Base64 encoding/decoding library in C.

Reference

base64Encode

int base64Encode(const uint8_t *src, size_t srclen, char *dst, size_t dstlen);

Encodes the byte string src of length srclen into the null-terminated string dst. dst accepts lengths up to dstlen.

base64Decode

int base64Decode(const char *src, size_t srclen, uint8_t *dst, size_t dstlen);

Decodes the char string src of length srclen into the byte string dst. dst accepts length up to dstlen.