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/* See LICENSE file for copyright and license details. */
#include "common.h"
#ifndef TEST
ssize_t
librecrypt_crypt(char *restrict out_buffer, size_t size, const char *phrase, size_t len, const char *settings, void *reserved)
{
return librecrypt_hash_(out_buffer, size, phrase, len, settings, reserved, ASCII_CRYPT);
}
#else
static void
check(const char *phrase, const char *settings, const char *chain, size_t chain_prefix, const char *hash,
size_t hash_prefix, size_t scratchsize)
{
size_t hashlen = strlen(hash);
size_t len = strlen(phrase);
char buf[1024], buf2[sizeof(buf)], expected[sizeof(buf)], pad;
int strict_pad;
const void *lut;
ssize_t r;
assert(hashlen <= sizeof(buf));
CANARY_FILL(buf);
EXPECT(librecrypt_crypt(buf, sizeof(buf), phrase, len, settings, NULL) == (ssize_t)hashlen);
EXPECT(!memcmp(hash, buf, hashlen + 1u));
CANARY_X_CHECK(buf, hashlen + 1u, scratchsize);
CANARY_FILL(buf);
EXPECT(librecrypt_crypt(buf, hashlen + 1u, phrase, len, settings, NULL) == (ssize_t)hashlen);
EXPECT(!memcmp(hash, buf, hashlen + 1u));
CANARY_X_CHECK(buf, hashlen + 1u, scratchsize);
CANARY_FILL(buf);
EXPECT(librecrypt_crypt(buf, hashlen, phrase, len, settings, NULL) == (ssize_t)hashlen);
EXPECT(!memcmp(hash, buf, hashlen - 1u));
EXPECT(!buf[hashlen - 1u]);
CANARY_X_CHECK(buf, hashlen, scratchsize);
CANARY_FILL(buf);
EXPECT(librecrypt_crypt(buf, 2u, phrase, len, settings, NULL) == (ssize_t)hashlen);
EXPECT(!memcmp(hash, buf, 1u));
EXPECT(!buf[1u]);
CANARY_X_CHECK(buf, 2u, 2u);
CANARY_FILL(buf);
EXPECT(librecrypt_crypt(buf, 1u, phrase, len, settings, NULL) == (ssize_t)hashlen);
EXPECT(!buf[0u]);
CANARY_X_CHECK(buf, 1u, 1u);
EXPECT(librecrypt_crypt(buf, 0u, phrase, len, settings, NULL) == (ssize_t)hashlen);
EXPECT(librecrypt_crypt(NULL, 0u, phrase, len, settings, NULL) == (ssize_t)hashlen);
lut = librecrypt_get_encoding(settings, strlen(settings), &pad, &strict_pad, 1);
assert(lut);
r = librecrypt_decode(expected, sizeof(expected), &hash[hash_prefix], hashlen - hash_prefix, lut, pad, strict_pad);
assert(r > 0 && (size_t)r <= sizeof(expected));
CANARY_FILL(buf);
CANARY_FILL(buf2);
EXPECT(librecrypt_crypt(buf, sizeof(buf), expected, (size_t)r, settings, NULL) == (ssize_t)hashlen);
errno = 0;
EXPECT(librecrypt_crypt(buf2, sizeof(buf2), phrase, len, chain, NULL) == (ssize_t)(hashlen - hash_prefix + chain_prefix));
EXPECT(!memcmp(buf2, chain, chain_prefix));
EXPECT(!memcmp(&buf[hash_prefix], &buf2[chain_prefix], hashlen - hash_prefix + 1u));
CANARY_X_CHECK(buf, hashlen, scratchsize);
CANARY_X_CHECK(buf2, hashlen - hash_prefix + chain_prefix, scratchsize);
}
#define CHECK(PHRASE, CONF, HASHLEN, IS_DEFAULT_HASHLEN, HASH)\
do {\
size_t scratchsize = GET_SCRATCH_SIZE(HASHLEN);\
check(PHRASE, CONF HASH, CONF "*" #HASHLEN ">" CONF HASH,\
sizeof(CONF "*" #HASHLEN ">" CONF) - 1u, CONF HASH, sizeof(CONF) - 1u, scratchsize);\
check(PHRASE, CONF "*" #HASHLEN, CONF "*" #HASHLEN ">" CONF "*" #HASHLEN,\
sizeof(CONF "*" #HASHLEN ">" CONF) - 1u, CONF HASH, sizeof(CONF) - 1u, scratchsize);\
if (IS_DEFAULT_HASHLEN) {\
check(PHRASE, CONF, CONF ">" CONF, sizeof(CONF ">" CONF) - 1u,\
CONF HASH, sizeof(CONF) - 1u, scratchsize);\
}\
} while (0)
#define CHECK_BAD(ALGO)\
do {\
errno = 0;\
EXPECT(librecrypt_crypt(NULL, 0u, NULL, 0u, ALGO"m=0,t=999999999999999999,p=0$AAAABBBB$*0", NULL) == -1);\
EXPECT(errno == EINVAL);\
} while (0)
int
main(void)
{
char buf[1024], buf2[1024], conf[256];
ssize_t r;
SET_UP_ALARM();
INIT_RESOURCE_TEST();
#if defined(__linux__)
libtest_getrandom_real = 0;
libtest_getrandom_error = ENOSYS;
#endif
#define GET_SCRATCH_SIZE(HASHLEN) ((HASHLEN) > 64u ? ((HASHLEN) + 63u) & ~31u : (HASHLEN))
#if defined(SUPPORT_ARGON2I)
r = snprintf(conf, sizeof(conf), "$argon2i$m=256,t=8,p=1$AAAABBBBCCCC$*%zu", SIZE_MAX / 4u * 3u + 3u);
assert(r > 0 && (size_t)r < sizeof(conf));
errno = 0;
EXPECT(librecrypt_crypt(NULL, 0u, NULL, 0u, conf, NULL) == -1);
# if SIZE_MAX > UINT32_MAX
EXPECT(errno == EINVAL);
# else
EXPECT(errno == EOVERFLOW);
if (libtest_have_custom_malloc()) {
libtest_pretend_allocation_successful = 1;
errno = 0;
EXPECT(librecrypt_crypt(buf, sizeof(buf), NULL, 0u, conf, NULL) == -1);
libtest_pretend_allocation_successful = 0;
EXPECT(errno == EOVERFLOW);
}
# endif
# if SIZE_MAX == UINT32_MAX
r = snprintf(conf, sizeof(conf), "$argon2i$m=256,t=8,p=1$AAAABBBBCCCC$*%zu", (SIZE_MAX / 4u * 3u) / 2u);
assert(r > 0 && (size_t)r < sizeof(conf));
errno = 0;
EXPECT(librecrypt_crypt(NULL, 0u, NULL, 0u, conf, NULL) == -1);
EXPECT(errno == EOVERFLOW);
# endif
# if SIZE_MAX == UINT32_MAX
r = snprintf(conf, sizeof(conf), "$argon2i$m=256,t=8,p=1$AAAABBBBCCCC$*%zu", SIZE_MAX / 4u * 3u);
assert(r > 0 && (size_t)r < sizeof(conf));
errno = 0;
EXPECT(librecrypt_crypt(NULL, 0u, NULL, 0u, conf, NULL) == -1);
EXPECT(errno == EOVERFLOW);
# endif
CHECK("password", "$argon2i$" "m=256,t=2,p=1$c29tZXNhbHQ$", 32, 1, "/U3YPXYsSb3q9XxHvc0MLxur+GP960kN9j7emXX8zwY");
CHECK("password", "$argon2i$v=19$m=256,t=2,p=1$c29tZXNhbHQ$", 32, 1, "iekCn0Y3spW+sCcFanM2xBT63UP2sghkUoHLIUpWRS8");
CHECK_BAD("$argon2i$");
#endif
#if defined(SUPPORT_ARGON2ID)
CHECK("password", "$argon2id$v=19$m=256,t=2,p=1$c29tZXNhbHQ$", 32, 1, "nf65EOgLrQMR/uIPnA4rEsF5h7TKyQwu9U1bMCHGi/4");
CHECK_BAD("$argon2id$");
#endif
#if defined(SUPPORT_ARGON2DS)
CHECK("", "$argon2ds$v=16$m=""8,t=1,p=1$ICAgICAgICA$", 32, 1, "zgdykk9ZjN5VyrW0LxGw8LmrJ1Z6fqSC+3jPQtn4n0s");
CHECK_BAD("$argon2ds$");
#endif
#if defined(SUPPORT_ARGON2D)
CHECK("", "$argon2d$v=16$m=""8,t=1,p=1$ICAgICAgICA$", 100, 0, "NjODMrWrS7zeivNNpHsuxD9c6uDmUQ6YqPRhb8H5DSNw9"
"n683FUCJZ3tyxgfJpYYANI+01WT/S5zp1UVs+qNRwnkdE"
"yLKZMg+DIOXVc9z1po9ZlZG8+Gp4g5brqfza3lvkR9vw");
CHECK_BAD("$argon2d$");
#endif
#if defined(SUPPORT_ARGON2ID)
assert(!libtest_getentropy_error);
libtest_getentropy_real = 0;
libtest_random_pattern = (const unsigned char *)"\x00\x01\x02\x03";
/* since librecrypt_realise_salts doesn't generate random data then base64-encode it,
* but rather just takes random characters from base64 alphabet (with restrictions
* one the list one if the count isn't a multiple of 4), this will map to a repeation
* of "ABCD", rather the become "AAECAwABAgMAAQIDAAECAwAB" */
libtest_random_pattern_length = 4u;
libtest_random_pattern_offset = 0u;
CANARY_FILL(buf);
r = librecrypt_crypt(buf, sizeof(buf), "", 0u, "$argon2id$v=19$m=8,t=1,p=1$*18$*33", NULL);
libtest_random_pattern = NULL;
libtest_random_pattern_length = 0u;
libtest_random_pattern_offset = 0u;
libtest_getentropy_real = 1;
EXPECT(r > 0);
assert((size_t)r < sizeof(buf));
EXPECT((size_t)r == sizeof("$argon2id$v=19$m=8,t=1,p=1$$") - 1u + 24u + 44u);
EXPECT(!buf[r]);
CANARY_FILL(buf2);
EXPECT(librecrypt_crypt(buf2, sizeof(buf2), "", 0u, buf, NULL) == r);
EXPECT(!memcmp(buf, buf2, (size_t)r + 1u));
EXPECT(!memcmp(buf, "$argon2id$v=19$m=8,t=1,p=1$ABCDABCDABCDABCDABCDABCD$",
sizeof("$argon2id$v=19$m=8,t=1,p=1$ABCDABCDABCDABCDABCDABCD$") - 1u));
CANARY_X_CHECK(buf, (size_t)r + 1u, 33u);
CANARY_X_CHECK(buf2, (size_t)r + 1u, 33u);
libtest_getentropy_real = 0;
libtest_random_pattern = (const unsigned char *)"\x00\x01\x02\03";
libtest_random_pattern_length = 4u;
libtest_random_pattern_offset = 0u;
CANARY_FILL(buf);
r = librecrypt_crypt(buf, sizeof(buf), "", 0u, "$argon2id$v=19$m=8,t=1,p=1$*18$*33>"
"$argon2id$v=19$m=8,t=1,p=1$*18$*33", NULL);
libtest_random_pattern = NULL;
libtest_random_pattern_length = 0u;
libtest_random_pattern_offset = 0u;
libtest_getentropy_real = 1;
EXPECT(r > 0);
assert((size_t)r < sizeof(buf));
EXPECT((size_t)r == sizeof("$argon2id$v=19$m=8,t=1,p=1$$*33>$argon2id$v=19$m=8,t=1,p=1$$") - 1u + 2u * 24u + 44u);
EXPECT(!buf[r]);
CANARY_FILL(buf2);
EXPECT(librecrypt_crypt(buf2, sizeof(buf2), "", 0u, buf, NULL) == r);
EXPECT(!memcmp(buf, buf2, (size_t)r + 1u));
EXPECT(!memcmp(buf, "$argon2id$v=19$m=8,t=1,p=1$ABCDABCDABCDABCDABCDABCD$*33>"
"$argon2id$v=19$m=8,t=1,p=1$ABCDABCDABCDABCDABCDABCD$",
sizeof("$argon2id$v=19$m=8,t=1,p=1$ABCDABCDABCDABCDABCDABCD$*33>"
"$argon2id$v=19$m=8,t=1,p=1$ABCDABCDABCDABCDABCDABCD$") - 1u));
CANARY_X_CHECK(buf, (size_t)r + 1u, 33u);
CANARY_X_CHECK(buf2, (size_t)r + 1u, 33u);
#endif
#undef GET_SCRATCH_SIZE
#if defined(__linux__)
libtest_getrandom_real = 1;
libtest_getrandom_error = 0;
#endif
STOP_RESOURCE_TEST();
return 0;
}
#endif
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