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/* See LICENSE file for copyright and license details. */
#include "common.h"
#ifndef TEST
ssize_t
librecrypt_hash_binary(void *restrict out_buffer, size_t size, const char *phrase,
size_t len, const char *settings, LIBRECRYPT_CONTEXT *ctx)
{
return librecrypt_hash_(out_buffer, size, phrase, len, settings, ctx, BINARY_HASH);
}
#else
#define ALPHABET "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"
#define ALT_ALPHABET "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ+/"
NONSTRING static const char encoding_lut[256u] = MAKE_ENCODING_LUT(ALPHABET);
NONSTRING static const char alt_encoding_lut[256u] = MAKE_ENCODING_LUT(ALT_ALPHABET);
static const unsigned char decoding_lut[256u] = {
XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, XX,
XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, XX,
XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, 62, XX, XX, XX, 63,
52, 53, 54, 55, 56, 57, 58, 59, 60, 61, XX, XX, XX, XX, XX, XX,
XX, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14,
15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, XX, XX, XX, XX, XX,
XX, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40,
41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, XX, XX, XX, XX, XX,
XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, XX,
XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, XX,
XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, XX,
XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, XX,
XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, XX,
XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, XX,
XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, XX,
XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, XX
};
static const unsigned char alt_decoding_lut[256u] = {
XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, XX,
XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, XX,
XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, 62, XX, XX, XX, 63,
0, 1, 2, 3, 4, 5, 6, 7, 8, 9, XX, XX, XX, XX, XX, XX,
XX, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50,
51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, XX, XX, XX, XX, XX,
XX, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24,
25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, XX, XX, XX, XX, XX,
XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, XX,
XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, XX,
XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, XX,
XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, XX,
XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, XX,
XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, XX,
XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, XX,
XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, XX, XX
};
static unsigned
rot4_is_algorithm(const char *settings, size_t len)
{
if (len >= sizeof("$rot4$") - 1u)
if (!strncmp(settings, "$rot4$", sizeof("$rot4$") - 1u))
return 1u;
return 0u;
}
static unsigned
trunc_is_algorithm(const char *settings, size_t len)
{
if (len >= sizeof("$trunc$") - 1u)
if (!strncmp(settings, "$trunc$", sizeof("$trunc$") - 1u))
return 1u;
return 0u;
}
static int
trunc_supported(const char *phrase, size_t len, int text, const char *settings,
size_t prefix, size_t *len_out)
{
size_t i, digit, n = 0u, q, r;
(void) phrase;
(void) len;
(void) text;
if (prefix < sizeof("$trunc$") - 1u || memcmp(settings, "$trunc$", sizeof("$trunc$") - 1u))
return 0;
if (prefix == sizeof("$trunc$") - 1u) {
*len_out = 4u;
return 1;
}
if (settings[sizeof("$trunc$") - 1u] == '*') {
for (i = sizeof("$trunc$*") - 1u; i < prefix; i++) {
if ('0' > settings[i] || settings[i] > '9')
return 0;
digit = (size_t)(settings[i] - '0');
if (n > (SIZE_MAX - digit) / 10u)
return 0;
n = n * 10u + digit;
}
} else {
for (i = sizeof("$trunc$") - 1u; i < prefix; i++) {
if (settings[i] == '@')
break;
if (alt_decoding_lut[(unsigned char)settings[i]] == XX)
return 0;
n += 1u;
}
q = n / 4u;
r = n % 4u;
if (r == 1u)
return 0;
n = q * 3u + r;
if (r) {
n -= 1u;
for (; r < 4u && i < prefix; r++, i++)
if (settings[i] != '@')
break;
if (r != 4u || i != prefix)
return 0;
}
}
if (!n)
return 0;
*len_out = n;
return 1;
}
static int
rot4_hash(char *restrict out_buffer, size_t size, const char *phrase, size_t len,
const char *settings, size_t prefix, LIBRECRYPT_CONTEXT *ctx)
{
size_t i;
(void) settings;
(void) prefix;
(void) ctx;
for (i = 0u; i < 8u && i < size; i++) {
out_buffer[i] = '\0';
if (i < len)
out_buffer[i] = (char)((((int)phrase[i] & 0x0F) << 4) | (((int)phrase[i] >> 4) & 0x0F));
}
return 0;
}
static int
trunc_hash(char *restrict out_buffer, size_t size, const char *phrase, size_t len,
const char *settings, size_t prefix, LIBRECRYPT_CONTEXT *ctx)
{
size_t hash_size, i;
(void) ctx;
if (!trunc_supported(NULL, 0u, 1, settings, prefix, &hash_size)) {
errno = EINVAL;
return -1;
}
size = MIN(hash_size, size);
for (i = 0u; i < size; i++)
out_buffer[i] = i < len ? phrase[i] : '\0';
return 0;
}
static const struct librecrypt_algorithm rot4_algo = {
.is_algorithm = &rot4_is_algorithm,
.hash = &rot4_hash,
.encoding_lut = encoding_lut,
.decoding_lut = decoding_lut,
.hash_size = 8u,
.flexible_hash_size = 0,
.strict_pad = 1,
.pad = '#'
};
static const struct librecrypt_algorithm trunc_algo = {
.is_algorithm = &trunc_is_algorithm,
.hash = &trunc_hash,
.encoding_lut = alt_encoding_lut,
.decoding_lut = alt_decoding_lut,
.hash_size = 4u,
.flexible_hash_size = 1,
.strict_pad = 1,
.pad = '@'
};
#define TEST_PHRASE "\x12\x23\x34\x45\x56\x67\x78\x89"
#define TEST_PHRASE64_ROT4 "EiM0RVZneIk#"
#define TEST_HASH_ROT4 "ITJDVGV2h5g#"
#define TEST_HASH_TRUNC "4ycQhg@@"
#define TEST_HASH_TRUNC6 "4ycQhlpD"
#define TEST_HASH_TRUNC_ROT4 "ITJDVAAAAAA#"
#define TEST_HASH_TRUNC6_ROT4 "ITJDVGV2AAA#"
#define TEST_HASH_ROT4_TRUNC "8j93l0@@"
#define TEST_HASH_ROT4_TRUNC6 "8j93l6lS"
#define TEST_HASH_TRUNC_TRUNC6 "4ycQhg00"
#define WRONG_HASH_ROT4 "AAAAAAAAAAA#"
#define WRONG_HASH_TRUNC "000000@@"
#define WRONG_HASH_TRUNC6 "00000000"
#define SP4 " "
#define SP20 SP4 SP4 SP4 SP4 SP4
#define SP80 SP20 SP20 SP20 SP20
#define SP84 SP80 SP4
#define GET_ARGON2_SCRATCH_SIZE(HASHLEN) ((HASHLEN) > 64u ? ((HASHLEN) + 63u) & ~31u : (HASHLEN))
static void
check(const char *phrase, const char *settings, const char *chain, const char *hash,
size_t hashlen, size_t scratchsize, LIBRECRYPT_CONTEXT *ctx)
{
size_t len = strlen(phrase);
char buf[1024], buf2[sizeof(buf)], expected[256], pad;
int strict_pad;
const void *lut;
ssize_t r;
assert(hashlen <= sizeof(buf));
assert(hashlen <= sizeof(expected));
lut = librecrypt_get_encoding(settings, strlen(settings), &pad, &strict_pad, 1, ctx);
assert(lut);
r = librecrypt_decode(expected, sizeof(expected), hash, strlen(hash), lut, pad, strict_pad);
assert(r > 0 && (size_t)r == hashlen);
CANARY_FILL(buf);
EXPECT(librecrypt_hash_binary(buf, sizeof(buf), phrase, len, settings, ctx) == (ssize_t)hashlen);
EXPECT(!memcmp(buf, expected, hashlen));
CANARY_X_CHECK(buf, hashlen, scratchsize);
CANARY_FILL(buf);
EXPECT(librecrypt_hash_binary(buf, hashlen, phrase, len, settings, ctx) == (ssize_t)hashlen);
EXPECT(!memcmp(buf, expected, hashlen));
CANARY_X_CHECK(buf, hashlen, scratchsize);
CANARY_FILL(buf);
EXPECT(librecrypt_hash_binary(buf, 1u, phrase, len, settings, ctx) == (ssize_t)hashlen);
EXPECT(!memcmp(buf, expected, 1u));
CANARY_X_CHECK(buf, 1u, 1u);
CANARY_FILL(buf);
EXPECT(librecrypt_hash_binary(buf, 0u, phrase, len, settings, ctx) == (ssize_t)hashlen);
CANARY_X_CHECK(buf, 0u, 0u);
EXPECT(librecrypt_hash_binary(NULL, 0u, phrase, len, settings, ctx) == (ssize_t)hashlen);
CANARY_FILL(buf);
CANARY_FILL(buf2);
EXPECT(librecrypt_hash_binary(buf, sizeof(buf), expected, hashlen, settings, ctx) == (ssize_t)hashlen);
errno = 0;
EXPECT(librecrypt_hash_binary(buf2, sizeof(buf2), phrase, len, chain, ctx) == (ssize_t)hashlen);
EXPECT(!memcmp(buf, buf2, hashlen));
CANARY_X_CHECK(buf2, hashlen, scratchsize);
CANARY_X_CHECK(buf, hashlen, scratchsize);
}
#define CHECK(PHRASE, CONF, HASHLEN, IS_DEFAULT_HASHLEN /* -1 if fixed */, HASH)\
do {\
size_t scratchsize = GET_SCRATCH_SIZE(HASHLEN);\
if (IS_DEFAULT_HASHLEN >= 0) {\
check(PHRASE, CONF HASH, CONF "*" #HASHLEN ">" CONF HASH,\
HASH, (size_t)HASHLEN, scratchsize, ctx);\
check(PHRASE, CONF "*" #HASHLEN, CONF "*" #HASHLEN ">" CONF "*" #HASHLEN,\
HASH, (size_t)HASHLEN, scratchsize, ctx);\
}\
if (IS_DEFAULT_HASHLEN) {\
check(PHRASE, CONF, CONF ">" CONF, HASH, (size_t)HASHLEN, scratchsize, ctx);\
check(PHRASE, CONF HASH, CONF ">" CONF HASH, HASH, (size_t)HASHLEN, scratchsize, ctx);\
}\
} while (0)
#define CHECK_DIFF(PHRASE, CONF, HASHLEN, IS_DEFAULT_HASHLEN /* -1 if fixed */, HASH, DIFFHASH)\
do {\
size_t scratchsize = GET_SCRATCH_SIZE(HASHLEN);\
if (IS_DEFAULT_HASHLEN >= 0) {\
check(PHRASE, CONF DIFFHASH, CONF "*" #HASHLEN ">" CONF DIFFHASH,\
HASH, (size_t)HASHLEN, scratchsize, ctx);\
}\
if (IS_DEFAULT_HASHLEN)\
check(PHRASE, CONF DIFFHASH, CONF ">" CONF DIFFHASH, HASH, (size_t)HASHLEN, scratchsize, ctx);\
} while (0)
#define CHECK_BAD(ALGO)\
do {\
errno = 0;\
EXPECT(librecrypt_hash_binary(NULL, 0u, NULL, 0u, ALGO"m=0,t=999999999999999999,p=0$AAAABBBB$*0", ctx) == -1);\
EXPECT(errno == EINVAL);\
errno = 0;\
EXPECT(librecrypt_hash_binary(NULL, 0u, NULL, 0u, ALGO"m=4096,t=10,p=1$*32$", ctx) == -1);\
EXPECT(errno == EINVAL);\
} while (0)
int
main(void)
{
const struct librecrypt_algorithm custom[] = {rot4_algo, trunc_algo};
LIBRECRYPT_CONTEXT *ctx = NULL;
char nuls[256];
SET_UP_ALARM();
INIT_RESOURCE_TEST();
#define GET_SCRATCH_SIZE(HASHLEN) GET_ARGON2_SCRATCH_SIZE(HASHLEN)
#if defined(SUPPORT_ARGON2I)
# if defined(SUPPORT_ARGON2_V1_0)
CHECK("password", "$argon2i$" "m=256,t=2,p=1$c29tZXNhbHQ$", 32, 1, "/U3YPXYsSb3q9XxHvc0MLxur+GP960kN9j7emXX8zwY");
# endif
# if defined(SUPPORT_ARGON2_V1_3)
CHECK("password", "$argon2i$v=19$m=256,t=2,p=1$c29tZXNhbHQ$", 32, 1, "iekCn0Y3spW+sCcFanM2xBT63UP2sghkUoHLIUpWRS8");
# endif
CHECK_BAD("$argon2i$");
#endif
#if defined(SUPPORT_ARGON2ID)
# if defined(SUPPORT_ARGON2_V1_3)
CHECK("password", "$argon2id$v=19$m=256,t=2,p=1$c29tZXNhbHQ$", 32, 1, "nf65EOgLrQMR/uIPnA4rEsF5h7TKyQwu9U1bMCHGi/4");
# endif
CHECK_BAD("$argon2id$");
#endif
#if defined(SUPPORT_ARGON2DS)
# if defined(SUPPORT_ARGON2_V1_0)
CHECK("", "$argon2ds$v=16$m=""8,t=1,p=1$ICAgICAgICA$", 32, 1, "zgdykk9ZjN5VyrW0LxGw8LmrJ1Z6fqSC+3jPQtn4n0s");
# endif
CHECK_BAD("$argon2ds$");
#endif
#if defined(SUPPORT_ARGON2D)
# if defined(SUPPORT_ARGON2_V1_0)
CHECK("", "$argon2d$v=16$m=""8,t=1,p=1$ICAgICAgICA$", 100, 0, "NjODMrWrS7zeivNNpHsuxD9c6uDmUQ6YqPRhb8H5DSNw9"
"n683FUCJZ3tyxgfJpYYANI+01WT/S5zp1UVs+qNRwnkdE"
"yLKZMg+DIOXVc9z1po9ZlZG8+Gp4g5brqfza3lvkR9vw");
# endif
CHECK_BAD("$argon2d$");
#endif
#undef GET_SCRATCH_SIZE
ctx = librecrypt_create_context();
assert(ctx != NULL);
memset(nuls, 0, sizeof(nuls));
#if defined(SUPPORT_ARGON2I) && defined(SUPPORT_ARGON2_V1_3)
# define GET_SCRATCH_SIZE(HASHLEN) GET_ARGON2_SCRATCH_SIZE(HASHLEN)
assert(sizeof(nuls) >= 4u);
assert(librecrypt_set_pepper(ctx, LIBRECRYPT_ARGON2I_V1_3, nuls, 4u) == 0);
CHECK(" ", "$argon2i$v=19$m=8,t=1,p=1$ICAgICAgICA$", 8, 0, "Mhl4o3AkJuA");
CHECK(SP84, "$argon2i$v=19$m=8,t=1,p=1$ICAgICAgICA$", 8, 0, "+hlEcRn+F3s");
CHECK(SP80, "$argon2i$v=19$m=8,t=1,p=1$ICAgICAgICA$", 8, 0, "z2d6ce8UqS0");
assert(sizeof(nuls) >= 140u);
assert(librecrypt_set_pepper(ctx, LIBRECRYPT_ARGON2I_V1_3, nuls, 140u) == 0);
CHECK(SP80, "$argon2i$v=19$m=8,t=1,p=1$ICAgICAgICA$", 8, 0, "15FAGe1KIX8");
assert(sizeof(nuls) >= 160u);
assert(librecrypt_set_pepper(ctx, LIBRECRYPT_ARGON2I_V1_3, nuls, 160u) == 0);
CHECK(SP80, "$argon2i$v=19$m=8,t=1,p=1$ICAgICAgICA$", 8, 0, "oH3H5atuca8");
assert(sizeof(nuls) >= 128u);
assert(librecrypt_set_pepper(ctx, LIBRECRYPT_ARGON2I_V1_3, nuls, 128u) == 0);
CHECK(SP80, "$argon2i$v=19$m=8,t=1,p=1$ICAgICAgICA$", 8, 0, "TsimqI1YC08");
assert(sizeof(nuls) >= 256u);
assert(librecrypt_set_pepper(ctx, LIBRECRYPT_ARGON2I_V1_3, nuls, 256u) == 0);
CHECK(SP80, "$argon2i$v=19$m=8,t=1,p=1$ICAgICAgICA$", 8, 0, "mzPlVOVjVos");
# undef GET_SCRATCH_SIZE
#endif
#define GET_SCRATCH_SIZE(HASHLEN) (HASHLEN)
librecrypt_set_custom_algorithms(ctx, custom, ELEMSOF(custom));
CHECK(TEST_PHRASE, "$trunc$", 4, 1, TEST_HASH_TRUNC);
CHECK(TEST_PHRASE, "$trunc$", 6, 0, TEST_HASH_TRUNC6);
CHECK(TEST_PHRASE, "$rot4$", 8, -1, TEST_HASH_ROT4);
CHECK(TEST_PHRASE, "$rot4$>$trunc$", 4, 1, TEST_HASH_ROT4_TRUNC);
CHECK(TEST_PHRASE, "$rot4$>$trunc$", 6, 0, TEST_HASH_ROT4_TRUNC6);
CHECK(TEST_PHRASE, "$trunc$>$rot4$", 8, -1, TEST_HASH_TRUNC_ROT4);
CHECK(TEST_PHRASE, "$trunc$*6>$rot4$", 8, -1, TEST_HASH_TRUNC6_ROT4);
CHECK(TEST_PHRASE, "$trunc$>$trunc$", 4, 1, TEST_HASH_TRUNC);
CHECK(TEST_PHRASE, "$trunc$>$trunc$", 6, 0, TEST_HASH_TRUNC_TRUNC6);
CHECK(TEST_PHRASE, "$trunc$*6>$trunc$", 4, 1, TEST_HASH_TRUNC);
CHECK(TEST_PHRASE, "$trunc$*6>$trunc$", 6, 0, TEST_HASH_TRUNC6);
CHECK(TEST_PHRASE, "$rot4$>$rot4$", 8, -1, TEST_PHRASE64_ROT4);
CHECK_DIFF(TEST_PHRASE, "$trunc$", 4, 1, TEST_HASH_TRUNC, WRONG_HASH_TRUNC);
CHECK_DIFF(TEST_PHRASE, "$trunc$", 6, 0, TEST_HASH_TRUNC6, WRONG_HASH_TRUNC6);
CHECK_DIFF(TEST_PHRASE, "$rot4$", 8, -1, TEST_HASH_ROT4, WRONG_HASH_ROT4);
CHECK_DIFF(TEST_PHRASE, "$rot4$>$trunc$", 4, 1, TEST_HASH_ROT4_TRUNC, WRONG_HASH_TRUNC);
CHECK_DIFF(TEST_PHRASE, "$rot4$>$trunc$", 6, 0, TEST_HASH_ROT4_TRUNC6, WRONG_HASH_TRUNC6);
CHECK_DIFF(TEST_PHRASE, "$trunc$>$rot4$", 8, -1, TEST_HASH_TRUNC_ROT4, WRONG_HASH_ROT4);
CHECK_DIFF(TEST_PHRASE, "$trunc$*6>$rot4$", 8, -1, TEST_HASH_TRUNC6_ROT4, WRONG_HASH_ROT4);
CHECK_DIFF(TEST_PHRASE, "$trunc$>$trunc$", 4, 1, TEST_HASH_TRUNC, WRONG_HASH_TRUNC);
CHECK_DIFF(TEST_PHRASE, "$trunc$>$trunc$", 6, 0, TEST_HASH_TRUNC_TRUNC6, WRONG_HASH_TRUNC6);
CHECK_DIFF(TEST_PHRASE, "$trunc$*6>$trunc$", 4, 1, TEST_HASH_TRUNC, WRONG_HASH_TRUNC);
CHECK_DIFF(TEST_PHRASE, "$trunc$*6>$trunc$", 6, 0, TEST_HASH_TRUNC6, WRONG_HASH_TRUNC6);
CHECK_DIFF(TEST_PHRASE, "$rot4$>$rot4$", 8, -1, TEST_PHRASE64_ROT4, WRONG_HASH_ROT4);
#undef GET_SCRATCH_SIZE
librecrypt_free_context(ctx);
STOP_RESOURCE_TEST();
return 0;
}
#endif
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