mirror of
https://github.com/cryb-to/cryb-to.git
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330 lines
10 KiB
C
330 lines
10 KiB
C
/*-
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* Copyright (c) 2013-2014 The University of Oslo
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* Copyright (c) 2014-2016 Dag-Erling Smørgrav
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote
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* products derived from this software without specific prior written
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* permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include "cryb/impl.h"
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#include <sys/types.h>
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#include <errno.h>
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#include <stdint.h>
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#include <string.h>
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#include <cryb/rfc4648.h>
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#include <cryb/test.h>
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struct t_case {
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const char *desc;
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int (*func)(const char *, size_t, char *, size_t *);
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const char *in; /* input string */
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size_t ilen; /* input length */
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const char *out; /* expected output string or NULL */
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size_t blen; /* initial value for olen or 0 */
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size_t olen; /* expected value for olen */
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int ret; /* expected return value */
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int err; /* expected errno if ret != 0 */
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};
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/* basic encoding / decoding */
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#define T_ENCODE_N(N, i, o) \
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{ "base"#N"_encode("#i")", b##N##enc, i, sizeof i - 1, \
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o, sizeof o, sizeof o, 0, 0 }
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#define T_DECODE_N(N, i, o) \
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{ "base"#N"_decode("#i")", b##N##dec, i, sizeof i - 1, \
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o, sizeof o - 1, sizeof o - 1, 0, 0 }
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#define T_ENCODE(p, b32, b64) \
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T_ENCODE_N(32, p, b32), T_ENCODE_N(64, p, b64)
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#define T_DECODE(p, b32, b64) \
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T_DECODE_N(32, b32, p), T_DECODE_N(64, b64, p)
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/* roundtrip encoding tests */
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#define T_ENCDEC_N(N, p, e) \
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T_ENCODE_N(N, p, e), T_DECODE_N(N, e, p)
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#define T_ENCDEC(p, b32, b64) \
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T_ENCDEC_N(32, p, b32), T_ENCDEC_N(64, p, b64)
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/* decoding failure */
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#define T_DECODE_FAIL_N(N, e, i) \
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{ "base"#N"_decode("#i")", b##N##dec, i, sizeof i - 1, \
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NULL, 0, 0, -1, e }
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#define T_DECODE_FAIL(e, b32, b64) \
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T_DECODE_FAIL_N(32, e, b32), T_DECODE_FAIL_N(64, e, b64)
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/* input string shorter than input length */
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#define T_SHORT_INPUT_DEC(N, i) \
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{ "base"#N"_decode (short input)", b##N##dec, i, sizeof i + 2, \
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NULL, 0, base##N##_declen(sizeof i - 1), 0, 0 }
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#define T_SHORT_INPUT() \
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T_SHORT_INPUT_DEC(32, "AAAAAAAA"), \
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T_SHORT_INPUT_DEC(64, "AAAA")
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/* output string longer than output length */
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#define T_LONG_OUTPUT_ENC(N, i) \
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{ "base"#N"_enc (long output)", b##N##enc, i, sizeof i - 1, \
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NULL, 1, base##N##_enclen(sizeof i - 1) + 1, -1, ENOSPC }
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#define T_LONG_OUTPUT_DEC(N, i) \
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{ "base"#N"_decode (long output)", b##N##dec, "AAAAAAAA", 8, \
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NULL, 1, base##N##_declen(sizeof i - 1), -1, ENOSPC }
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#define T_LONG_OUTPUT() \
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T_LONG_OUTPUT_ENC(32, "foo"), \
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T_LONG_OUTPUT_DEC(32, "AAAAAAAA"), \
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T_LONG_OUTPUT_ENC(64, "foo"), \
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T_LONG_OUTPUT_DEC(64, "AAAA")
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static const char b64alphabet[] =
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"ABCDEFGHIJKLMNOPQRSTUVWXYZ"
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"abcdefghijklmnopqrstuvwxyz"
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"0123456789+/";
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static const char b64complete[] = {
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0x00, 0x10, 0x83, 0x10, 0x51, 0x87,
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0x20, 0x92, 0x8b, 0x30, 0xd3, 0x8f,
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0x41, 0x14, 0x93, 0x51, 0x55, 0x97,
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0x61, 0x96, 0x9b, 0x71, 0xd7, 0x9f,
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0x82, 0x18, 0xa3, 0x92, 0x59, 0xa7,
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0xa2, 0x9a, 0xab, 0xb2, 0xdb, 0xaf,
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0xc3, 0x1c, 0xb3, 0xd3, 0x5d, 0xb7,
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0xe3, 0x9e, 0xbb, 0xf3, 0xdf, 0xbf,
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0x00
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};
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static const char b32alphabet[] =
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"ABCDEFGHIJKLMNOPQRSTUVWXYZ234567";
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static const char b32complete[] = {
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0x00, 0x44, 0x32, 0x14, 0xc7,
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0x42, 0x54, 0xb6, 0x35, 0xcf,
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0x84, 0x65, 0x3a, 0x56, 0xd7,
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0xc6, 0x75, 0xbe, 0x77, 0xdf,
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0x00
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};
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static int
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b32enc(const char *in, size_t ilen, char *out, size_t *olen)
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{
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return (base32_encode((const uint8_t *)in, ilen, out, olen));
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}
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static int
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b32dec(const char *in, size_t ilen, char *out, size_t *olen)
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{
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return (base32_decode(in, ilen, (uint8_t *)out, olen));
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}
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static int
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b64enc(const char *in, size_t ilen, char *out, size_t *olen)
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{
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return (base64_encode((const uint8_t *)in, ilen, out, olen));
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}
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static int
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b64dec(const char *in, size_t ilen, char *out, size_t *olen)
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{
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return (base64_decode(in, ilen, (uint8_t *)out, olen));
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}
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static struct t_case t_cases[] = {
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/* complete alphabet */
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T_ENCDEC_N(32, b32complete, b32alphabet),
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T_ENCDEC_N(64, b64complete, b64alphabet),
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/* test vectors from RFC 4648 */
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/* plain base32 base64 */
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T_ENCDEC("", "", ""),
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T_ENCDEC("f", "MY======", "Zg=="),
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T_ENCDEC("fo", "MZXQ====", "Zm8="),
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T_ENCDEC("foo", "MZXW6===", "Zm9v"),
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T_ENCDEC("foob", "MZXW6YQ=", "Zm9vYg=="),
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T_ENCDEC("fooba", "MZXW6YTB", "Zm9vYmE="),
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T_ENCDEC("foobar", "MZXW6YTBOI======", "Zm9vYmFy"),
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/* zeroes */
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T_ENCDEC("\0\0\0", "AAAAA===", "AAAA"),
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/* sloppy padding */
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T_DECODE_N(32, "MY=====", "f"),
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T_DECODE_N(32, "MY====", "f"),
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T_DECODE_N(32, "MY===", "f"),
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T_DECODE_N(32, "MY==", "f"),
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T_DECODE_N(32, "MY=", "f"),
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T_DECODE_N(32, "MY", "f"),
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T_DECODE_N(64, "Zg=", "f"),
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T_DECODE_N(64, "Zg", "f"),
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/* whitespace */
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/* plain base32 base64 */
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T_DECODE("tst", "ORZX I===", "dH N0"),
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T_DECODE("tst", "ORZX\tI===", "dH\tN0"),
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T_DECODE("tst", "ORZX\rI===", "dH\rN0"),
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T_DECODE("tst", "ORZX\nI===", "dH\nN0"),
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/* invalid character in data */
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T_DECODE_FAIL(EINVAL, "AA!AAAAAA", "AA!A"),
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/* invalid character in padding */
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T_DECODE_FAIL(EINVAL, "AAAAA==!", "AA=!"),
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/* padding with no data */
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T_DECODE_FAIL(EINVAL, "AAAAAAAA=", "AAAA="),
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/* data after padding */
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T_DECODE_FAIL(EINVAL, "AA=A", "AA=A"),
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/* padding in the wrong place, or non-zero bits in padding */
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T_DECODE_FAIL_N(32, EINVAL, "A======="),
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T_DECODE_N (32, "AA======", "\x00"),
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T_DECODE_FAIL_N(32, EINVAL, "AB======"),
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T_DECODE_FAIL_N(32, EINVAL, "AC======"),
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T_DECODE_FAIL_N(32, EINVAL, "AD======"),
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T_DECODE_N (32, "AE======", "\x01"),
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T_DECODE_FAIL_N(32, EINVAL, "AAA====="),
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T_DECODE_N (32, "AAAA====", "\x00\x00"),
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T_DECODE_FAIL_N(32, EINVAL, "AAAB===="),
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T_DECODE_FAIL_N(32, EINVAL, "AAAC===="),
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T_DECODE_FAIL_N(32, EINVAL, "AAAD===="),
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T_DECODE_FAIL_N(32, EINVAL, "AAAE===="),
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T_DECODE_FAIL_N(32, EINVAL, "AAAF===="),
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T_DECODE_FAIL_N(32, EINVAL, "AAAG===="),
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T_DECODE_FAIL_N(32, EINVAL, "AAAH===="),
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T_DECODE_FAIL_N(32, EINVAL, "AAAI===="),
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T_DECODE_FAIL_N(32, EINVAL, "AAAJ===="),
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T_DECODE_FAIL_N(32, EINVAL, "AAAK===="),
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T_DECODE_FAIL_N(32, EINVAL, "AAAL===="),
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T_DECODE_FAIL_N(32, EINVAL, "AAAM===="),
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T_DECODE_FAIL_N(32, EINVAL, "AAAN===="),
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T_DECODE_FAIL_N(32, EINVAL, "AAAO===="),
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T_DECODE_FAIL_N(32, EINVAL, "AAAP===="),
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T_DECODE_N (32, "AAAQ====", "\x00\x01"),
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T_DECODE_N (32, "AAAAA===", "\x00\x00\x00"),
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T_DECODE_FAIL_N(32, EINVAL, "AAAAB==="),
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T_DECODE_N (32, "AAAAC===", "\x00\x00\x01"),
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T_DECODE_FAIL_N(32, EINVAL, "AAAAAA=="),
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T_DECODE_N (32, "AAAAAAA=", "\x00\x00\x00\x00"),
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T_DECODE_FAIL_N(32, EINVAL, "AAAAAAB="),
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T_DECODE_FAIL_N(32, EINVAL, "AAAAAAC="),
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T_DECODE_FAIL_N(32, EINVAL, "AAAAAAD="),
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T_DECODE_FAIL_N(32, EINVAL, "AAAAAAE="),
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T_DECODE_FAIL_N(32, EINVAL, "AAAAAAF="),
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T_DECODE_FAIL_N(32, EINVAL, "AAAAAAG="),
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T_DECODE_FAIL_N(32, EINVAL, "AAAAAAH="),
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T_DECODE_N (32, "AAAAAAI=", "\x00\x00\x00\x01"),
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T_DECODE_N (32, "AAAAAAAA", "\x00\x00\x00\x00\x00"),
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T_DECODE_FAIL_N(64, EINVAL, "A==="),
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T_DECODE_N (64, "AA==", "\x00"),
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T_DECODE_FAIL_N(64, EINVAL, "AB=="),
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T_DECODE_FAIL_N(64, EINVAL, "AC=="),
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T_DECODE_FAIL_N(64, EINVAL, "AD=="),
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T_DECODE_FAIL_N(64, EINVAL, "AE=="),
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T_DECODE_FAIL_N(64, EINVAL, "AF=="),
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T_DECODE_FAIL_N(64, EINVAL, "AG=="),
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T_DECODE_FAIL_N(64, EINVAL, "AH=="),
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T_DECODE_FAIL_N(64, EINVAL, "AI=="),
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T_DECODE_FAIL_N(64, EINVAL, "AJ=="),
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T_DECODE_FAIL_N(64, EINVAL, "AK=="),
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T_DECODE_FAIL_N(64, EINVAL, "AL=="),
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T_DECODE_FAIL_N(64, EINVAL, "AM=="),
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T_DECODE_FAIL_N(64, EINVAL, "AN=="),
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T_DECODE_FAIL_N(64, EINVAL, "AO=="),
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T_DECODE_FAIL_N(64, EINVAL, "AP=="),
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T_DECODE_N (64, "AQ==", "\x01"),
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T_DECODE_N (64, "AAA=", "\x00\x00"),
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T_DECODE_FAIL_N(64, EINVAL, "AAB="),
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T_DECODE_FAIL_N(64, EINVAL, "AAC="),
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T_DECODE_FAIL_N(64, EINVAL, "AAD="),
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T_DECODE_N (64, "AAE=", "\x00\x01"),
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/* various error conditions */
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T_SHORT_INPUT(),
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T_LONG_OUTPUT(),
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};
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/*
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* Encoding test function
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*/
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static int
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t_rfc4648(char **desc CRYB_UNUSED, void *arg)
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{
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struct t_case *t = arg;
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char buf[256];
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size_t len;
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int ret;
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len = t->blen ? t->blen : sizeof buf;
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ret = t->func(t->in, t->ilen, buf, &len);
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if (ret != t->ret) {
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t_printv("expected return code %d, got %d\n",
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t->ret, ret);
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return (0);
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}
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if (t->out && len != t->olen) {
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t_printv("expected output length %zu, got %zu\n",
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t->olen, len);
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return (0);
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}
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if (t->ret != 0 && errno != t->err) {
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t_printv("expected errno %d, got %d\n",
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t->err, errno);
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return (0);
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}
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if (t->ret == 0 && t->out && strncmp(buf, t->out, len) != 0) {
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t_printv("expected '%.*s' got '%.*s'\n",
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(int)t->olen, t->out, (int)len, buf);
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return (0);
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}
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return (1);
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}
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/***************************************************************************
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* Boilerplate
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*/
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static int
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t_prepare(int argc, char *argv[])
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{
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int i, n;
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(void)argc;
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(void)argv;
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n = sizeof t_cases / sizeof t_cases[0];
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for (i = 0; i < n; ++i)
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t_add_test(t_rfc4648, &t_cases[i], "%s", t_cases[i].desc);
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return (0);
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}
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int
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main(int argc, char *argv[])
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{
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t_main(t_prepare, NULL, argc, argv);
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}
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