-/* 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).
+/*
+ * Copyright 2006-2021 The OpenSSL Project Authors. All Rights Reserved.
*
+ * Licensed under the Apache License 2.0 (the "License"). You may not use
+ * this file except in compliance with the License. You can obtain a copy
+ * in the file LICENSE in the source distribution or at
+ * https://www.openssl.org/source/license.html
+ */
+
+/*
+ * Camellia low level APIs are deprecated for public use, but still ok for
+ * internal use.
*/
+#include "internal/deprecated.h"
#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"
+#include "crypto/evp.h"
+#include "crypto/modes.h"
+#include "crypto/cmll_platform.h"
+#include "evp_local.h"
static int camellia_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
- const unsigned char *iv, int enc);
+ const unsigned char *iv, int enc);
/* Camellia subkey Structure */
-typedef struct
- {
- CAMELLIA_KEY ks;
- } EVP_CAMELLIA_KEY;
+typedef struct {
+ CAMELLIA_KEY ks;
+ block128_f block;
+ union {
+ cbc128_f cbc;
+ ctr128_f ctr;
+ } stream;
+} EVP_CAMELLIA_KEY;
+
+#define MAXBITCHUNK ((size_t)1<<(sizeof(size_t)*8-4))
/* 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;
+#define data(ctx) EVP_C_DATA(EVP_CAMELLIA_KEY,ctx)
+
+#if defined(AES_ASM) && (defined(__sparc) || defined(__sparc__))
+/* ---------^^^ this is not a typo, just a way to detect that
+ * assembler support was in general requested... */
+# include "crypto/sparc_arch.h"
+
+static int cmll_t4_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
+ const unsigned char *iv, int enc)
+{
+ int ret, mode, bits;
+ EVP_CAMELLIA_KEY *dat =
+ (EVP_CAMELLIA_KEY *)EVP_CIPHER_CTX_get_cipher_data(ctx);
+
+ mode = EVP_CIPHER_CTX_get_mode(ctx);
+ bits = EVP_CIPHER_CTX_get_key_length(ctx) * 8;
+
+ cmll_t4_set_key(key, bits, &dat->ks);
+
+ if ((mode == EVP_CIPH_ECB_MODE || mode == EVP_CIPH_CBC_MODE)
+ && !enc) {
+ ret = 0;
+ dat->block = (block128_f) cmll_t4_decrypt;
+ switch (bits) {
+ case 128:
+ dat->stream.cbc = mode == EVP_CIPH_CBC_MODE ?
+ (cbc128_f) cmll128_t4_cbc_decrypt : NULL;
+ break;
+ case 192:
+ case 256:
+ dat->stream.cbc = mode == EVP_CIPH_CBC_MODE ?
+ (cbc128_f) cmll256_t4_cbc_decrypt : NULL;
+ break;
+ default:
+ ret = -1;
+ }
+ } else {
+ ret = 0;
+ dat->block = (block128_f) cmll_t4_encrypt;
+ switch (bits) {
+ case 128:
+ if (mode == EVP_CIPH_CBC_MODE)
+ dat->stream.cbc = (cbc128_f) cmll128_t4_cbc_encrypt;
+ else if (mode == EVP_CIPH_CTR_MODE)
+ dat->stream.ctr = (ctr128_f) cmll128_t4_ctr32_encrypt;
+ else
+ dat->stream.cbc = NULL;
+ break;
+ case 192:
+ case 256:
+ if (mode == EVP_CIPH_CBC_MODE)
+ dat->stream.cbc = (cbc128_f) cmll256_t4_cbc_encrypt;
+ else if (mode == EVP_CIPH_CTR_MODE)
+ dat->stream.ctr = (ctr128_f) cmll256_t4_ctr32_encrypt;
+ else
+ dat->stream.cbc = NULL;
+ break;
+ default:
+ ret = -1;
+ }
+ }
+
+ if (ret < 0) {
+ ERR_raise(ERR_LIB_EVP, EVP_R_CAMELLIA_KEY_SETUP_FAILED);
+ return 0;
+ }
+
+ return 1;
+}
+
+# define cmll_t4_cbc_cipher camellia_cbc_cipher
+static int cmll_t4_cbc_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
+ const unsigned char *in, size_t len);
+
+# define cmll_t4_ecb_cipher camellia_ecb_cipher
+static int cmll_t4_ecb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
+ const unsigned char *in, size_t len);
+
+# define cmll_t4_ofb_cipher camellia_ofb_cipher
+static int cmll_t4_ofb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
+ const unsigned char *in, size_t len);
+
+# define cmll_t4_cfb_cipher camellia_cfb_cipher
+static int cmll_t4_cfb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
+ const unsigned char *in, size_t len);
+
+# define cmll_t4_cfb8_cipher camellia_cfb8_cipher
+static int cmll_t4_cfb8_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
+ const unsigned char *in, size_t len);
- ret=Camellia_set_key(key, ctx->key_len * 8, ctx->cipher_data);
+# define cmll_t4_cfb1_cipher camellia_cfb1_cipher
+static int cmll_t4_cfb1_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
+ const unsigned char *in, size_t len);
- if(ret < 0)
- {
- EVPerr(EVP_F_CAMELLIA_INIT_KEY,EVP_R_CAMELLIA_KEY_SETUP_FAILED);
- return 0;
- }
+# define cmll_t4_ctr_cipher camellia_ctr_cipher
+static int cmll_t4_ctr_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
+ const unsigned char *in, size_t len);
- return 1;
- }
+# define BLOCK_CIPHER_generic(nid,keylen,blocksize,ivlen,nmode,mode,MODE,flags) \
+static const EVP_CIPHER cmll_t4_##keylen##_##mode = { \
+ nid##_##keylen##_##nmode,blocksize,keylen/8,ivlen, \
+ flags|EVP_CIPH_##MODE##_MODE, \
+ EVP_ORIG_GLOBAL, \
+ cmll_t4_init_key, \
+ cmll_t4_##mode##_cipher, \
+ NULL, \
+ sizeof(EVP_CAMELLIA_KEY), \
+ NULL,NULL,NULL,NULL }; \
+static const EVP_CIPHER camellia_##keylen##_##mode = { \
+ nid##_##keylen##_##nmode,blocksize, \
+ keylen/8,ivlen, \
+ flags|EVP_CIPH_##MODE##_MODE, \
+ EVP_ORIG_GLOBAL, \
+ camellia_init_key, \
+ camellia_##mode##_cipher, \
+ NULL, \
+ sizeof(EVP_CAMELLIA_KEY), \
+ NULL,NULL,NULL,NULL }; \
+const EVP_CIPHER *EVP_camellia_##keylen##_##mode(void) \
+{ return SPARC_CMLL_CAPABLE?&cmll_t4_##keylen##_##mode:&camellia_##keylen##_##mode; }
#else
-# ifdef PEDANTIC
-static void *dummy=&dummy;
-# endif
+# define BLOCK_CIPHER_generic(nid,keylen,blocksize,ivlen,nmode,mode,MODE,flags) \
+static const EVP_CIPHER camellia_##keylen##_##mode = { \
+ nid##_##keylen##_##nmode,blocksize,keylen/8,ivlen, \
+ flags|EVP_CIPH_##MODE##_MODE, \
+ EVP_ORIG_GLOBAL, \
+ camellia_init_key, \
+ camellia_##mode##_cipher, \
+ NULL, \
+ sizeof(EVP_CAMELLIA_KEY), \
+ NULL,NULL,NULL,NULL }; \
+const EVP_CIPHER *EVP_camellia_##keylen##_##mode(void) \
+{ return &camellia_##keylen##_##mode; }
#endif
+
+#define BLOCK_CIPHER_generic_pack(nid,keylen,flags) \
+ BLOCK_CIPHER_generic(nid,keylen,16,16,cbc,cbc,CBC,flags|EVP_CIPH_FLAG_DEFAULT_ASN1) \
+ BLOCK_CIPHER_generic(nid,keylen,16,0,ecb,ecb,ECB,flags|EVP_CIPH_FLAG_DEFAULT_ASN1) \
+ BLOCK_CIPHER_generic(nid,keylen,1,16,ofb128,ofb,OFB,flags|EVP_CIPH_FLAG_DEFAULT_ASN1) \
+ BLOCK_CIPHER_generic(nid,keylen,1,16,cfb128,cfb,CFB,flags|EVP_CIPH_FLAG_DEFAULT_ASN1) \
+ BLOCK_CIPHER_generic(nid,keylen,1,16,cfb1,cfb1,CFB,flags) \
+ BLOCK_CIPHER_generic(nid,keylen,1,16,cfb8,cfb8,CFB,flags) \
+ BLOCK_CIPHER_generic(nid, keylen, 1, 16, ctr, ctr, CTR, flags)
+
+/* 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, mode;
+ EVP_CAMELLIA_KEY *dat = EVP_C_DATA(EVP_CAMELLIA_KEY, ctx);
+
+ ret = Camellia_set_key(key, EVP_CIPHER_CTX_get_key_length(ctx) * 8,
+ &dat->ks);
+ if (ret < 0) {
+ ERR_raise(ERR_LIB_EVP, EVP_R_CAMELLIA_KEY_SETUP_FAILED);
+ return 0;
+ }
+
+ mode = EVP_CIPHER_CTX_get_mode(ctx);
+ if ((mode == EVP_CIPH_ECB_MODE || mode == EVP_CIPH_CBC_MODE)
+ && !enc) {
+ dat->block = (block128_f) Camellia_decrypt;
+ dat->stream.cbc = mode == EVP_CIPH_CBC_MODE ?
+ (cbc128_f) Camellia_cbc_encrypt : NULL;
+ } else {
+ dat->block = (block128_f) Camellia_encrypt;
+ dat->stream.cbc = mode == EVP_CIPH_CBC_MODE ?
+ (cbc128_f) Camellia_cbc_encrypt : NULL;
+ }
+
+ return 1;
+}
+
+static int camellia_cbc_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
+ const unsigned char *in, size_t len)
+{
+ EVP_CAMELLIA_KEY *dat = EVP_C_DATA(EVP_CAMELLIA_KEY, ctx);
+
+ if (dat->stream.cbc)
+ (*dat->stream.cbc) (in, out, len, &dat->ks, ctx->iv,
+ EVP_CIPHER_CTX_is_encrypting(ctx));
+ else if (EVP_CIPHER_CTX_is_encrypting(ctx))
+ CRYPTO_cbc128_encrypt(in, out, len, &dat->ks, ctx->iv, dat->block);
+ else
+ CRYPTO_cbc128_decrypt(in, out, len, &dat->ks, ctx->iv, dat->block);
+
+ return 1;
+}
+
+static int camellia_ecb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
+ const unsigned char *in, size_t len)
+{
+ size_t bl = EVP_CIPHER_CTX_get_block_size(ctx);
+ size_t i;
+ EVP_CAMELLIA_KEY *dat = EVP_C_DATA(EVP_CAMELLIA_KEY, ctx);
+
+ if (len < bl)
+ return 1;
+
+ for (i = 0, len -= bl; i <= len; i += bl)
+ (*dat->block) (in + i, out + i, &dat->ks);
+
+ return 1;
+}
+
+static int camellia_ofb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
+ const unsigned char *in, size_t len)
+{
+ EVP_CAMELLIA_KEY *dat = EVP_C_DATA(EVP_CAMELLIA_KEY, ctx);
+
+ int num = EVP_CIPHER_CTX_get_num(ctx);
+ CRYPTO_ofb128_encrypt(in, out, len, &dat->ks, ctx->iv, &num, dat->block);
+ EVP_CIPHER_CTX_set_num(ctx, num);
+ return 1;
+}
+
+static int camellia_cfb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
+ const unsigned char *in, size_t len)
+{
+ EVP_CAMELLIA_KEY *dat = EVP_C_DATA(EVP_CAMELLIA_KEY, ctx);
+
+ int num = EVP_CIPHER_CTX_get_num(ctx);
+ CRYPTO_cfb128_encrypt(in, out, len, &dat->ks, ctx->iv, &num,
+ EVP_CIPHER_CTX_is_encrypting(ctx), dat->block);
+ EVP_CIPHER_CTX_set_num(ctx, num);
+ return 1;
+}
+
+static int camellia_cfb8_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
+ const unsigned char *in, size_t len)
+{
+ EVP_CAMELLIA_KEY *dat = EVP_C_DATA(EVP_CAMELLIA_KEY, ctx);
+
+ int num = EVP_CIPHER_CTX_get_num(ctx);
+ CRYPTO_cfb128_8_encrypt(in, out, len, &dat->ks, ctx->iv, &num,
+ EVP_CIPHER_CTX_is_encrypting(ctx), dat->block);
+ EVP_CIPHER_CTX_set_num(ctx, num);
+ return 1;
+}
+
+static int camellia_cfb1_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
+ const unsigned char *in, size_t len)
+{
+ EVP_CAMELLIA_KEY *dat = EVP_C_DATA(EVP_CAMELLIA_KEY, ctx);
+
+ if (EVP_CIPHER_CTX_test_flags(ctx, EVP_CIPH_FLAG_LENGTH_BITS)) {
+ int num = EVP_CIPHER_CTX_get_num(ctx);
+ CRYPTO_cfb128_1_encrypt(in, out, len, &dat->ks, ctx->iv, &num,
+ EVP_CIPHER_CTX_is_encrypting(ctx),
+ dat->block);
+ EVP_CIPHER_CTX_set_num(ctx, num);
+ return 1;
+ }
+
+ while (len >= MAXBITCHUNK) {
+ int num = EVP_CIPHER_CTX_get_num(ctx);
+ CRYPTO_cfb128_1_encrypt(in, out, MAXBITCHUNK * 8, &dat->ks,
+ ctx->iv, &num,
+ EVP_CIPHER_CTX_is_encrypting(ctx),
+ dat->block);
+ EVP_CIPHER_CTX_set_num(ctx, num);
+ len -= MAXBITCHUNK;
+ out += MAXBITCHUNK;
+ in += MAXBITCHUNK;
+ }
+ if (len) {
+ int num = EVP_CIPHER_CTX_get_num(ctx);
+ CRYPTO_cfb128_1_encrypt(in, out, len * 8, &dat->ks,
+ ctx->iv, &num,
+ EVP_CIPHER_CTX_is_encrypting(ctx),
+ dat->block);
+ EVP_CIPHER_CTX_set_num(ctx, num);
+ }
+
+ return 1;
+}
+
+static int camellia_ctr_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
+ const unsigned char *in, size_t len)
+{
+ int snum = EVP_CIPHER_CTX_get_num(ctx);
+ unsigned int num;
+ EVP_CAMELLIA_KEY *dat = EVP_C_DATA(EVP_CAMELLIA_KEY, ctx);
+
+ if (snum < 0)
+ return 0;
+ num = snum;
+ if (dat->stream.ctr)
+ CRYPTO_ctr128_encrypt_ctr32(in, out, len, &dat->ks, ctx->iv,
+ EVP_CIPHER_CTX_buf_noconst(ctx),
+ &num,
+ dat->stream.ctr);
+ else
+ CRYPTO_ctr128_encrypt(in, out, len, &dat->ks, ctx->iv,
+ EVP_CIPHER_CTX_buf_noconst(ctx), &num,
+ dat->block);
+ EVP_CIPHER_CTX_set_num(ctx, num);
+ return 1;
+}
+
+BLOCK_CIPHER_generic_pack(NID_camellia, 128, 0)
+ BLOCK_CIPHER_generic_pack(NID_camellia, 192, 0)
+ BLOCK_CIPHER_generic_pack(NID_camellia, 256, 0)
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