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Fix SHA3_squeeze state handling for OpenSSL 3.5.7 integration #310

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Fix SHA3_squeeze state handling for OpenSSL 3.5.7 integration #310

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ef14d11
Fix SHA3_squeeze state handling for OpenSSL 3.5.7 integration
Jul 9, 2026
190b16d
Merge branch 'intel:main' into oe-openssl357-keccak-fix
sahi82 Jul 21, 2026
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15 changes: 9 additions & 6 deletions openssl_source/Linux/crypto/sha/keccak1600-x86_64.s
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Original file line number Diff line number Diff line change
Expand Up @@ -453,19 +453,21 @@ SHA3_squeeze:
.cfi_offset %r14,-32

shrq $3,%rcx
movq %rdi,%r8
movq %rdi,%r9
movq %rsi,%r12
movq %rdx,%r13
movq %rcx,%r14
btl $0,%r8d
jc .Lnext_block
jmp .Loop_squeeze

.align 32
.Loop_squeeze:
cmpq $8,%r13
jb .Ltail_squeeze

movq (%r8),%rax
leaq 8(%r8),%r8
movq (%r9),%rax
leaq 8(%r9),%r9
movq %rax,(%r12)
leaq 8(%r12),%r12
subq $8,%r13
Expand All @@ -474,17 +476,18 @@ SHA3_squeeze:
subq $1,%rcx
jnz .Loop_squeeze


.Lnext_block:
call KeccakF1600
movq %rdi,%r8
movq %rdi,%r9
movq %r14,%rcx
jmp .Loop_squeeze

.Ltail_squeeze:
movq %r8,%rsi
movq %r9,%rsi
movq %r12,%rdi
movq %r13,%rcx
.byte 0xf3,0xa4
lfence # mgadd load_only

.Ldone_squeeze:
popq %r14
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