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){} }
Diff: misc.h
- Revision:
- 0:83f3dcfa5c8f
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/misc.h Wed Feb 06 20:35:03 2013 +0000 @@ -0,0 +1,74 @@ +/* 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 */ +