kevin/libsodium
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Turn a few calls with an insane message length into a sodium_misuse()

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This commit is contained in:
Frank Denis 2017-07-29 18:37:55 +02:00
parent f28fe0ae29
commit c15173de1e
8 changed files with 16 additions and 18 deletions
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4
src/libsodium/crypto_box/crypto_box_easy.c
View File

@ -41,7 +41,7 @@ crypto_box_easy_afternm(unsigned char *c, const unsigned char *m,
const unsigned char *k)
{
if (mlen > crypto_box_MESSAGEBYTES_MAX) {
return -1;
sodium_misuse();
}
return crypto_box_detached_afternm(c + crypto_box_MACBYTES, c, m, mlen, n,
k);
@ -53,7 +53,7 @@ crypto_box_easy(unsigned char *c, const unsigned char *m,
const unsigned char *pk, const unsigned char *sk)
{
if (mlen > crypto_box_MESSAGEBYTES_MAX) {
return -1;
sodium_misuse();
}
return crypto_box_detached(c + crypto_box_MACBYTES, c, m, mlen, n,
pk, sk);

4
src/libsodium/crypto_box/curve25519xchacha20poly1305/box_curve25519xchacha20poly1305.c
View File

@ -87,7 +87,7 @@ crypto_box_curve25519xchacha20poly1305_easy_afternm(unsigned char *c,
const unsigned char *k)
{
if (mlen > crypto_box_curve25519xchacha20poly1305_MESSAGEBYTES_MAX) {
return -1;
sodium_misuse();
}
return crypto_box_curve25519xchacha20poly1305_detached_afternm(
c + crypto_box_curve25519xchacha20poly1305_MACBYTES, c, m, mlen, n, k);
@ -99,7 +99,7 @@ crypto_box_curve25519xchacha20poly1305_easy(
const unsigned char *n, const unsigned char *pk, const unsigned char *sk)
{
if (mlen > crypto_box_curve25519xchacha20poly1305_MESSAGEBYTES_MAX) {
return -1;
sodium_misuse();
}
return crypto_box_curve25519xchacha20poly1305_detached(
c + crypto_box_curve25519xchacha20poly1305_MACBYTES, c, m, mlen, n, pk,

3
src/libsodium/crypto_secretbox/crypto_secretbox_easy.c
View File

@ -5,6 +5,7 @@
#include <stdlib.h>
#include <string.h>
#include "core.h"
#include "crypto_core_hsalsa20.h"
#include "crypto_onetimeauth_poly1305.h"
#include "crypto_secretbox.h"
@ -72,7 +73,7 @@ crypto_secretbox_easy(unsigned char *c, const unsigned char *m,
const unsigned char *k)
{
if (mlen > crypto_secretbox_MESSAGEBYTES_MAX) {
return -1;
sodium_misuse();
}
return crypto_secretbox_detached(c + crypto_secretbox_MACBYTES,
c, m, mlen, n, k);

2
src/libsodium/crypto_secretbox/xchacha20poly1305/secretbox_xchacha20poly1305.c
View File

@ -78,7 +78,7 @@ crypto_secretbox_xchacha20poly1305_easy(unsigned char *c,
const unsigned char *k)
{
if (mlen > crypto_secretbox_xchacha20poly1305_MESSAGEBYTES_MAX) {
return -1;
sodium_misuse();
}
return crypto_secretbox_xchacha20poly1305_detached
(c + crypto_secretbox_xchacha20poly1305_MACBYTES, c, m, mlen, n, k);

5
test/default/box_easy.c
View File

@ -64,11 +64,8 @@ main(void)
}
printf("\n");
c[randombytes_uniform(crypto_box_MACBYTES)]++;
ret =
crypto_box_open_easy(c, c, crypto_box_MACBYTES, nonce, bobpk, alicesk);
ret = crypto_box_open_easy(c, c, crypto_box_MACBYTES, nonce, bobpk, alicesk);
assert(ret == -1);
assert(crypto_box_easy(c, m, SIZE_MAX - 1U, nonce, bobpk, alicesk) == -1);
return 0;
}

6
test/default/box_easy2.c
View File

@ -88,10 +88,10 @@ main(void)
memset(m2, 0, m2_size);
if (crypto_box_easy_afternm(c, m, SIZE_MAX - 1U, nonce, k1) == 0) {
if (crypto_box_easy_afternm(c, m, 0, nonce, k1) != 0) {
printf(
"crypto_box_easy_afternm() with a short ciphertext should have "
"failed\n");
"crypto_box_easy_afternm() with a null ciphertext should have "
"worked\n");
}
crypto_box_easy_afternm(c, m, (unsigned long long) mlen, nonce, k1);
if (crypto_box_open_easy_afternm(

2
test/default/secretbox_easy.c
View File

@ -76,7 +76,7 @@ main(void)
}
printf("\n");
assert(crypto_secretbox_easy(c, m, SIZE_MAX - 1U, nonce, firstkey) == -1);
assert(crypto_secretbox_easy(c, m, 0, nonce, firstkey) == 0);
/* Null message */

8
test/default/xchacha20.c
View File

@ -234,8 +234,8 @@ tv_secretbox_xchacha20poly1305(void)
(crypto_secretbox_xchacha20poly1305_MACBYTES + m_len);
sodium_hex2bin(out, crypto_secretbox_xchacha20poly1305_MACBYTES + m_len,
tv->out, strlen(tv->out), NULL, NULL, NULL);
assert(crypto_secretbox_xchacha20poly1305_easy(out2, m, 0, nonce, key) == 0);
assert(crypto_secretbox_xchacha20poly1305_easy(out2, m, m_len, nonce, key) == 0);
assert(crypto_secretbox_xchacha20poly1305_easy(out2, m, SIZE_MAX, nonce, key) == -1);
assert(memcmp(out, out2,
crypto_secretbox_xchacha20poly1305_MACBYTES + m_len) == 0);
n = randombytes_uniform(crypto_secretbox_xchacha20poly1305_MACBYTES + m_len);
@ -320,10 +320,10 @@ tv_box_xchacha20poly1305(void)
randombytes_buf(nonce, crypto_box_curve25519xchacha20poly1305_NONCEBYTES);
randombytes_buf(m, m_len);
assert(crypto_box_curve25519xchacha20poly1305_keypair(pk, sk) == 0);
assert(crypto_box_curve25519xchacha20poly1305_easy(out, m, 0, nonce,
pk, sk) == 0);
assert(crypto_box_curve25519xchacha20poly1305_easy(out, m, m_len, nonce,
pk, sk) == 0);
assert(crypto_box_curve25519xchacha20poly1305_easy(out, m, SIZE_MAX, nonce,
pk, sk) == -1);
assert(crypto_box_curve25519xchacha20poly1305_open_easy
(m2, out, crypto_box_curve25519xchacha20poly1305_MACBYTES + m_len,
nonce, pk, sk) == 0);
@ -334,7 +334,7 @@ tv_box_xchacha20poly1305(void)
(crypto_box_curve25519xchacha20poly1305_MACBYTES + m_len);
assert(crypto_box_curve25519xchacha20poly1305_beforenm(pc, pk, sk) == 0);
assert(crypto_box_curve25519xchacha20poly1305_easy_afternm
(out, m, SIZE_MAX, nonce, pc) == -1);
(out, m, 0, nonce, pc) == 0);
assert(crypto_box_curve25519xchacha20poly1305_easy_afternm
(out, m, m_len, nonce, pc) == 0);
assert(crypto_box_curve25519xchacha20poly1305_open_easy_afternm