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: coding.h
- Revision:
- 0:83f3dcfa5c8f
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/coding.h Wed Feb 06 20:35:03 2013 +0000 @@ -0,0 +1,50 @@ +/* coding.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_CODING_H +#define CTAO_CRYPT_CODING_H + +#include "types.h" + +#ifdef __cplusplus + extern "C" { +#endif + + +/* decode needed by CyaSSL */ +CYASSL_LOCAL int Base64_Decode(const byte* in, word32 inLen, byte* out, + word32* outLen); + +CYASSL_API int Base64_Encode(const byte* in, word32 inLen, byte* out, + word32* outLen); + +#if defined(OPENSSL_EXTRA) || defined(SESSION_CERTS) || defined(CYASSL_KEY_GEN) || defined(CYASSL_CERT_GEN) || defined(HAVE_WEBSERVER) + CYASSL_LOCAL + int Base16_Decode(const byte* in, word32 inLen, byte* out, word32* outLen); +#endif + +#ifdef __cplusplus + } /* extern "C" */ +#endif + +#endif /* CTAO_CRYPT_CODING_H */ +