Maniphest T8514

libgcrypt: poly1305-avx512 wrong tag calculation for some inputs
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jukivili
Sun, Oct 11, 5:42 PM
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jukivili

Description

There is bugs in poly1305-avx512 in 2^44 base conversions that cause wrong tag calculation with some inputs.

Test vectors and fixes:

0001-poly1305-avx512-fix-lost-carry-and-bit-130-in-base-2.patch13 KBDownload

Revisions and Commits

rC libgcrypt
rC87714ba05030 poly1305-avx512: fix lost carry and bit 130 in base 2^44 conversions

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Event Timeline

jukivili created this task.Sun, Oct 11, 5:42 PM
jukivili renamed this task from libgcrypt: poly1305-avx512 wrong tag calculation with some inputs to libgcrypt: poly1305-avx512 wrong tag calculation (fix lost carry in conversion from base 2^44).Sun, Oct 11, 5:54 PM
jukivili renamed this task from libgcrypt: poly1305-avx512 wrong tag calculation (fix lost carry in conversion from base 2^44) to libgcrypt: poly1305-avx512 wrong tag calculation for some inputs.Sun, Oct 11, 6:40 PM
jukivili updated the task description. (Show Details)
jukivili mentioned this in T8515: libgcrypt: poly1305-p10 wrong tag calculation for some inputs.Sun, Oct 11, 6:55 PM
jukivili added a commit: rC87714ba05030: poly1305-avx512: fix lost carry and bit 130 in base 2^44 conversions.Sun, Oct 11, 7:01 PM