added MirOTR

git-svn-id: http://svn.miranda-ng.org/main/trunk@83 1316c22d-e87f-b044-9b9b-93d7a3e3ba9c

1 files changed, 253 insertions, 0 deletions

diff --git a/plugins/MirOTR/libgcrypt-1.4.6/cipher/camellia-glue.c b/plugins/MirOTR/libgcrypt-1.4.6/cipher/camellia-glue.c
new file mode 100644
index 0000000000..067af85bca
--- /dev/null
+++ b/plugins/MirOTR/libgcrypt-1.4.6/cipher/camellia-glue.c
@@ -0,0 +1,253 @@
+/* camellia-glue.c - Glue for the Camellia cipher
+ * Copyright (C) 2007 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 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., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ */
+
+/* I put all the libgcrypt-specific stuff in this file to keep the
+   camellia.c/camellia.h files exactly as provided by NTT.  If they
+   update their code, this should make it easier to bring the changes
+   in. - dshaw
+
+   There is one small change which needs to be done: Include the
+   following code at the top of camellia.h: */
+#if 0
+
+/* To use Camellia with libraries it is often useful to keep the name
+ * space of the library clean.  The following macro is thus useful:
+ *
+ *     #define CAMELLIA_EXT_SYM_PREFIX foo_
+ *  
+ * This prefixes all external symbols with "foo_".
+ */
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#ifdef CAMELLIA_EXT_SYM_PREFIX
+#define CAMELLIA_PREFIX1(x,y) x ## y
+#define CAMELLIA_PREFIX2(x,y) CAMELLIA_PREFIX1(x,y)
+#define CAMELLIA_PREFIX(x)    CAMELLIA_PREFIX2(CAMELLIA_EXT_SYM_PREFIX,x)
+#define Camellia_Ekeygen      CAMELLIA_PREFIX(Camellia_Ekeygen)
+#define Camellia_EncryptBlock CAMELLIA_PREFIX(Camellia_EncryptBlock)
+#define Camellia_DecryptBlock CAMELLIA_PREFIX(Camellia_DecryptBlock)
+#define camellia_decrypt128   CAMELLIA_PREFIX(camellia_decrypt128)
+#define camellia_decrypt256   CAMELLIA_PREFIX(camellia_decrypt256)
+#define camellia_encrypt128   CAMELLIA_PREFIX(camellia_encrypt128)
+#define camellia_encrypt256   CAMELLIA_PREFIX(camellia_encrypt256)
+#define camellia_setup128     CAMELLIA_PREFIX(camellia_setup128)
+#define camellia_setup192     CAMELLIA_PREFIX(camellia_setup192) 
+#define camellia_setup256     CAMELLIA_PREFIX(camellia_setup256)
+#endif /*CAMELLIA_EXT_SYM_PREFIX*/
+
+#endif /* Code sample. */
+
+
+#include <config.h>
+#include "types.h"
+#include "g10lib.h"
+#include "cipher.h"
+#include "camellia.h"
+
+typedef struct
+{
+  int keybitlength;
+  KEY_TABLE_TYPE keytable;
+} CAMELLIA_context;
+
+static const char *selftest(void);
+
+static gcry_err_code_t
+camellia_setkey(void *c, const byte *key, unsigned keylen)
+{
+  CAMELLIA_context *ctx=c;
+  static int initialized=0;
+  static const char *selftest_failed=NULL;
+
+  if(keylen!=16 && keylen!=24 && keylen!=32)
+    return GPG_ERR_INV_KEYLEN;
+
+  if(!initialized)
+    {
+      initialized=1;
+      selftest_failed=selftest();
+      if(selftest_failed)
+	log_error("%s\n",selftest_failed);
+    }
+
+  if(selftest_failed)
+    return GPG_ERR_SELFTEST_FAILED;
+
+  ctx->keybitlength=keylen*8;
+  Camellia_Ekeygen(ctx->keybitlength,key,ctx->keytable);
+  _gcry_burn_stack
+    ((19+34+34)*sizeof(u32)+2*sizeof(void*) /* camellia_setup256 */
+     +(4+32)*sizeof(u32)+2*sizeof(void*)    /* camellia_setup192 */
+     +0+sizeof(int)+2*sizeof(void*)         /* Camellia_Ekeygen */
+     +3*2*sizeof(void*)                     /* Function calls.  */
+     );  
+
+  return 0;
+}
+
+static void
+camellia_encrypt(void *c, byte *outbuf, const byte *inbuf)
+{
+  CAMELLIA_context *ctx=c;
+
+  Camellia_EncryptBlock(ctx->keybitlength,inbuf,ctx->keytable,outbuf);
+  _gcry_burn_stack
+    (sizeof(int)+2*sizeof(unsigned char *)+sizeof(KEY_TABLE_TYPE)
+     +4*sizeof(u32)
+     +2*sizeof(u32*)+4*sizeof(u32)
+     +2*2*sizeof(void*) /* Function calls.  */
+    );
+}
+
+static void
+camellia_decrypt(void *c, byte *outbuf, const byte *inbuf)
+{
+  CAMELLIA_context *ctx=c;
+
+  Camellia_DecryptBlock(ctx->keybitlength,inbuf,ctx->keytable,outbuf);
+  _gcry_burn_stack
+    (sizeof(int)+2*sizeof(unsigned char *)+sizeof(KEY_TABLE_TYPE)
+     +4*sizeof(u32)
+     +2*sizeof(u32*)+4*sizeof(u32)
+     +2*2*sizeof(void*) /* Function calls.  */
+    );
+}
+
+static const char *
+selftest(void)
+{
+  CAMELLIA_context ctx;
+  byte scratch[16];
+  
+  /* These test vectors are from RFC-3713 */
+  const byte plaintext[]=
+    {
+      0x01,0x23,0x45,0x67,0x89,0xab,0xcd,0xef,
+      0xfe,0xdc,0xba,0x98,0x76,0x54,0x32,0x10
+    };
+  const byte key_128[]=
+    {
+      0x01,0x23,0x45,0x67,0x89,0xab,0xcd,0xef,
+      0xfe,0xdc,0xba,0x98,0x76,0x54,0x32,0x10
+    };
+  const byte ciphertext_128[]=
+    {
+      0x67,0x67,0x31,0x38,0x54,0x96,0x69,0x73,
+      0x08,0x57,0x06,0x56,0x48,0xea,0xbe,0x43
+    };
+  const byte key_192[]=
+    {
+      0x01,0x23,0x45,0x67,0x89,0xab,0xcd,0xef,0xfe,0xdc,0xba,0x98,
+      0x76,0x54,0x32,0x10,0x00,0x11,0x22,0x33,0x44,0x55,0x66,0x77
+    };
+  const byte ciphertext_192[]=
+    {
+      0xb4,0x99,0x34,0x01,0xb3,0xe9,0x96,0xf8,
+      0x4e,0xe5,0xce,0xe7,0xd7,0x9b,0x09,0xb9
+    };
+  const byte key_256[]=
+    {
+      0x01,0x23,0x45,0x67,0x89,0xab,0xcd,0xef,0xfe,0xdc,0xba,
+      0x98,0x76,0x54,0x32,0x10,0x00,0x11,0x22,0x33,0x44,0x55,
+      0x66,0x77,0x88,0x99,0xaa,0xbb,0xcc,0xdd,0xee,0xff
+    };
+  const byte ciphertext_256[]=
+    {
+      0x9a,0xcc,0x23,0x7d,0xff,0x16,0xd7,0x6c,
+      0x20,0xef,0x7c,0x91,0x9e,0x3a,0x75,0x09
+    };
+
+  camellia_setkey(&ctx,key_128,sizeof(key_128));
+  camellia_encrypt(&ctx,scratch,plaintext);
+  if(memcmp(scratch,ciphertext_128,sizeof(ciphertext_128))!=0)
+    return "CAMELLIA-128 test encryption failed.";
+  camellia_decrypt(&ctx,scratch,scratch);
+  if(memcmp(scratch,plaintext,sizeof(plaintext))!=0)
+    return "CAMELLIA-128 test decryption failed.";
+
+  camellia_setkey(&ctx,key_192,sizeof(key_192));
+  camellia_encrypt(&ctx,scratch,plaintext);
+  if(memcmp(scratch,ciphertext_192,sizeof(ciphertext_192))!=0)
+    return "CAMELLIA-192 test encryption failed.";
+  camellia_decrypt(&ctx,scratch,scratch);
+  if(memcmp(scratch,plaintext,sizeof(plaintext))!=0)
+    return "CAMELLIA-192 test decryption failed.";
+
+  camellia_setkey(&ctx,key_256,sizeof(key_256));
+  camellia_encrypt(&ctx,scratch,plaintext);
+  if(memcmp(scratch,ciphertext_256,sizeof(ciphertext_256))!=0)
+    return "CAMELLIA-256 test encryption failed.";
+  camellia_decrypt(&ctx,scratch,scratch);
+  if(memcmp(scratch,plaintext,sizeof(plaintext))!=0)
+    return "CAMELLIA-256 test decryption failed.";
+
+  return NULL;
+}
+
+/* These oids are from
+   <http://info.isl.ntt.co.jp/crypt/eng/camellia/specifications_oid.html>,
+   retrieved May 1, 2007. */
+
+static gcry_cipher_oid_spec_t camellia128_oids[] =
+  {
+    {"1.2.392.200011.61.1.1.1.2", GCRY_CIPHER_MODE_CBC},
+    {"0.3.4401.5.3.1.9.1", GCRY_CIPHER_MODE_ECB},
+    {"0.3.4401.5.3.1.9.3", GCRY_CIPHER_MODE_OFB},
+    {"0.3.4401.5.3.1.9.4", GCRY_CIPHER_MODE_CFB},
+    { NULL }
+  };
+
+static gcry_cipher_oid_spec_t camellia192_oids[] =
+  {
+    {"1.2.392.200011.61.1.1.1.3", GCRY_CIPHER_MODE_CBC},
+    {"0.3.4401.5.3.1.9.21", GCRY_CIPHER_MODE_ECB},
+    {"0.3.4401.5.3.1.9.23", GCRY_CIPHER_MODE_OFB},
+    {"0.3.4401.5.3.1.9.24", GCRY_CIPHER_MODE_CFB},
+    { NULL }
+  };
+
+static gcry_cipher_oid_spec_t camellia256_oids[] =
+  {
+    {"1.2.392.200011.61.1.1.1.4", GCRY_CIPHER_MODE_CBC},
+    {"0.3.4401.5.3.1.9.41", GCRY_CIPHER_MODE_ECB},
+    {"0.3.4401.5.3.1.9.43", GCRY_CIPHER_MODE_OFB},
+    {"0.3.4401.5.3.1.9.44", GCRY_CIPHER_MODE_CFB},
+    { NULL }
+  };
+
+gcry_cipher_spec_t _gcry_cipher_spec_camellia128 =
+  {
+    "CAMELLIA128",NULL,camellia128_oids,CAMELLIA_BLOCK_SIZE,128,
+    sizeof(CAMELLIA_context),camellia_setkey,camellia_encrypt,camellia_decrypt
+  };
+
+gcry_cipher_spec_t _gcry_cipher_spec_camellia192 =
+  {
+    "CAMELLIA192",NULL,camellia192_oids,CAMELLIA_BLOCK_SIZE,192,
+    sizeof(CAMELLIA_context),camellia_setkey,camellia_encrypt,camellia_decrypt
+  };
+
+gcry_cipher_spec_t _gcry_cipher_spec_camellia256 =
+  {
+    "CAMELLIA256",NULL,camellia256_oids,CAMELLIA_BLOCK_SIZE,256,
+    sizeof(CAMELLIA_context),camellia_setkey,camellia_encrypt,camellia_decrypt
+  };