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Add extra box_seal() tests

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This commit is contained in:
Frank Denis 2020-05-21 18:37:50 +02:00
parent 23bba4a2b2
commit 1127c43278
2 changed files with 67 additions and 3 deletions
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2
src/libsodium/crypto_box/curve25519xchacha20poly1305/box_seal_curve25519xchacha20poly1305.c
View File

@ -38,11 +38,11 @@ crypto_box_curve25519xchacha20poly1305_seal(unsigned char *c, const unsigned cha
if (crypto_box_curve25519xchacha20poly1305_keypair(epk, esk) != 0) { if (crypto_box_curve25519xchacha20poly1305_keypair(epk, esk) != 0) {
return -1; /* LCOV_EXCL_LINE */ return -1; /* LCOV_EXCL_LINE */
} }
memcpy(c, epk, crypto_box_curve25519xchacha20poly1305_PUBLICKEYBYTES);
_crypto_box_curve25519xchacha20poly1305_seal_nonce(nonce, epk, pk); _crypto_box_curve25519xchacha20poly1305_seal_nonce(nonce, epk, pk);
ret = crypto_box_curve25519xchacha20poly1305_easy( ret = crypto_box_curve25519xchacha20poly1305_easy(
c + crypto_box_curve25519xchacha20poly1305_PUBLICKEYBYTES, m, mlen, c + crypto_box_curve25519xchacha20poly1305_PUBLICKEYBYTES, m, mlen,
nonce, pk, esk); nonce, pk, esk);
memcpy(c, epk, crypto_box_curve25519xchacha20poly1305_PUBLICKEYBYTES);
sodium_memzero(esk, sizeof esk); sodium_memzero(esk, sizeof esk);
sodium_memzero(epk, sizeof epk); sodium_memzero(epk, sizeof epk);
sodium_memzero(nonce, sizeof nonce); sodium_memzero(nonce, sizeof nonce);

68
test/default/box_seal.c
View File

@ -41,9 +41,38 @@ void tv1(void)
assert(crypto_box_sealbytes() == crypto_box_SEALBYTES); assert(crypto_box_sealbytes() == crypto_box_SEALBYTES);
} }
#ifndef SODIUM_LIBRARY_MINIMAL
static static
void tv2(void) void tv2(void)
{
unsigned char pk[crypto_box_PUBLICKEYBYTES];
unsigned char sk[crypto_box_SECRETKEYBYTES];
unsigned char *cm;
unsigned char *m2;
size_t m_len;
size_t cm_len;
crypto_box_keypair(pk, sk);
m_len = (size_t) randombytes_uniform(1000);
cm_len = crypto_box_SEALBYTES + m_len;
m2 = (unsigned char *) sodium_malloc(m_len);
cm = (unsigned char *) sodium_malloc(cm_len);
randombytes_buf(cm, m_len);
if (crypto_box_seal(cm, cm, m_len, pk) != 0) {
printf("crypto_box_seal() failure\n");
return;
}
if (crypto_box_seal_open(m2, cm, cm_len, pk, sk) != 0) {
printf("crypto_box_seal_open() failure\n");
return;
}
assert(memcmp(cm, m2, m_len) != 0);
sodium_free(cm);
sodium_free(m2);
}
#ifndef SODIUM_LIBRARY_MINIMAL
static
void tv3(void)
{ {
unsigned char pk[crypto_box_curve25519xchacha20poly1305_PUBLICKEYBYTES]; unsigned char pk[crypto_box_curve25519xchacha20poly1305_PUBLICKEYBYTES];
unsigned char sk[crypto_box_curve25519xchacha20poly1305_SECRETKEYBYTES]; unsigned char sk[crypto_box_curve25519xchacha20poly1305_SECRETKEYBYTES];
@ -82,13 +111,46 @@ void tv2(void)
crypto_box_curve25519xchacha20poly1305_SEALBYTES); crypto_box_curve25519xchacha20poly1305_SEALBYTES);
} }
static
void tv4(void)
{
unsigned char pk[crypto_box_curve25519xchacha20poly1305_PUBLICKEYBYTES];
unsigned char sk[crypto_box_curve25519xchacha20poly1305_SECRETKEYBYTES];
unsigned char *cm;
unsigned char *m2;
size_t m_len;
size_t cm_len;
crypto_box_curve25519xchacha20poly1305_keypair(pk, sk);
m_len = (size_t) randombytes_uniform(1000);
cm_len = crypto_box_curve25519xchacha20poly1305_SEALBYTES + m_len;
m2 = (unsigned char *) sodium_malloc(m_len);
cm = (unsigned char *) sodium_malloc(cm_len);
randombytes_buf(cm, m_len);
if (crypto_box_curve25519xchacha20poly1305_seal(cm, cm, m_len, pk) != 0) {
printf("crypto_box_curve25519xchacha20poly1305_seal() failure\n");
return;
}
if (crypto_box_curve25519xchacha20poly1305_seal_open(m2, cm, cm_len, pk, sk) != 0) {
printf("crypto_box_curve25519xchacha20poly1305_seal_open() failure\n");
return;
}
assert(memcmp(cm, m2, m_len) != 0);
sodium_free(cm);
sodium_free(m2);
}
#else #else
static static
void tv2(void) void tv3(void)
{ {
printf("0\n-1\n-1\n-1\n"); printf("0\n-1\n-1\n-1\n");
} }
static
void tv4(void)
{ }
#endif #endif
int int
@ -96,6 +158,8 @@ main(void)
{ {
tv1(); tv1();
tv2(); tv2();
tv3();
tv4();
return 0; return 0;
} }