Implementation notes: amd64, speed2supercop, crypto_aead/romulusm

Computer: speed2supercop
Microarchitecture: amd64; Haswell+AES (306c3)
Architecture: amd64
CPU ID: GenuineIntel-000306c3-1fc9cbf5
SUPERCOP version: 20240425
Operation: crypto_aead
Primitive: romulusm

Time	Object size	Test size	Implementation	Compiler	Benchmark date	SUPERCOP version
268692	10949 0 0	23128 728 896	`aadomn/x86`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20240427	20240425
277860	13293 0 0	29021 752 928	`aadomn/x86`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20240427	20240425
278172	11917 0 0	25829 752 928	`aadomn/x86`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20240427	20240425
282108	11541 0 0	24940 744 928	`aadomn/x86`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20240427	20240425
1437044	31084 640 0	46981 1400 928	`aadomn/opt32`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20240427	20240425
1628656	21910 640 0	35549 1400 928	`aadomn/opt32`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20240427	20240425
1642728	24696 640 0	38781 1400 928	`aadomn/opt32`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20240427	20240425
1663256	20211 640 0	32528 1376 896	`aadomn/opt32`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20240427	20240425
2676872	29232 12 0	45141 764 928	`T:ref`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20240427	20240425
5377688	8524 12 0	22581 764 928	`T:ref`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20240427	20240425
6354940	5337 12 0	17640 740 896	`T:ref`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20240427	20240425
34126328	6082 12 0	19604 756 928	`T:ref`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20240427	20240425

Test failure

Implementation: T:fixslice_opt32
Security model: timingleaks
Compiler: gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE

error 111
crypto_aead_decrypt returns nonzero

Number of similar (compiler,implementation) pairs: 4, namely:

Compiler	Implementations
gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE	T:fixslice_opt32
gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv -fPIC -fPIE	T:fixslice_opt32
gcc -march=native -mtune=native -O -fomit-frame-pointer -fwrapv -fPIC -fPIE	T:fixslice_opt32
gcc -march=native -mtune=native -Os -fomit-frame-pointer -fwrapv -fPIC -fPIE	T:fixslice_opt32

Test failure

Implementation: T:opt32t
Security model: timingleaks
Compiler: gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE

error 111
crypto_aead_decrypt allows trivial forgeries

Number of similar (compiler,implementation) pairs: 4, namely:

Compiler	Implementations
gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE	T:opt32t
gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv -fPIC -fPIE	T:opt32t
gcc -march=native -mtune=native -O -fomit-frame-pointer -fwrapv -fPIC -fPIE	T:opt32t
gcc -march=native -mtune=native -Os -fomit-frame-pointer -fwrapv -fPIC -fPIE	T:opt32t

Compiler output

Implementation: T:fixslice_opt32
Security model: timingleaks
Compiler: gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv -fPIC -fPIE

decrypt.c: decrypt.c: In function 'crypto_aead_romulusm_fixslice_opt32_timingleaks_decrypt':
decrypt.c: decrypt.c:56:22: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
decrypt.c: 56 | state[i] ^= m[i];
decrypt.c: | ~~~~~~~~~^~~~~~~
decrypt.c: decrypt.c:24:8: note: at offset 16 into destination object 'state' of size 16
decrypt.c: 24 | u8 state[BLOCKBYTES], pad[BLOCKBYTES];
decrypt.c: | ^~~~~

Number of similar (compiler,implementation) pairs: 1, namely:

Compiler	Implementations
gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv -fPIC -fPIE	T:fixslice_opt32