GmSSL/crypto/evp/a.c.BAK

static int sms4_cbc_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, size_t inl) { 
while(inl>=((size_t)1<<(sizeof(long)*8-2))) { sms4_cbc_encrypt(in, out, (long)((size_t)1<<(sizeof(long)*8-2)), &((EVP_SMS4_KEY *)ctx->cipher_data)->ks, ctx->iv, ctx->encrypt); inl-=((size_t)1<<(sizeof(long)*8-2)); in +=((size_t)1<<(sizeof(long)*8-2)); out+=((size_t)1<<(sizeof(long)*8-2)); } if (inl) sms4_cbc_encrypt(in, out, (long)inl, &((EVP_SMS4_KEY *)ctx->cipher_data)->ks, ctx->iv, ctx->encrypt); return 1;} static int sms4_cfb128_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, size_t inl) { size_t chunk=((size_t)1<<(sizeof(long)*8-2)); if (128==1) chunk>>=3; if (inl<chunk) chunk=inl; while(inl && inl>=chunk) { sms4_cfb128_encrypt(in, out, (long)((128==1) && !(ctx->flags & 0x2000) ?inl*8:inl), &((EVP_SMS4_KEY *)ctx->cipher_data)->ks, ctx->iv, &ctx->num, ctx->encrypt); inl-=chunk; in +=chunk; out+=chunk; if(inl<chunk) chunk=inl; } return 1;} static int sms4_ecb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, size_t inl) { size_t i, bl; bl = ctx->cipher->block_size; if(inl < bl) return 1; inl -= bl; for(i=0; i <= inl; i+=bl) sms4_ecb_encrypt(in + i, out + i, &((EVP_SMS4_KEY *)ctx->cipher_data)->ks, ctx->encrypt); return 1;} static int sms4_ofb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, size_t inl) { while(inl>=((size_t)1<<(sizeof(long)*8-2))) { sms4_ofb128_encrypt(in, out, (long)((size_t)1<<(sizeof(long)*8-2)), &((EVP_SMS4_KEY *)ctx->cipher_data)->ks, ctx->iv, &ctx->num); inl-=((size_t)1<<(sizeof(long)*8-2)); in +=((size_t)1<<(sizeof(long)*8-2)); out+=((size_t)1<<(sizeof(long)*8-2)); } if (inl) sms4_ofb128_encrypt(in, out, (long)inl, &((EVP_SMS4_KEY *)ctx->cipher_data)->ks, ctx->iv, &ctx->num); return 1;} static const EVP_CIPHER sms4_cbc = { 978, 16, 16, 16, 0 | 0x2, sms4_init_key, sms4_cbc_cipher, ((void*)0), sizeof(EVP_SMS4_KEY), ((void*)0), ((void*)0), ((void*)0), ((void*)0) }; const EVP_CIPHER *EVP_sms4_cbc(void) { return &sms4_cbc; } static const EVP_CIPHER sms4_cfb128 = { 982, 1, 16, 16, 0 | 0x3, sms4_init_key, sms4_cfb128_cipher, ((void*)0), sizeof(EVP_SMS4_KEY), ((void*)0), ((void*)0), ((void*)0), ((void*)0) }; const EVP_CIPHER *EVP_sms4_cfb128(void) { return &sms4_cfb128; } static const EVP_CIPHER sms4_ofb = { 981, 1, 16, 16, 0 | 0x4, sms4_init_key, sms4_ofb_cipher, ((void*)0), sizeof(EVP_SMS4_KEY), ((void*)0), ((void*)0), ((void*)0), ((void*)0) }; const EVP_CIPHER *EVP_sms4_ofb(void) { return &sms4_ofb; } static const EVP_CIPHER sms4_ecb = { 977, 16, 16, 0, 0 | 0x1, sms4_init_key, sms4_ecb_cipher, ((void*)0), sizeof(EVP_SMS4_KEY), ((void*)0), ((void*)0), ((void*)0), ((void*)0) }; const EVP_CIPHER *EVP_sms4_ecb(void) { return &sms4_ecb; }