBq
 
 # Random number related
 random.c iQCVAwUAP7nsITEAnp832S/7AQK4SAQAtvfUgrtGOQ2PlxGMla0qJLPHjJacMwgq0ecusiI79elPdDsFfCCk6dK1Ug2kFbNm22nCGHNcUquqbX7noi7ZVQnmPBQXzyLNZd7GmrawRZfdlRerTUDBpSnR8V8ui/5+YYp627E7kKGC0hPSgqXFql6oBMIfno0LZwFJTjIevRY==L419
@@ -68,5 +69,5 @@ bithelp.h iQCVAwUAP7ouPTEAnp832S/7AQKXggQAqjcgvihIF3WclOgw1JV2rbARw4ISIDRMFqdaNC
 rmd.h iQCVAwUAP7oumjEAnp832S/7AQJiJQP/V4bJwjZaYndJzV+KRnIDbl1koHuw+ZK5heMYVu8Qk4ylqv//BGyeRa3jZCcfPHI35q6HilCs2VBm8hiBMjHSqY/VPn2ZQ0yg/lt6qEvl7YjsLmyMICvjG+ncszHoq9pRvnF3vTnM18sPIioXLk8fskuM0XOCNBs0ARBAQjY9UGI==olUN
 
 # Configuration
-Makefile.am iQCVAwUAP+M6vTEAnp832S/7AQK6iAP/bupnOKllxgd4Wz/vpHE5cLtTrvZoioRFvtLKvFDtukwQccadeSUGdtJRJT6tm8E+60UTmyZZGJu/XeBM3jrN3YoNVB5kTL0EA4P3iBUiNm40QFIb7l0KaFMauFIWch68sWapflg0Mv7f+T8uFt3tdxWDrXe/xYLQzs2Udplo7Ow==F6NE
-$names$ iQCVAwUAP99DTTEAnp832S/7AQL3ugP/SvLX71fTqDrfpUqw+XXhEUWCYQ80U+CQBsZTsAsXvK/F1476dHkJIDco64ZXv/cWwL4AmUYHhXC3uFXhQmFW8qyCXOYr5s3THgjzld1gqzRoVSwa5d8ZEhHXgIY8cnz3G3kwUksXGZioMER7LCWVudyLMNOLW9yOc2sBZqrvGn0==wlNe
+Makefile.am iQCVAwUAQCN33TEAnp832S/7AQKFJAQAz7BDkC814q+QiuE/jnutJHR5qlgbrm3ikGbQwdRzYUscst4bCCWy3uKL/sIPGLg+JQXtF5FnsQy3s4D9BOYhp72cA9ktYK65hhi4pNm/JQ0lXkZMNfk8Go5lNzKezlWwHvkMwRXR0Fep0wPdyeaKW5BfaW2ABvgep6Bp+hHEbyg==zSyi
+$names$ iQCVAwUAQCN3EDEAnp832S/7AQJXLAP8DvHTpm5DkTF35EmzeKpi9ie59AZcZanD19ir/e/7+PaQxr2riuLHDGwFKTju+dcvvBsqrygXOC378GXVWzIF2OZwS4EdDcJ+pgojo9UpsqpKsJHouY4Ugx5cQialxba462kUn8hcihSBnMyc4LzbJ5WQ4puQuqy544d2x94+2ms==G4Ls
diff --git a/cipher/cipher.c b/cipher/cipher.c
index 2c290814..16f57f43 100644
--- a/cipher/cipher.c
+++ b/cipher/cipher.c
@@ -69,6 +69,9 @@ static struct cipher_table_entry
     { &_gcry_cipher_spec_serpent192, GCRY_CIPHER_SERPENT192 },
     { &_gcry_cipher_spec_serpent256, GCRY_CIPHER_SERPENT256 },
 #endif
+#ifdef USE_RFC2268
+    { &_gcry_cipher_spec_rfc2268_40, GCRY_CIPHER_RFC2268_40 },
+#endif
     { NULL                    },
   };
 
diff --git a/cipher/des.c b/cipher/des.c
index a0d98263..81b5337e 100644
--- a/cipher/des.c
+++ b/cipher/des.c
@@ -1099,6 +1099,8 @@ static gcry_cipher_oid_spec_t oids_tripledes[] =
     { "1.2.840.113549.3.7", GCRY_CIPHER_MODE_CBC },
     /* Teletrust specific OID for 3DES. */
     { "1.3.36.3.1.3.2.1",   GCRY_CIPHER_MODE_CBC },
+    /* pbeWithSHAAnd3_KeyTripleDES_CBC */
+    { "1.2.840.113549.1.12.1.3", GCRY_CIPHER_MODE_CBC },
     { NULL }
   };
 
diff --git a/cipher/rfc2268.c b/cipher/rfc2268.c
new file mode 100644
index 00000000..7d63fcef
--- /dev/null
+++ b/cipher/rfc2268.c
@@ -0,0 +1,345 @@
+/* rfc2268.c  - The cipher described in rfc2268; aka Ron's Cipher 2.
+ * Copyright (C) 2003 Nikos Mavroyanopoulos
+ * Copyright (C) 2004 Free Software Foundation, Inc.
+ *
+ * This file is part of Libgcrypt
+ *
+ * Libgcrypt is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser general Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * Libgcrypt is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
+ */
+
+/* This implementation was written by Nikos Mavroyanopoulos for GNUTLS
+ * as a Libgcrypt module (gnutls/lib/x509/rc2.c) and later adapted for
+ * direct use by Libgcrypt by Werner Koch.  This implementation is
+ * only useful for pkcs#12 descryption.
+ *
+ * The implementation here is based on Peter Gutmann's RRC.2 paper.
+ */
+
+
+#include <config.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include "g10lib.h"
+#include "types.h"
+#include "cipher.h"
+
+#define RFC2268_BLOCKSIZE 8
+
+typedef struct 
+{
+  u16 S[64];
+} RFC2268_context;
+
+static const unsigned char rfc2268_sbox[] = { 
+  217, 120, 249, 196,  25, 221, 181, 237, 
+   40, 233, 253, 121,  74, 160, 216, 157,
+  198, 126,  55, 131,  43, 118,  83, 142, 
+   98,  76, 100, 136,  68, 139, 251, 162,
+   23, 154,  89, 245, 135, 179,  79,  19,
+   97,  69, 109, 141,   9, 129, 125,  50,
+  189, 143,  64, 235, 134, 183, 123,  11,
+  240, 149,  33,  34,  92, 107,  78, 130,
+   84, 214, 101, 147, 206,  96, 178,  28,
+  115,  86, 192,  20, 167, 140, 241, 220,
+   18, 117, 202,  31,  59, 190, 228, 209,
+   66,  61, 212,  48, 163,  60, 182,  38,
+  111, 191,  14, 218,  70, 105,   7,  87,
+   39, 242,  29, 155, 188, 148,  67,   3,
+  248,  17, 199, 246, 144, 239,  62, 231,
+    6, 195, 213,  47, 200, 102,  30, 215,
+    8, 232, 234, 222, 128,  82, 238, 247,
+  132, 170, 114, 172,  53,  77, 106,  42,
+  150,  26, 210, 113,  90,  21,  73, 116,
+   75, 159, 208,  94,   4,  24, 164, 236,
+  194, 224,  65, 110,  15,  81, 203, 204,
+   36, 145, 175,  80, 161, 244, 112,  57,
+  153, 124,  58, 133,  35, 184, 180, 122,
+  252,   2,  54,  91,  37,  85, 151,  49,
+   45,  93, 250, 152, 227, 138, 146, 174,
+    5, 223,  41,  16, 103, 108, 186, 201,
+  211,   0, 230, 207, 225, 158, 168,  44,
+   99,  22,   1,  63,  88, 226, 137, 169,
+   13,  56,  52,  27, 171,  51, 255, 176,
+  187,  72,  12,  95, 185, 177, 205,  46,
+  197, 243, 219,  71, 229, 165, 156, 119,
+   10, 166,  32, 104, 254, 127, 193, 173
+};
+
+#define rotl16(x,n)   (((x) << ((u16)(n))) | ((x) >> (16 - (u16)(n))))
+#define rotr16(x,n)   (((x) >> ((u16)(n))) | ((x) << (16 - (u16)(n))))
+
+static const char *selftest (void);
+
+
+static void
+do_encrypt (void *context, unsigned char *outbuf, const unsigned char *inbuf)
+{
+  RFC2268_context *ctx = context;
+  register int i, j;
+  u16 word0 = 0, word1 = 0, word2 = 0, word3 = 0;
+
+  word0 = (word0 << 8) | inbuf[1];
+  word0 = (word0 << 8) | inbuf[0];
+  word1 = (word1 << 8) | inbuf[3];
+  word1 = (word1 << 8) | inbuf[2];
+  word2 = (word2 << 8) | inbuf[5];
+  word2 = (word2 << 8) | inbuf[4];
+  word3 = (word3 << 8) | inbuf[7];
+  word3 = (word3 << 8) | inbuf[6];
+
+  for (i = 0; i < 16; i++)
+    {
+      j = i * 4;
+      /* For some reason I cannot combine those steps. */
+      word0 += (word1 & ~word3) + (word2 & word3) + ctx->S[j];
+      word0 = rotl16(word0, 1);
+		
+      word1 += (word2 & ~word0) + (word3 & word0) + ctx->S[j + 1];
+      word1 = rotl16(word1, 2);
+		
+      word2 += (word3 & ~word1) + (word0 & word1) + ctx->S[j + 2];
+      word2 = rotl16(word2, 3);
+
+      word3 += (word0 & ~word2) + (word1 & word2) + ctx->S[j + 3];
+      word3 = rotl16(word3, 5);
+
+      if (i == 4 || i == 10)
+        {
+          word0 += ctx->S[word3 & 63];
+          word1 += ctx->S[word0 & 63];
+          word2 += ctx->S[word1 & 63];
+          word3 += ctx->S[word2 & 63];
+        }
+
+    }
+
+  outbuf[0] = word0 & 255;
+  outbuf[1] = word0 >> 8;
+  outbuf[2] = word1 & 255;
+  outbuf[3] = word1 >> 8;
+  outbuf[4] = word2 & 255;
+  outbuf[5] = word2 >> 8;
+  outbuf[6] = word3 & 255;
+  outbuf[7] = word3 >> 8;
+}
+
+static void
+do_decrypt (void *context, unsigned char *outbuf, const unsigned char *inbuf)
+{
+  RFC2268_context *ctx = context;
+  register int i, j;
+  u16 word0 = 0, word1 = 0, word2 = 0, word3 = 0;
+
+  word0 = (word0 << 8) | inbuf[1];
+  word0 = (word0 << 8) | inbuf[0];
+  word1 = (word1 << 8) | inbuf[3];
+  word1 = (word1 << 8) | inbuf[2];
+  word2 = (word2 << 8) | inbuf[5];
+  word2 = (word2 << 8) | inbuf[4];
+  word3 = (word3 << 8) | inbuf[7];
+  word3 = (word3 << 8) | inbuf[6];
+
+  for (i = 15; i >= 0; i--) 
+    {
+      j = i * 4;
+
+      word3 = rotr16(word3, 5);
+      word3 -= (word0 & ~word2) + (word1 & word2) + ctx->S[j + 3];
+
+      word2 = rotr16(word2, 3);
+      word2 -= (word3 & ~word1) + (word0 & word1) + ctx->S[j + 2];
+
+      word1 = rotr16(word1, 2);
+      word1 -= (word2 & ~word0) + (word3 & word0) + ctx->S[j + 1];
+
+      word0 = rotr16(word0, 1);
+      word0 -= (word1 & ~word3) + (word2 & word3) + ctx->S[j];
+
+      if (i == 5 || i == 11) 
+        {
+          word3 = word3 - ctx->S[word2 & 63];
+          word2 = word2 - ctx->S[word1 & 63];
+          word1 = word1 - ctx->S[word0 & 63];
+          word0 = word0 - ctx->S[word3 & 63];
+        }
+
+    }
+
+  outbuf[0] = word0 & 255;
+  outbuf[1] = word0 >> 8;
+  outbuf[2] = word1 & 255;
+  outbuf[3] = word1 >> 8;
+  outbuf[4] = word2 & 255;
+  outbuf[5] = word2 >> 8;
+  outbuf[6] = word3 & 255;
+  outbuf[7] = word3 >> 8;
+}
+
+
+static gpg_err_code_t
+setkey_core (void *context, const unsigned char *key, unsigned int keylen, int with_phase2)
+{
+  static int initialized;
+  static const char *selftest_failed;
+  RFC2268_context *ctx = context;
+  unsigned int i;
+  unsigned char *S, x;
+  int len;
+  int bits = keylen * 8;
+
+  if (!initialized)
+    {
+      initialized = 1;
+      selftest_failed = selftest ();
+      if (selftest_failed)
+        log_error ("RFC2268 selftest failed (%s).\n", selftest_failed);
+    }
+  if (selftest_failed)
+    return GPG_ERR_SELFTEST_FAILED;
+
+  if (keylen < 40 / 8)	/* We want at least 40 bits. */
+    return GPG_ERR_INV_KEYLEN;
+
+  S = (unsigned char *) ctx->S;
+  
+  for (i = 0; i < keylen; i++)
+    S[i] = key[i];
+
+  for (i = keylen; i < 128; i++)
+    S[i] = rfc2268_sbox[(S[i - keylen] + S[i - 1]) & 255];
+
+  S[0] = rfc2268_sbox[S[0]];
+
+  /* Phase 2 - reduce effective key size to "bits". This was not
+   * discussed in Gutmann's paper. I've copied that from the public
+   * domain code posted in sci.crypt. */
+  if (with_phase2)
+    {
+      len = (bits + 7) >> 3;
+      i = 128 - len;
+      x = rfc2268_sbox[S[i] & (255 >> (7 & -bits))];
+      S[i] = x;
+      
+      while (i--) 
+        {
+          x = rfc2268_sbox[x ^ S[i + len]];
+          S[i] = x;
+        }
+    }
+
+  /* Make the expanded key, endian independent. */
+  for (i = 0; i < 64; i++) 
+    ctx->S[i] = ( (u16) S[i * 2] | (((u16) S[i * 2 + 1]) << 8));
+
+  return 0;
+}
+
+static gpg_err_code_t
+do_setkey (void *context, const unsigned char *key, unsigned int keylen)
+{
+  return setkey_core (context, key, keylen, 1);
+}
+
+static const char *
+selftest (void)
+{
+  RFC2268_context ctx;
+  unsigned char scratch[16];
+
+  /* Test vectors from Peter Gutmann's paper. */
+  static unsigned char key_1[] =
+    { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+      0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
+    };
+  static unsigned char plaintext_1[] =
+    { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
+  static const unsigned char ciphertext_1[] =
+    { 0x1C, 0x19, 0x8A, 0x83, 0x8D, 0xF0, 0x28, 0xB7 };
+
+  static unsigned char key_2[] =
+    { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
+      0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F
+    };
+  static unsigned char plaintext_2[] =
+    { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
+  static unsigned char ciphertext_2[] =
+    { 0x50, 0xDC, 0x01, 0x62, 0xBD, 0x75, 0x7F, 0x31 };
+
+  /* This one was checked against libmcrypt's RFC2268. */
+  static unsigned char key_3[] =
+    { 0x30, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+      0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
+    };
+  static unsigned char plaintext_3[] =
+    { 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
+  static unsigned char ciphertext_3[] =
+    { 0x8f, 0xd1, 0x03, 0x89, 0x33, 0x6b, 0xf9, 0x5e };
+
+
+  /* First test. */
+  setkey_core (&ctx, key_1, sizeof(key_1), 0);
+  do_encrypt (&ctx, scratch, plaintext_1);
+
+  if (memcmp (scratch, ciphertext_1, sizeof(ciphertext_1)))
+    return "RFC2268 encryption test 1 failed.";
+
+  setkey_core (&ctx, key_1, sizeof(key_1), 0);
+  do_decrypt (&ctx, scratch, scratch); 
+  if (memcmp (scratch, plaintext_1, sizeof(plaintext_1)))
+    return "RFC2268 decryption test 1 failed.";
+
+  /* Second test. */
+  setkey_core (&ctx, key_2, sizeof(key_2), 0);
+  do_encrypt (&ctx, scratch, plaintext_2);
+  if (memcmp (scratch, ciphertext_2, sizeof(ciphertext_2)))
+    return "RFC2268 encryption test 2 failed.";
+
+  setkey_core (&ctx, key_2, sizeof(key_2), 0);
+  do_decrypt (&ctx, scratch, scratch); 
+  if (memcmp (scratch, plaintext_2, sizeof(plaintext_2)))
+    return "RFC2268 decryption test 2 failed.";
+
+  /* Third test. */
+  setkey_core(&ctx, key_3, sizeof(key_3), 0);
+  do_encrypt(&ctx, scratch, plaintext_3);
+
+  if (memcmp(scratch, ciphertext_3, sizeof(ciphertext_3)))
+    return "RFC2268 encryption test 3 failed.";
+
+  setkey_core (&ctx, key_3, sizeof(key_3), 0);
+  do_decrypt (&ctx, scratch, scratch); 
+  if (memcmp(scratch, plaintext_3, sizeof(plaintext_3)))
+    return "RFC2268 decryption test 3 failed.";
+
+  return NULL;
+}
+
+
+
+static gcry_cipher_oid_spec_t oids_rfc2268_40[] =
+  {
+    /*{ "1.2.840.113549.3.2", GCRY_CIPHER_MODE_CBC },*/
+    /* pbeWithSHAAnd40BitRC2_CBC */
+    { "1.2.840.113549.1.12.1.6", GCRY_CIPHER_MODE_CBC },
+    { NULL }
+  };
+
+gcry_cipher_spec_t _gcry_cipher_spec_rfc2268_40 = {
+  "RFC2268_40", NULL, oids_rfc2268_40,
+  RFC2268_BLOCKSIZE, 40, sizeof(RFC2268_context),
+  do_setkey, do_encrypt, do_decrypt
+};
+
diff --git a/configure.ac b/configure.ac
index beebeaa8..572b3247 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,6 +1,6 @@
 # Configure.ac script for Libgcrypt
 # Copyright (C) 1998, 1999, 2000, 2001, 2002
-#               2003 Free Software Foundation, Inc.
+#               2003, 2004 Free Software Foundation, Inc.
 #
 # This file is part of Libgcrypt.
 #
@@ -88,7 +88,7 @@ LIBGCRYPT_CONFIG_LIBS_PTH="-lgcrypt-pth"
 LIBGCRYPT_CONFIG_CFLAGS_PTH=""
 
 # Definitions for symmetric ciphers.
-available_ciphers="arcfour blowfish cast5 des aes twofish serpent"
+available_ciphers="arcfour blowfish cast5 des aes twofish serpent rfc2268"
 enabled_ciphers=""
 
 # Definitions for public-key ciphers.
@@ -714,6 +714,11 @@ test "$found" = "1" && GCRYPT_CIPHERS="$GCRYPT_CIPHERS serpent.lo"
 AC_DEFINE_UNQUOTED(USE_SERPENT, $found,
                                  [Defined if this module should be included])
 
+LIST_MEMBER(rfc2268, $enabled_ciphers)
+test "$found" = "1" && GCRYPT_CIPHERS="$GCRYPT_CIPHERS rfc2268.lo"
+AC_DEFINE_UNQUOTED(USE_RFC2268, $found,
+                                 [Defined if this module should be included])
+
 LIST_MEMBER(dsa, $enabled_pubkey_ciphers)
 test "$found" = "1" && GCRYPT_PUBKEY_CIPHERS="$GCRYPT_PUBKEY_CIPHERS dsa.lo"
 AC_DEFINE_UNQUOTED(USE_DSA, $found,
diff --git a/src/ChangeLog b/src/ChangeLog
index e2f50c29..6b8a3166 100644
--- a/src/ChangeLog
+++ b/src/ChangeLog
@@ -1,3 +1,12 @@
+2004-02-13  Werner Koch  <wk@gnupg.org>
+
+	* gcrypt.h: Added GCRY_CIPHER_RFC2268_128, alsthough not yet
+	supported.
+
+2004-02-06  Werner Koch  <wk@gnupg.org>
+
+	* gcrypt.h: Added GCRY_CIPHER_RFC2268_40.
+
 2004-02-03  Werner Koch  <wk@gnupg.org>
 
 	* secmem.c (_gcry_secmem_init): Do not print the "not locked into
diff --git a/src/cipher.h b/src/cipher.h
index bcb7095f..a5f194e9 100644
--- a/src/cipher.h
+++ b/src/cipher.h
@@ -57,6 +57,7 @@ extern gcry_cipher_spec_t _gcry_cipher_spec_twofish128;
 extern gcry_cipher_spec_t _gcry_cipher_spec_serpent128;
 extern gcry_cipher_spec_t _gcry_cipher_spec_serpent192;
 extern gcry_cipher_spec_t _gcry_cipher_spec_serpent256;
+extern gcry_cipher_spec_t _gcry_cipher_spec_rfc2268_40;
 
 /* Declarations for the digest specifications.  */
 extern gcry_md_spec_t _gcry_digest_spec_crc32;
diff --git a/src/gcrypt.h b/src/gcrypt.h
index 4ec0e77b..3c607cdd 100644
--- a/src/gcrypt.h
+++ b/src/gcrypt.h
@@ -1,5 +1,6 @@
 /* gcrypt.h -  GNU cryptographic library interface
- * Copyright (C) 1998,1999,2000,2001,2002,2003,2004 Free Software Foundation, Inc.
+ * Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003,
+ *               2004  Free Software Foundation, Inc.
  *
  * This file is part of Libgcrypt.
  *
@@ -596,14 +597,15 @@ enum gcry_cipher_algos
     GCRY_CIPHER_AES256      = 9,
     GCRY_CIPHER_TWOFISH     = 10,
 
-    /* other cipher numbers are above 300 for OpenPGP reasons. */
-    GCRY_CIPHER_ARCFOUR     = 301,  /* fully compatible with RSA's RC4 (tm). */
+    /* Other cipher numbers are above 300 for OpenPGP reasons. */
+    GCRY_CIPHER_ARCFOUR     = 301,  /* Fully compatible with RSA's RC4 (tm). */
     GCRY_CIPHER_DES         = 302,  /* Yes, this is single key 56 bit DES. */
     GCRY_CIPHER_TWOFISH128  = 303,
     GCRY_CIPHER_SERPENT128  = 304,
     GCRY_CIPHER_SERPENT192  = 305,
     GCRY_CIPHER_SERPENT256  = 306,
-    
+    GCRY_CIPHER_RFC2268_40  = 307,  /* Ron's Cipher 2 (40 bit). */
+    GCRY_CIPHER_RFC2268_128 = 308,  /* Ron's Cipher 2 (128 bit). */
   };
 
 /* The Rijndael algorithm is basically AES, so provide some macros. */