#include <assert.h>
#include <openssl/camellia.h>
#include "evp_locl.h"
+#include "modes_lcl.h"
static int camellia_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
const unsigned char *iv, int enc);
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)
+#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 "sparc_arch.h"
+
+extern unsigned int OPENSSL_sparcv9cap_P[];
+
+#define SPARC_CMLL_CAPABLE (OPENSSL_sparcv9cap_P[1] & CFR_CAMELLIA)
+
+void cmll_t4_set_key (const unsigned char *key, int bits,
+ CAMELLIA_KEY *ks);
+void cmll_t4_encrypt (const unsigned char *in, unsigned char *out,
+ const CAMELLIA_KEY *key);
+void cmll_t4_decrypt (const unsigned char *in, unsigned char *out,
+ const CAMELLIA_KEY *key);
+
+void cmll128_t4_cbc_encrypt (const unsigned char *in, unsigned char *out,
+ size_t len, const CAMELLIA_KEY *key,
+ unsigned char *ivec);
+void cmll128_t4_cbc_decrypt (const unsigned char *in, unsigned char *out,
+ size_t len, const CAMELLIA_KEY *key,
+ unsigned char *ivec);
+void cmll256_t4_cbc_encrypt (const unsigned char *in, unsigned char *out,
+ size_t len, const CAMELLIA_KEY *key,
+ unsigned char *ivec);
+void cmll256_t4_cbc_decrypt (const unsigned char *in, unsigned char *out,
+ size_t len, const CAMELLIA_KEY *key,
+ unsigned char *ivec);
+void cmll128_t4_ctr32_encrypt (const unsigned char *in, unsigned char *out,
+ size_t blocks, const CAMELLIA_KEY *key,
+ unsigned char *ivec);
+void cmll256_t4_ctr32_encrypt (const unsigned char *in, unsigned char *out,
+ size_t blocks, const CAMELLIA_KEY *key,
+ unsigned char *ivec);
+
+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 *)ctx->cipher_data;
+
+ mode = ctx->cipher->flags & EVP_CIPH_MODE;
+ bits = ctx->key_len*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)
+ {
+ EVPerr(EVP_F_CMLL_T4_INIT_KEY,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);
+
+#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);
+
+#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);
+
+#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, \
+ 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, \
+ 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
+
+#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, \
+ 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)
+#if 0 /* not yet, missing NID */
+ BLOCK_CIPHER_generic(nid,keylen,1,16,ctr,ctr,CTR,flags)
+#endif
/* 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);
+ int ret, mode;
+ EVP_CAMELLIA_KEY *dat = (EVP_CAMELLIA_KEY *)ctx->cipher_data;
+ ret=Camellia_set_key(key, ctx->key_len * 8, &dat->ks);
if(ret < 0)
{
EVPerr(EVP_F_CAMELLIA_INIT_KEY,EVP_R_CAMELLIA_KEY_SETUP_FAILED);
return 0;
}
+ mode = ctx->cipher->flags & EVP_CIPH_MODE;
+ 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_CAMELLIA_KEY *)ctx->cipher_data;
+
+ if (dat->stream.cbc)
+ (*dat->stream.cbc)(in,out,len,&dat->ks,ctx->iv,ctx->encrypt);
+ else if (ctx->encrypt)
+ CRYPTO_cbc128_encrypt(in,out,len,&dat->ks,ctx->iv,dat->block);
+ else
+ CRYPTO_cbc128_encrypt(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 = ctx->cipher->block_size;
+ size_t i;
+ EVP_CAMELLIA_KEY *dat = (EVP_CAMELLIA_KEY *)ctx->cipher_data;
+
+ 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_CAMELLIA_KEY *)ctx->cipher_data;
+
+ CRYPTO_ofb128_encrypt(in,out,len,&dat->ks,
+ ctx->iv,&ctx->num,dat->block);
+ 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_CAMELLIA_KEY *)ctx->cipher_data;
+
+ CRYPTO_cfb128_encrypt(in,out,len,&dat->ks,
+ ctx->iv,&ctx->num,ctx->encrypt,dat->block);
+ 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_CAMELLIA_KEY *)ctx->cipher_data;
+
+ CRYPTO_cfb128_8_encrypt(in,out,len,&dat->ks,
+ ctx->iv,&ctx->num,ctx->encrypt,dat->block);
+ 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_CAMELLIA_KEY *)ctx->cipher_data;
+
+ if (ctx->flags&EVP_CIPH_FLAG_LENGTH_BITS) {
+ CRYPTO_cfb128_1_encrypt(in,out,len,&dat->ks,
+ ctx->iv,&ctx->num,ctx->encrypt,dat->block);
+ return 1;
+ }
+
+ while (len>=MAXBITCHUNK) {
+ CRYPTO_cfb128_1_encrypt(in,out,MAXBITCHUNK*8,&dat->ks,
+ ctx->iv,&ctx->num,ctx->encrypt,dat->block);
+ len-=MAXBITCHUNK;
+ }
+ if (len)
+ CRYPTO_cfb128_1_encrypt(in,out,len*8,&dat->ks,
+ ctx->iv,&ctx->num,ctx->encrypt,dat->block);
+
+ return 1;
+}
+
+#if 0 /* not yet, missing NID */
+static int camellia_ctr_cipher (EVP_CIPHER_CTX *ctx, unsigned char *out,
+ const unsigned char *in, size_t len)
+{
+ unsigned int num = ctx->num;
+ EVP_CAMELLIA_KEY *dat = (EVP_CAMELLIA_KEY *)ctx->cipher_data;
+
+ if (dat->stream.ctr)
+ CRYPTO_ctr128_encrypt_ctr32(in,out,len,&dat->ks,
+ ctx->iv,ctx->buf,&num,dat->stream.ctr);
+ else
+ CRYPTO_ctr128_encrypt(in,out,len,&dat->ks,
+ ctx->iv,ctx->buf,&num,dat->block);
+ ctx->num = (size_t)num;
+ return 1;
+}
+#endif
+
+BLOCK_CIPHER_generic_pack(NID_camellia,128,0)
+BLOCK_CIPHER_generic_pack(NID_camellia,192,0)
+BLOCK_CIPHER_generic_pack(NID_camellia,256,0)
+
#else
# ifdef PEDANTIC
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