blowfish.h (1586B)
1 // Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved. 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // https://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 // See the License for the specific language governing permissions and 13 // limitations under the License. 14 15 #ifndef OPENSSL_HEADER_BLOWFISH_H 16 #define OPENSSL_HEADER_BLOWFISH_H 17 18 #include <openssl/base.h> // IWYU pragma: export 19 20 #ifdef __cplusplus 21 extern "C" { 22 #endif 23 24 25 #define BF_ENCRYPT 1 26 #define BF_DECRYPT 0 27 28 #define BF_ROUNDS 16 29 #define BF_BLOCK 8 30 31 typedef struct bf_key_st { 32 uint32_t P[BF_ROUNDS + 2]; 33 uint32_t S[4 * 256]; 34 } BF_KEY; 35 36 OPENSSL_EXPORT void BF_set_key(BF_KEY *key, size_t len, const uint8_t *data); 37 OPENSSL_EXPORT void BF_encrypt(uint32_t *data, const BF_KEY *key); 38 OPENSSL_EXPORT void BF_decrypt(uint32_t *data, const BF_KEY *key); 39 40 OPENSSL_EXPORT void BF_ecb_encrypt(const uint8_t *in, uint8_t *out, 41 const BF_KEY *key, int enc); 42 OPENSSL_EXPORT void BF_cbc_encrypt(const uint8_t *in, uint8_t *out, 43 size_t length, const BF_KEY *schedule, 44 uint8_t *ivec, int enc); 45 46 47 #ifdef __cplusplus 48 } 49 #endif 50 51 #endif // OPENSSL_HEADER_BLOWFISH_H