A simple CyaSSL-based HMAC-MD5 implementation. Licensed under GPL v2.
Dependents: RFrec_full RFtrans_full
The output will be base64-encoded, with trailing "==", like this:
j62o/jZsAZD9i9m+32lIuQ==
Example
#include "mbed.h" #include "hmac_md5.h" Serial pc(USBTX, USBRX); // tx, rx void main(void) { const char * key = "MySecretKey"; const char * text = "message to be signed"; char output[26]; HMAC_MD5(key, text, output); printf("result = %s\n", output); while(true){} }
misc.h
- Committer:
- igrokhotkov
- Date:
- 2013-02-06
- Revision:
- 0:83f3dcfa5c8f
File content as of revision 0:83f3dcfa5c8f:
/* misc.h * * Copyright (C) 2006-2012 Sawtooth Consulting Ltd. * * This file is part of CyaSSL. * * CyaSSL is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * CyaSSL is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA */ #ifndef CTAO_CRYPT_MISC_H #define CTAO_CRYPT_MISC_H #include "types.h" #ifdef __cplusplus extern "C" { #endif #ifdef NO_INLINE CYASSL_LOCAL word32 rotlFixed(word32, word32); CYASSL_LOCAL word32 rotrFixed(word32, word32); CYASSL_LOCAL word32 ByteReverseWord32(word32); CYASSL_LOCAL void ByteReverseWords(word32*, const word32*, word32); CYASSL_LOCAL void ByteReverseBytes(byte*, const byte*, word32); CYASSL_LOCAL void XorWords(word*, const word*, word32); CYASSL_LOCAL void xorbuf(byte*, const byte*, word32); #ifdef WORD64_AVAILABLE CYASSL_LOCAL word64 rotlFixed64(word64, word64); CYASSL_LOCAL word64 rotrFixed64(word64, word64); CYASSL_LOCAL word64 ByteReverseWord64(word64); CYASSL_LOCAL void ByteReverseWords64(word64*, const word64*, word32); #endif /* WORD64_AVAILABLE */ #endif /* NO_INLINE */ #ifdef __cplusplus } /* extern "C" */ #endif #endif /* CTAO_CRYPT_MISC_H */