From 1660d4b7a65d9ad2ce0deaa19d35579ca4084ac5 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 17 Apr 2024 10:06:26 +0200 Subject: Adding upstream version 2:2.6.1. Signed-off-by: Daniel Baumann --- lib/crypto_backend/argon2/encoding.h | 57 ++++++++++++++++++++++++++++++++++++ 1 file changed, 57 insertions(+) create mode 100644 lib/crypto_backend/argon2/encoding.h (limited to 'lib/crypto_backend/argon2/encoding.h') diff --git a/lib/crypto_backend/argon2/encoding.h b/lib/crypto_backend/argon2/encoding.h new file mode 100644 index 0000000..5b8b2dd --- /dev/null +++ b/lib/crypto_backend/argon2/encoding.h @@ -0,0 +1,57 @@ +/* + * Argon2 reference source code package - reference C implementations + * + * Copyright 2015 + * Daniel Dinu, Dmitry Khovratovich, Jean-Philippe Aumasson, and Samuel Neves + * + * You may use this work under the terms of a Creative Commons CC0 1.0 + * License/Waiver or the Apache Public License 2.0, at your option. The terms of + * these licenses can be found at: + * + * - CC0 1.0 Universal : https://creativecommons.org/publicdomain/zero/1.0 + * - Apache 2.0 : https://www.apache.org/licenses/LICENSE-2.0 + * + * You should have received a copy of both of these licenses along with this + * software. If not, they may be obtained at the above URLs. + */ + +#ifndef ENCODING_H +#define ENCODING_H +#include "argon2.h" + +#define ARGON2_MAX_DECODED_LANES UINT32_C(255) +#define ARGON2_MIN_DECODED_SALT_LEN UINT32_C(8) +#define ARGON2_MIN_DECODED_OUT_LEN UINT32_C(12) + +/* +* encode an Argon2 hash string into the provided buffer. 'dst_len' +* contains the size, in characters, of the 'dst' buffer; if 'dst_len' +* is less than the number of required characters (including the +* terminating 0), then this function returns ARGON2_ENCODING_ERROR. +* +* on success, ARGON2_OK is returned. +*/ +int encode_string(char *dst, size_t dst_len, argon2_context *ctx, + argon2_type type); + +/* +* Decodes an Argon2 hash string into the provided structure 'ctx'. +* The only fields that must be set prior to this call are ctx.saltlen and +* ctx.outlen (which must be the maximal salt and out length values that are +* allowed), ctx.salt and ctx.out (which must be buffers of the specified +* length), and ctx.pwd and ctx.pwdlen which must hold a valid password. +* +* Invalid input string causes an error. On success, the ctx is valid and all +* fields have been initialized. +* +* Returned value is ARGON2_OK on success, other ARGON2_ codes on error. +*/ +int decode_string(argon2_context *ctx, const char *str, argon2_type type); + +/* Returns the length of the encoded byte stream with length len */ +size_t b64len(uint32_t len); + +/* Returns the length of the encoded number num */ +size_t numlen(uint32_t num); + +#endif -- cgit v1.2.3