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+ simple metamorphic tests for crypto_generichash()

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This needs to be extended to other APIs with a streaming interface
This commit is contained in:
Frank Denis 2017-09-17 21:41:32 +02:00
parent a029b352af
commit a7b75a2d7d
4 changed files with 73 additions and 0 deletions
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1
.gitignore vendored
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@ -114,6 +114,7 @@ test/default/hash3
test/default/kdf
test/default/keygen
test/default/kx
test/default/metamorphic
test/default/misuse
test/default/onetimeauth
test/default/onetimeauth2

8
test/default/Makefile.am
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@ -37,6 +37,7 @@ EXTRA_DIST = \
kdf.exp \
keygen.exp \
kx.exp \
metamorphic.exp \
misuse.exp \
onetimeauth.exp \
onetimeauth2.exp \
@ -108,6 +109,7 @@ DISTCLEANFILES = \
kdf.res \
keygen.res \
kx.res \
metamorphic.res \
misuse.res \
onetimeauth.res \
onetimeauth2.res \
@ -180,6 +182,7 @@ CLEANFILES = \
kdf.final \
keygen.final \
kx.final \
metamorphic.final \
misuse.final \
onetimeauth.final \
onetimeauth2.final \
@ -247,6 +250,7 @@ CLEANFILES = \
kdf.nexe \
keygen.nexe \
kx.nexe \
metamorphic.nexe \
misuse.nexe \
onetimeauth.nexe \
onetimeauth2.nexe \
@ -326,6 +330,7 @@ TESTS_TARGETS = \
kdf \
keygen \
kx \
metamorphic \
misuse \
onetimeauth \
onetimeauth2 \
@ -470,6 +475,9 @@ keygen_LDADD = $(TESTS_LDADD)
kx_SOURCE = cmptest.h kx.c
kx_LDADD = $(TESTS_LDADD)
metamorphic_SOURCE = cmptest.h metamorphic.c
metamorphic_LDADD = $(TESTS_LDADD)
misuse_SOURCE = cmptest.h misuse.c
misuse_LDADD = $(TESTS_LDADD)

63
test/default/metamorphic.c Normal file
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@ -0,0 +1,63 @@
#define TEST_NAME "metamorphic"
#include "cmptest.h"
#define MAXLEN 512
#define MAX_ITER 1000
static void
mm_1(void)
{
crypto_generichash_state st;
unsigned char *h, *h2;
unsigned char *k;
unsigned char *m;
size_t hlen;
size_t klen;
size_t mlen;
size_t l1, l2;
int i;
for (i = 0; i < MAX_ITER; i++) {
mlen = randombytes_uniform(MAXLEN);
m = (unsigned char *) sodium_malloc(mlen);
klen = randombytes_uniform(crypto_generichash_KEYBYTES_MAX -
crypto_generichash_KEYBYTES_MIN + 1U)
+ crypto_generichash_KEYBYTES_MIN;
k = (unsigned char *) sodium_malloc(klen);
hlen = randombytes_uniform(crypto_generichash_BYTES_MAX -
crypto_generichash_BYTES_MIN + 1U)
+ crypto_generichash_BYTES_MIN;
h = (unsigned char *) sodium_malloc(hlen);
h2 = (unsigned char *) sodium_malloc(hlen);
randombytes_buf(m, mlen);
crypto_generichash_init(&st, k, klen, hlen);
l1 = randombytes_uniform(mlen);
l2 = randombytes_uniform(mlen - l1);
crypto_generichash_update(&st, m, l1);
crypto_generichash_update(&st, m + l1, l2);
crypto_generichash_update(&st, m + l1 + l2, mlen - l1 - l2);
crypto_generichash_final(&st, h, hlen);
crypto_generichash(h2, hlen, m, mlen, k, klen);
assert(memcmp(h, h2, hlen) == 0);
sodium_free(h2);
sodium_free(h);
sodium_free(k);
sodium_free(m);
}
}
int
main(void)
{
mm_1();
printf("OK\n");
return 0;
}

1
test/default/metamorphic.exp Normal file
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@ -0,0 +1 @@
OK