ca784be4e2
The license of the original source is stipulated in https://github.com/kokke/tiny-AES-c/blob/master/unlicense.txt.
72 lines
2.3 KiB
C
72 lines
2.3 KiB
C
/*
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This is free and unencumbered software released into the public domain.
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Anyone is free to copy, modify, publish, use, compile, sell, or
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distribute this software, either in source code form or as a compiled
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binary, for any purpose, commercial or non-commercial, and by any
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means.
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In jurisdictions that recognize copyright laws, the author or authors
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of this software dedicate any and all copyright interest in the
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software to the public domain. We make this dedication for the benefit
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of the public at large and to the detriment of our heirs and
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successors. We intend this dedication to be an overt act of
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relinquishment in perpetuity of all present and future rights to this
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software under copyright law.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
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OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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OTHER DEALINGS IN THE SOFTWARE.
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For more information, please refer to <http://unlicense.org/>
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*/
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#ifndef _AES_H_
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#define _AES_H_
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#ifdef _MSC_VER
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typedef unsigned char uint8_t;
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typedef unsigned int uint32_t;
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#else
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#include <stdint.h>
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#endif
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// #define the macros below to 1/0 to enable/disable the mode of operation.
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//
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// CBC enables AES128 encryption in CBC-mode of operation and handles 0-padding.
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// ECB enables the basic ECB 16-byte block algorithm. Both can be enabled simultaneously.
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// The #ifndef-guard allows it to be configured before #include'ing or at compile time.
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#ifndef CBC
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#define CBC 1
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#endif
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#ifndef ECB
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#define ECB 1
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#endif
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#if defined(ECB) && ECB
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void AES128_ECB_encrypt(uint8_t* input, const uint8_t* key, uint8_t *output);
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void AES128_ECB_decrypt(uint8_t* input, const uint8_t* key, uint8_t *output);
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#endif // #if defined(ECB) && ECB
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#if defined(CBC) && CBC
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void AES128_CBC_encrypt_buffer(uint8_t* output, uint8_t* input, uint32_t length, const uint8_t* key, const uint8_t* iv);
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void AES128_CBC_decrypt_buffer(uint8_t* output, uint8_t* input, uint32_t length, const uint8_t* key, const uint8_t* iv);
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#endif // #if defined(CBC) && CBC
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#endif //_AES_H_
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