Commit e172645c authored by Niels Möller's avatar Niels Möller
Browse files

New struct nettle_armor for base64url.

parent e6d4db6a
2015-02-10 Niels Möller <>
* base64url-meta.c (nettle_base64url): New file.
* nettle-meta.h (nettle_base64url): Declare it.
* nettle-meta-armors.c (nettle_armors): Added nettle_base64url.
* testsuite/meta-armor-test.c: Updated testcase.
* testsuite/base64-test.c (test_main): Additional tests, using
* (nettle_SOURCES): Added base64url-meta.c.
Base-64 generalization to support RFC4648 URL safe alphabet,
contributed by Amos Jeffries.
* base64url-decode.c (base64url_decode_init): New file and
......@@ -81,7 +81,7 @@ nettle_SOURCES = aes-decrypt-internal.c aes-decrypt.c \
arctwo.c arctwo-meta.c blowfish.c \
base16-encode.c base16-decode.c base16-meta.c \
base64-encode.c base64-decode.c base64-meta.c \
base64url-encode.c base64url-decode.c \
base64url-encode.c base64url-decode.c base64url-meta.c \
buffer.c buffer-init.c \
camellia-crypt-internal.c camellia-table.c \
camellia-absorb.c camellia-invert-key.c \
/* base64url-meta.c
Copyright (C) 2015 Niels Möller
This file is part of GNU Nettle.
GNU Nettle is free software: you can redistribute it and/or
modify it under the terms of either:
* the GNU Lesser General Public License as published by the Free
Software Foundation; either version 3 of the License, or (at your
option) any later version.
* the GNU General Public License as published by the Free
Software Foundation; either version 2 of the License, or (at your
option) any later version.
or both in parallel, as here.
GNU Nettle is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
General Public License for more details.
You should have received copies of the GNU General Public License and
the GNU Lesser General Public License along with this program. If
not, see
# include "config.h"
#include "nettle-meta.h"
#include "base64.h"
/* Same as the macros with the same name */
static nettle_armor_length_func base64url_encode_length;
static size_t
base64url_encode_length(size_t length)
return BASE64_ENCODE_LENGTH(length);
static nettle_armor_length_func base64url_decode_length;
static size_t
base64url_decode_length(size_t length)
return BASE64_DECODE_LENGTH(length);
#define base64url_encode_ctx base64_encode_ctx
#define base64url_encode_update base64_encode_update
#define base64url_encode_final base64_encode_final
#define base64url_decode_ctx base64_decode_ctx
#define base64url_decode_update base64_decode_update
#define base64url_decode_final base64_decode_final
const struct nettle_armor nettle_base64url
= _NETTLE_ARMOR(base64url, BASE64);
......@@ -38,6 +38,7 @@
const struct nettle_armor * const nettle_armors[] = {
......@@ -220,6 +220,7 @@ struct nettle_armor
extern const struct nettle_armor * const nettle_armors[];
extern const struct nettle_armor nettle_base64;
extern const struct nettle_armor nettle_base64url;
extern const struct nettle_armor nettle_base16;
#ifdef __cplusplus
......@@ -91,8 +91,19 @@ test_main(void)
test_armor(&nettle_base64, 4, "Hell", "SGVsbA==");
test_armor(&nettle_base64, 5, "Hello", "SGVsbG8=");
test_armor(&nettle_base64, 6, "Hello", "SGVsbG8A");
test_armor(&nettle_base64, 9, "Hello?>>>", "SGVsbG8/Pj4+");
test_armor(&nettle_base64, 4, "\xff\xff\xff\xff", "/////w==");
test_armor(&nettle_base64url, 0, "", "");
test_armor(&nettle_base64url, 1, "H", "SA==");
test_armor(&nettle_base64url, 2, "He", "SGU=");
test_armor(&nettle_base64url, 3, "Hel", "SGVs");
test_armor(&nettle_base64url, 4, "Hell", "SGVsbA==");
test_armor(&nettle_base64url, 5, "Hello", "SGVsbG8=");
test_armor(&nettle_base64url, 6, "Hello", "SGVsbG8A");
test_armor(&nettle_base64url, 9, "Hello?>>>", "SGVsbG8_Pj4-");
test_armor(&nettle_base64url, 4, "\xff\xff\xff\xff", "_____w==");
/* Test overlapping areas */
uint8_t buffer[] = "Helloxxxx";
......@@ -3,7 +3,8 @@
const char* armors[] = {
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