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102 lines
3.8 KiB
C
102 lines
3.8 KiB
C
/* crypto/ffx/ffx.h */
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/* ====================================================================
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* Copyright (c) 2015 The GmSSL Project. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* 3. All advertising materials mentioning features or use of this
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* software must display the following acknowledgment:
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* "This product includes software developed by the GmSSL Project.
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* (http://gmssl.org/)"
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*
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* 4. The name "GmSSL Project" must not be used to endorse or promote
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* products derived from this software without prior written
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* permission. For written permission, please contact
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* guanzhi1980@gmail.com.
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*
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* 5. Products derived from this software may not be called "GmSSL"
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* nor may "GmSSL" appear in their names without prior written
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* permission of the GmSSL Project.
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*
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* 6. Redistributions of any form whatsoever must retain the following
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* acknowledgment:
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* "This product includes software developed by the GmSSL Project
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* (http://gmssl.org/)"
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*
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* THIS SOFTWARE IS PROVIDED BY THE GmSSL PROJECT ``AS IS'' AND ANY
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* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE GmSSL PROJECT OR
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* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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* ====================================================================
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*
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*/
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#ifndef HEADER_FFX_H
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#define HEADER_FFX_H
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#include <string.h>
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#include <openssl/aes.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef struct {
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int flag;
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AES_KEY key;
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} FFX_CTX;
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int FFX_init(FFX_CTX *ctx, int flag, const unsigned char *key, int keybits);
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void FFX_cleanup(FFX_CTX *ctx);
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int FFX_encrypt(FFX_CTX *ctx, const char *in, size_t inlen,
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const unsigned char *tweak, size_t tweaklen, char *out);
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int FFX_decrypt(FFX_CTX *ctx, const char *in, size_t inlen,
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const unsigned char *tweak, size_t tweaklen, char *out);
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int FFX_compute_luhn(const char *in, size_t inlen);
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/* BEGIN ERROR CODES */
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/*
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* The following lines are auto generated by the script mkerr.pl. Any changes
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* made after this point may be overwritten when the script is next run.
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*/
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void ERR_load_FFX_strings(void);
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/* Error codes for the FFX functions. */
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/* Function codes. */
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# define FFX_F_FFX_COMPUTE_LUHN 100
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# define FFX_F_FFX_DECRYPT 101
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# define FFX_F_FFX_ENCRYPT 102
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# define FFX_F_FFX_INIT 103
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/* Reason codes. */
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# define FFX_R_INIT_KEY_FAILED 100
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# define FFX_R_INVALID_DIGITS_FORMAT 101
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# define FFX_R_INVALID_DIGITS_LENGTH 102
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# define FFX_R_INVALID_DIGIT_STRING 103
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# define FFX_R_INVALID_TWEAK_LENGTH 104
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#ifdef __cplusplus
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}
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#endif
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#endif
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