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Add another static assertion

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This commit is contained in:
Frank Denis 2014-06-25 01:02:17 -07:00
parent 28d6eeaad7
commit 9d8b184c1a
1 changed files with 3 additions and 1 deletions
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4
src/libsodium/crypto_secretbox/crypto_secretbox_easy.c
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@ -33,7 +33,7 @@ crypto_secretbox_easy_detached(unsigned char *c, unsigned char *mac,
crypto_core_hsalsa20(subkey, n, k, sigma); crypto_core_hsalsa20(subkey, n, k, sigma);
memset(block0, 0U, crypto_secretbox_ZEROBYTES); memset(block0, 0U, crypto_secretbox_ZEROBYTES);
(void) sizeof(int[64U > crypto_secretbox_ZEROBYTES ? 1 : -1]); (void) sizeof(int[64U >= crypto_secretbox_ZEROBYTES ? 1 : -1]);
mlen0 = mlen; mlen0 = mlen;
if (mlen0 > 64U - crypto_secretbox_ZEROBYTES) { if (mlen0 > 64U - crypto_secretbox_ZEROBYTES) {
mlen0 = 64U - crypto_secretbox_ZEROBYTES; mlen0 = 64U - crypto_secretbox_ZEROBYTES;
@ -44,6 +44,8 @@ crypto_secretbox_easy_detached(unsigned char *c, unsigned char *mac,
crypto_stream_salsa20_xor(block0, block0, crypto_stream_salsa20_xor(block0, block0,
mlen0 + crypto_secretbox_ZEROBYTES, mlen0 + crypto_secretbox_ZEROBYTES,
n + 16, subkey); n + 16, subkey);
(void) sizeof(int[crypto_secretbox_ZEROBYTES >=
crypto_onetimeauth_poly1305_KEYBYTES ? 1 : -1]);
crypto_onetimeauth_poly1305_init(&state, block0); crypto_onetimeauth_poly1305_init(&state, block0);
memcpy(c, block0 + crypto_secretbox_ZEROBYTES, mlen0); memcpy(c, block0 + crypto_secretbox_ZEROBYTES, mlen0);