diff options
Diffstat (limited to 'util_tx_test/inc')
-rw-r--r-- | util_tx_test/inc/base64.h | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/util_tx_test/inc/base64.h b/util_tx_test/inc/base64.h new file mode 100644 index 0000000..e57eb47 --- /dev/null +++ b/util_tx_test/inc/base64.h @@ -0,0 +1,62 @@ +/* + / _____) _ | | +( (____ _____ ____ _| |_ _____ ____| |__ + \____ \| ___ | (_ _) ___ |/ ___) _ \ + _____) ) ____| | | || |_| ____( (___| | | | +(______/|_____)_|_|_| \__)_____)\____)_| |_| + (C)2013 Semtech-Cycleo + +Description: + Base64 encoding & decoding library + +License: Revised BSD License, see LICENSE.TXT file include in the project +Maintainer: Sylvain Miermont +*/ + + +#ifndef _BASE64_H +#define _BASE64_H + +/* -------------------------------------------------------------------------- */ +/* --- DEPENDANCIES --------------------------------------------------------- */ + +#include <stdint.h> /* C99 types */ + +/* -------------------------------------------------------------------------- */ +/* --- PUBLIC FUNCTIONS PROTOTYPES ------------------------------------------ */ + +/** +@brief Encode binary data in Base64 string (no padding) +@param in pointer to a table of binary data +@param size number of bytes to be encoded to base64 +@param out pointer to a string where the function will output encoded data +@param max_len max length of the out string (including null char) +@return >=0 length of the resulting string (w/o null char), -1 for error +*/ +int bin_to_b64_nopad(const uint8_t * in, int size, char * out, int max_len); + +/** +@brief Decode Base64 string to binary data (no padding) +@param in string containing only base64 valid characters +@param size number of characters to be decoded from base64 (w/o null char) +@param out pointer to a data buffer where the function will output decoded data +@param out_max_len usable size of the output data buffer +@return >=0 number of bytes written to the data buffer, -1 for error +*/ +int b64_to_bin_nopad(const char * in, int size, uint8_t * out, int max_len); + +/* === derivative functions === */ + +/** +@brief Encode binary data in Base64 string (with added padding) +*/ +int bin_to_b64(const uint8_t * in, int size, char * out, int max_len); + +/** +@brief Decode Base64 string to binary data (remove padding if necessary) +*/ +int b64_to_bin(const char * in, int size, uint8_t * out, int max_len); + +#endif + +/* --- EOF ------------------------------------------------------------------ */ |