Camellia cipher, contributed by NTT

Submitted by: Masashi Fujita
Reviewed by: Bodo Moeller

crypto/evp/e_camellia.c

+/* crypto/evp/e_camellia.c -*- mode:C; c-file-style: "eay" -*- */
+/* ====================================================================
+ * Copyright (c) 2006 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
+ *    openssl-core@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 <openssl/opensslconf.h>
+#ifndef OPENSSL_NO_CAMELLIA
+#include <openssl/evp.h>
+#include <openssl/err.h>
+#include <string.h>
+#include <assert.h>
+#include <openssl/camellia.h>
+#include "evp_locl.h"
+
+static int camellia_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
+	const unsigned char *iv, int enc);
+
+/* Camellia subkey Structure */
+typedef struct
+	{
+	CAMELLIA_KEY ks;
+	} EVP_CAMELLIA_KEY;
+
+/* Attribute operation for Camellia */
+#define data(ctx)	EVP_C_DATA(EVP_CAMELLIA_KEY,ctx)
+
+IMPLEMENT_BLOCK_CIPHER(camellia_128, ks, Camellia, EVP_CAMELLIA_KEY,
+	NID_camellia_128, 16, 16, 16, 128,
+	0, camellia_init_key, NULL, 
+	EVP_CIPHER_set_asn1_iv,
+	EVP_CIPHER_get_asn1_iv,
+	NULL)
+IMPLEMENT_BLOCK_CIPHER(camellia_192, ks, Camellia, EVP_CAMELLIA_KEY,
+	NID_camellia_192, 16, 24, 16, 128,
+	0, camellia_init_key, NULL, 
+	EVP_CIPHER_set_asn1_iv,
+	EVP_CIPHER_get_asn1_iv,
+	NULL)
+IMPLEMENT_BLOCK_CIPHER(camellia_256, ks, Camellia, EVP_CAMELLIA_KEY,
+	NID_camellia_256, 16, 32, 16, 128,
+	0, camellia_init_key, NULL, 
+	EVP_CIPHER_set_asn1_iv,
+	EVP_CIPHER_get_asn1_iv,
+	NULL)
+
+#define IMPLEMENT_CAMELLIA_CFBR(ksize,cbits)	IMPLEMENT_CFBR(camellia,Camellia,EVP_CAMELLIA_KEY,ks,ksize,cbits,16)
+
+IMPLEMENT_CAMELLIA_CFBR(128,1)
+IMPLEMENT_CAMELLIA_CFBR(192,1)
+IMPLEMENT_CAMELLIA_CFBR(256,1)
+
+IMPLEMENT_CAMELLIA_CFBR(128,8)
+IMPLEMENT_CAMELLIA_CFBR(192,8)
+IMPLEMENT_CAMELLIA_CFBR(256,8)
+
+
+
+/* The subkey for Camellia is generated. */ 
+static int camellia_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
+	const unsigned char *iv, int enc)
+	{
+	int ret;
+
+	ret=Camellia_set_key(key, ctx->key_len * 8, ctx->cipher_data);
+
+	if(ret < 0)
+		{
+		EVPerr(EVP_F_CAMELLIA_INIT_KEY,EVP_R_CAMELLIA_KEY_SETUP_FAILED);
+		return 0;
+		}
+
+	return 1;
+	}
+
+#endif