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Add reference to x86 asm

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Signed-off-by: Dave Rodgman <dave.rodgman@arm.com>
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Dave Rodgman 2023-06-12 17:27:52 +01:00
parent cd1de6350e
commit d441a14f38
1 changed files with 2 additions and 2 deletions
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ChangeLog.d/safer-ct.txt
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@ -2,5 +2,5 @@ Security
* Updates to constant time C code so that compilers are less likely to use * Updates to constant time C code so that compilers are less likely to use
conditional instructions (Clang was observed to use these). Conditional conditional instructions (Clang was observed to use these). Conditional
instructions might have an observable difference in timing. Introduce instructions might have an observable difference in timing. Introduce
assembly implementations for 32 and 64-bit Arm which are guaranteed not assembly implementations for 32 and 64-bit Arm and for x86 and x86-64,
to use conditional instructions. which are guaranteed not to use conditional instructions.