void Camellia_cfb128_encrypt(const unsigned char *in, unsigned char *out,
size_t length, const CAMELLIA_KEY *key,
unsigned char *ivec, int *num, const int enc)
{
CRYPTO_cfb128_encrypt(in,out,length,key,ivec,num,enc,(block128_f)Camellia_encrypt);
}
static int aes_cfb_cipher (EVP_CIPHER_CTX * ctx, unsigned char *out, const unsigned char *in, size_t len)
{
EVP_AES_KEY *dat = (EVP_AES_KEY *) ctx->cipher_data;
CRYPTO_cfb128_encrypt (in, out, len, &dat->ks, ctx->iv, &ctx->num, ctx->encrypt, dat->block);
return 1;
}
void SEED_cfb128_encrypt(const unsigned char *in, unsigned char *out,
size_t len, const SEED_KEY_SCHEDULE *ks,
unsigned char ivec[SEED_BLOCK_SIZE], int *num,
int enc)
{
CRYPTO_cfb128_encrypt(in, out, len, ks, ivec, num, enc,
(block128_f) SEED_encrypt);
}
static int aesni_cipher_cfb(EVP_CIPHER_CTX *ctx, unsigned char *out,
const unsigned char *in, size_t inl)
{ AES_KEY *key = AESNI_ALIGN(ctx->cipher_data);
CRYPTO_cfb128_encrypt(in, out, inl, key, ctx->iv,
&ctx->num, ctx->encrypt,
(block128_f)aesni_encrypt);
return 1;
}
void AES_cfb128_encrypt(const unsigned char *in, unsigned char *out,
size_t length, const AES_KEY *key,
unsigned char *ivec, int *num, const int enc)
{
CRYPTO_cfb128_encrypt(in, out, length, key, ivec, num, enc,
(block128_f) AES_encrypt);
}
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_num(ctx);
CRYPTO_cfb128_encrypt(in, out, len, &dat->ks,
EVP_CIPHER_CTX_iv_noconst(ctx), &num, EVP_CIPHER_CTX_encrypting(ctx), dat->block);
EVP_CIPHER_CTX_set_num(ctx, num);
return 1;
}
void sms4_cfb128_encrypt(const unsigned char *in, unsigned char *out,
size_t length, const sms4_key_t *key,
unsigned char *ivec, int *num, int encrypt) {
CRYPTO_cfb128_encrypt(in,out,length,key,ivec,num,encrypt,(block128_f)sms4_encrypt);
}
