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Add comments on wrong alignment

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This commit is contained in:
Frank Denis 2020-07-01 23:32:43 +02:00
parent e87df50575
commit 290197ba3e
1 changed files with 2 additions and 0 deletions
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2
src/libsodium/crypto_secretstream/xchacha20poly1305/secretstream_xchacha20poly1305.c
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@ -148,6 +148,7 @@ crypto_secretstream_xchacha20poly1305_push
crypto_onetimeauth_poly1305_update(&poly1305_state, c, mlen); crypto_onetimeauth_poly1305_update(&poly1305_state, c, mlen);
crypto_onetimeauth_poly1305_update crypto_onetimeauth_poly1305_update
(&poly1305_state, _pad0, (0x10 - (sizeof block) + mlen) & 0xf); (&poly1305_state, _pad0, (0x10 - (sizeof block) + mlen) & 0xf);
/* should have been (0x10 - (sizeof block + mlen)) & 0xf to keep input blocks aligned */
STORE64_LE(slen, (uint64_t) adlen); STORE64_LE(slen, (uint64_t) adlen);
crypto_onetimeauth_poly1305_update(&poly1305_state, slen, sizeof slen); crypto_onetimeauth_poly1305_update(&poly1305_state, slen, sizeof slen);
@ -224,6 +225,7 @@ crypto_secretstream_xchacha20poly1305_pull
crypto_onetimeauth_poly1305_update(&poly1305_state, c, mlen); crypto_onetimeauth_poly1305_update(&poly1305_state, c, mlen);
crypto_onetimeauth_poly1305_update crypto_onetimeauth_poly1305_update
(&poly1305_state, _pad0, (0x10 - (sizeof block) + mlen) & 0xf); (&poly1305_state, _pad0, (0x10 - (sizeof block) + mlen) & 0xf);
/* should have been (0x10 - (sizeof block + mlen)) & 0xf to keep input blocks aligned */
STORE64_LE(slen, (uint64_t) adlen); STORE64_LE(slen, (uint64_t) adlen);
crypto_onetimeauth_poly1305_update(&poly1305_state, slen, sizeof slen); crypto_onetimeauth_poly1305_update(&poly1305_state, slen, sizeof slen);