10 FILE_LICENCE ( GPL2_OR_LATER );
16 * Calculate length of base64-encoded data
18 * @v raw_len Raw data length
19 * @ret encoded_len Encoded string length (excluding NUL)
21 static inline size_t base64_encoded_len ( size_t raw_len ) {
22 return ( ( ( raw_len + 3 - 1 ) / 3 ) * 4 );
26 * Calculate maximum length of base64-decoded string
28 * @v encoded Encoded string
29 * @v max_raw_len Maximum length of raw data
31 * Note that the exact length of the raw data cannot be known until
32 * the string is decoded.
34 static inline size_t base64_decoded_max_len ( const char *encoded ) {
35 return ( ( ( strlen ( encoded ) + 4 - 1 ) / 4 ) * 3 );
38 extern void base64_encode ( const uint8_t *raw, size_t len, char *encoded );
39 extern int base64_decode ( const char *encoded, uint8_t *raw );
41 #endif /* _IPXE_BASE64_H */