Implementation notes: amd64, samba, crypto_aead/simonjambu128v2

Computer: samba
Microarchitecture: amd64; Skylake (506e3)
Architecture: amd64
CPU ID: GenuineIntel-000506e3-bfebfbff
SUPERCOP version: 20240625
Operation: crypto_aead
Primitive: simonjambu128v2

Test failure

error 111
crypto_aead_decrypt returns nonzero

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

Implementation	Compiler
`T:ref`	`gcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)`
`T:ref`	`gcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)`
`T:ref`	`gcc -march=native -mtune=native -O -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)`
`T:ref`	`gcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)`

Compiler output

Simon.c: Simon.c:21:9: warning: unused variable 'j' [-Wunused-variable]
Simon.c:         int i, j = 0;
Simon.c:                ^
Simon.c: Simon.c:38:9: warning: unused variable 'j' [-Wunused-variable]
Simon.c:         int i, j = 0;
Simon.c:                ^
Simon.c: Simon.c:59:9: warning: unused variable 'j' [-Wunused-variable]
Simon.c:         int i, j = 0;
Simon.c:                ^
Simon.c: Simon.c:83:22: warning: '&' within '^' [-Wbitwise-op-parentheses]
Simon.c:                 x = y ^ ROTL(1, x) & ROTL(8, x) ^ ROTL(2, x) ^ k[i];
Simon.c:                       ~ ~~~~~~~~~~~^~~~~~~~~~~~
Simon.c: Simon.c:83:22: note: place parentheses around the '&' expression to silence this warning
Simon.c:                 x = y ^ ROTL(1, x) & ROTL(8, x) ^ ROTL(2, x) ^ k[i];
Simon.c:                         ~~~~~~~~~~~^~~~~~~~~~~~
Simon.c: Simon.c:98:27: warning: '&' within '^' [-Wbitwise-op-parentheses]
Simon.c:                 x = y ^ ROTL2(1, x, 48) & ROTL2(8, x, 48) ^ ROTL2(2, x, 48) ^ k[i];
Simon.c:                       ~ ~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~
Simon.c: Simon.c:98:27: note: place parentheses around the '&' expression to silence this warning
Simon.c:                 x = y ^ ROTL2(1, x, 48) & ROTL2(8, x, 48) ^ ROTL2(2, x, 48) ^ k[i];
Simon.c:                         ~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~
Simon.c: Simon.c:112:25: warning: '&' within '^' [-Wbitwise-op-parentheses]
Simon.c:                 x = y ^ ROTL64(x, 1) & ROTL64(x, 8) ^ ROTL64(x, 2) ^ k[i];
Simon.c:                       ~ ~~~~~~~~~~~~~^~~~~~~~~~~~~~
Simon.c: Simon.c:112:25: note: place parentheses around the '&' expression to silence this warning
Simon.c: ...

Number of similar (implementation,compiler) pairs: 5, namely:

Implementation	Compiler
`T:ref`	`clang -march=native -O2 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)`
`T:ref`	`clang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)`
`T:ref`	`clang -march=native -O -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)`
`T:ref`	`clang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)`
`T:ref`	`clang -mcpu=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)`

Compiler output

Simon.c: Simon.c: In function 'SimonKeySetup64':
Simon.c: Simon.c:21:16: warning: unused variable 'j' [-Wunused-variable]
Simon.c:    21 |         int i, j = 0;
Simon.c:       |                ^
Simon.c: Simon.c: In function 'SimonKeySetup96':
Simon.c: Simon.c:38:16: warning: unused variable 'j' [-Wunused-variable]
Simon.c:    38 |         int i, j = 0;
Simon.c:       |                ^
Simon.c: Simon.c: In function 'SimonKeySetup128':
Simon.c: Simon.c:59:16: warning: unused variable 'j' [-Wunused-variable]
Simon.c:    59 |         int i, j = 0;
Simon.c:       |                ^
Simon.c: Simon.c: In function 'SimonEncrypt64':
Simon.c: Simon.c:83:36: warning: suggest parentheses around arithmetic in operand of '^' [-Wparentheses]
Simon.c:    83 |                 x = y ^ ROTL(1, x) & ROTL(8, x) ^ ROTL(2, x) ^ k[i];
Simon.c: Simon.c: In function 'SimonEncrypt96':
Simon.c: Simon.c:98:41: warning: suggest parentheses around arithmetic in operand of '^' [-Wparentheses]
Simon.c:    98 |                 x = y ^ ROTL2(1, x, 48) & ROTL2(8, x, 48) ^ ROTL2(2, x, 48) ^ k[i];
Simon.c: Simon.c: In function 'SimonEncrypt128':
Simon.c: Simon.c:112:38: warning: suggest parentheses around arithmetic in operand of '^' [-Wparentheses]
Simon.c:   112 |                 x = y ^ ROTL64(x, 1) & ROTL64(x, 8) ^ ROTL64(x, 2) ^ k[i];
encrypt_simon128.c: encrypt_simon128.c: In function 'crypto_aead_simonjambu128v2_ref_timingleaks_encrypt':
encrypt_simon128.c: encrypt_simon128.c:219:19: warning: suggest parentheses around comparison in operand of '&' [-Wparentheses]
encrypt_simon128.c:   219 |         if ((mlen & (PBS-1) != 0)) {
encrypt_simon128.c:       |                   ^
encrypt_simon128.c: encrypt_simon128.c: In function 'crypto_aead_simonjambu128v2_ref_timingleaks_decrypt':
encrypt_simon128.c: encrypt_simon128.c:243:17: warning: unused variable 'check' [-Wunused-variable]
encrypt_simon128.c:   243 |         uint8_t check = 0;
encrypt_simon128.c:       |                 ^~~~~

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

Implementation	Compiler
`T:ref`	`gcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)`
`T:ref`	`gcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)`
`T:ref`	`gcc -march=native -mtune=native -O -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)`
`T:ref`	`gcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)`