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63 lines
1.9 KiB
63 lines
1.9 KiB
/* |
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* Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved. |
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* |
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* Licensed under the OpenSSL license (the "License"). You may not use |
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* this file except in compliance with the License. You can obtain a copy |
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* in the file LICENSE in the source distribution or at |
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* https://www.openssl.org/source/license.html |
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*/ |
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#ifndef HEADER_RC5_H |
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# define HEADER_RC5_H |
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# include <openssl/opensslconf.h> |
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# ifndef OPENSSL_NO_RC5 |
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# ifdef __cplusplus |
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extern "C" { |
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# endif |
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# define RC5_ENCRYPT 1 |
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# define RC5_DECRYPT 0 |
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# define RC5_32_INT unsigned int |
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# define RC5_32_BLOCK 8 |
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# define RC5_32_KEY_LENGTH 16/* This is a default, max is 255 */ |
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/* |
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* This are the only values supported. Tweak the code if you want more The |
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* most supported modes will be RC5-32/12/16 RC5-32/16/8 |
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*/ |
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# define RC5_8_ROUNDS 8 |
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# define RC5_12_ROUNDS 12 |
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# define RC5_16_ROUNDS 16 |
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typedef struct rc5_key_st { |
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/* Number of rounds */ |
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int rounds; |
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RC5_32_INT data[2 * (RC5_16_ROUNDS + 1)]; |
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} RC5_32_KEY; |
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void RC5_32_set_key(RC5_32_KEY *key, int len, const unsigned char *data, |
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int rounds); |
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void RC5_32_ecb_encrypt(const unsigned char *in, unsigned char *out, |
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RC5_32_KEY *key, int enc); |
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void RC5_32_encrypt(unsigned long *data, RC5_32_KEY *key); |
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void RC5_32_decrypt(unsigned long *data, RC5_32_KEY *key); |
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void RC5_32_cbc_encrypt(const unsigned char *in, unsigned char *out, |
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long length, RC5_32_KEY *ks, unsigned char *iv, |
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int enc); |
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void RC5_32_cfb64_encrypt(const unsigned char *in, unsigned char *out, |
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long length, RC5_32_KEY *schedule, |
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unsigned char *ivec, int *num, int enc); |
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void RC5_32_ofb64_encrypt(const unsigned char *in, unsigned char *out, |
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long length, RC5_32_KEY *schedule, |
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unsigned char *ivec, int *num); |
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# ifdef __cplusplus |
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} |
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# endif |
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# endif |
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#endif
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