Implementation notes: amd64, hertz, crypto_aead/jambusimon64v2

Computer: hertz
Microarchitecture: amd64; Zen 4 (a60f12)
Architecture: amd64
CPU ID: AuthenticAMD-00a60f12-178bfbff
SUPERCOP version: 20240716
Operation: crypto_aead
Primitive: jambusimon64v2

Test failure

error 111
crypto_aead_encrypt is nondeterministic

Number of similar (implementation,compiler) pairs: 3, namely:

Implementation	Compiler
`T:ref`	`gcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (13.2.0)`
`T:ref`	`gcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (13.2.0)`
`T:ref`	`gcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (13.2.0)`

Compiler output

Simon.c: Simon.c:21:9: warning: unused variable 'j' [-Wunused-variable]
Simon.c:    21 |         int i, j = 0;
Simon.c:       |                ^
Simon.c: Simon.c:38:9: warning: unused variable 'j' [-Wunused-variable]
Simon.c:    38 |         int i, j = 0;
Simon.c:       |                ^
Simon.c: Simon.c:59:9: warning: unused variable 'j' [-Wunused-variable]
Simon.c:    59 |         int i, j = 0;
Simon.c:       |                ^
Simon.c: Simon.c:83:22: warning: '&' within '^' [-Wbitwise-op-parentheses]
Simon.c:    83 |                 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:    83 |                 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:    98 |                 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:    98 |                 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:   112 |                 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: 3, namely:

Implementation	Compiler
`T:ref`	`clang -march=native -O2 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_18.1.3_(1ubuntu1))`
`T:ref`	`clang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_18.1.3_(1ubuntu1))`
`T:ref`	`clang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_18.1.3_(1ubuntu1))`

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.c: encrypt.c: In function 'crypto_aead_jambusimon64v2_ref_timingleaks_encrypt':
encrypt.c: encrypt.c:217:19: warning: suggest parentheses around comparison in operand of '&' [-Wparentheses]
encrypt.c:   217 |         if ((mlen & (PBS-1) != 0)) {
encrypt.c:       |                   ^
encrypt.c: encrypt.c: In function 'crypto_aead_jambusimon64v2_ref_timingleaks_decrypt':
encrypt.c: encrypt.c:241:17: warning: unused variable 'check' [-Wunused-variable]
encrypt.c:   241 |         uint8_t check = 0;
encrypt.c:       |                 ^~~~~

Number of similar (implementation,compiler) pairs: 3, namely:

Implementation	Compiler
`T:ref`	`gcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (13.2.0)`
`T:ref`	`gcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (13.2.0)`
`T:ref`	`gcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (13.2.0)`