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Aarch64 Poly1305: fix corner case

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Don't mask top 26 bits as it may have next bit set as reduction step was
only approximate.
This commit is contained in:
Sean Parkinson
2024-12-11 12:49:21 +10:00
parent 9bec6da2ff
commit c0f3b433b2
1 changed files with 0 additions and 1 deletions
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wolfcrypt/src/port/arm/armv8-poly1305.c
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@@ -146,7 +146,6 @@ static WC_INLINE void poly1305_blocks_aarch64_16(Poly1305* ctx,
"AND x5, x10, x4, LSR #26\n\t"
"AND x4, x4, x10\n\t"
"AND x6, x6, x10\n\t"
"AND x8, x8, x10\n\t"
"STP w4, w5, [%[ctx_h], #0] \n\t"
"STP w6, w7, [%[ctx_h], #8] \n\t"
"STR w8, [%[ctx_h], #16] \n\t"