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Trigger sodium_misuse() if mlen > secretstream_MESSAGESBYTES_MAX

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This commit is contained in:
Frank Denis 2017-08-16 13:59:56 +02:00
parent 72d5d506d5
commit 88c0b6538f
1 changed files with 2 additions and 2 deletions
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4
src/libsodium/crypto_secretstream/xchacha20poly1305/secretstream_xchacha20poly1305.c
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@ -95,7 +95,7 @@ crypto_secretstream_xchacha20poly1305_push
*outlen_p = 0U; *outlen_p = 0U;
} }
if (mlen > crypto_secretstream_xchacha20poly1305_MESSAGESBYTES_MAX) { if (mlen > crypto_secretstream_xchacha20poly1305_MESSAGESBYTES_MAX) {
return -1; sodium_misuse();
} }
crypto_stream_chacha20_ietf(block, sizeof block, state->nonce, state->k); crypto_stream_chacha20_ietf(block, sizeof block, state->nonce, state->k);
crypto_onetimeauth_poly1305_init(&poly1305_state, block); crypto_onetimeauth_poly1305_init(&poly1305_state, block);
@ -171,7 +171,7 @@ crypto_secretstream_xchacha20poly1305_pull
} }
mlen = inlen - crypto_secretstream_xchacha20poly1305_ABYTES; mlen = inlen - crypto_secretstream_xchacha20poly1305_ABYTES;
if (mlen > crypto_secretstream_xchacha20poly1305_MESSAGESBYTES_MAX) { if (mlen > crypto_secretstream_xchacha20poly1305_MESSAGESBYTES_MAX) {
return -1; sodium_misuse();
} }
crypto_stream_chacha20_ietf(block, sizeof block, state->nonce, state->k); crypto_stream_chacha20_ietf(block, sizeof block, state->nonce, state->k);
crypto_onetimeauth_poly1305_init(&poly1305_state, block); crypto_onetimeauth_poly1305_init(&poly1305_state, block);