1 #ifndef argon2_encoding_H 2 #define argon2_encoding_H 3 4 #include "argon2.h" 5 6 /* 7 * encode an Argon2 hash string into the provided buffer. 'dst_len' 8 * contains the size, in characters, of the 'dst' buffer; if 'dst_len' 9 * is less than the number of required characters (including the 10 * terminating 0), then this function returns 0. 11 * 12 * if ctx->outlen is 0, then the hash string will be a salt string 13 * (no output). if ctx->saltlen is also 0, then the string will be a 14 * parameter-only string (no salt and no output). 15 * 16 * On success, ARGON2_OK is returned. 17 * 18 * No other parameters are checked 19 */ 20 int encode_string(char *dst, size_t dst_len, argon2_context *ctx, 21 argon2_type type); 22 23 /* 24 * Decodes an Argon2 hash string into the provided structure 'ctx'. 25 * The fields ctx.saltlen, ctx.adlen, ctx.outlen set the maximal salt, ad, out 26 * length values 27 * that are allowed; invalid input string causes an error 28 * 29 * Returned value is ARGON2_OK on success. 30 */ 31 int decode_string(argon2_context *ctx, const char *str, argon2_type type); 32 33 #endif 34