arm64/machine.m4 - master - githubmirror/nettle

arm64/machine.m4
71 строка2 KB
Mamone Tarsha
[AArch64] Utilize AES 1-block macros in 4-block macros
08 авг 2021, 16:12
08 авг 2021, 16:12a47813c
C Get 32-bit floating-point register from vector register
C SFP(VR)
define(`SFP',``s'substr($1,1,len($1))')

C Get 128-bit floating-point register from vector register
C QFP(VR)
define(`QFP',``q'substr($1,1,len($1))')

C AES encryption round of 1-block
C AESE_ROUND_1B(BLOCK, KEY)
define(`AESE_ROUND_1B', m4_assert_numargs(2)`
    aese           $1.16b,$2.16b
    aesmc          $1.16b,$1.16b
')

C AES last encryption round of 1-block
C AESE_LAST_ROUND_1B(BLOCK, KEY0, KEY1)
define(`AESE_LAST_ROUND_1B', m4_assert_numargs(3)`
    aese           $1.16b,$2.16b
    eor            $1.16b,$1.16b,$3.16b
')

C AES decryption round of 1-block
C AESD_ROUND_1B(BLOCK, KEY)
define(`AESD_ROUND_1B', m4_assert_numargs(2)`
    aesd           $1.16b,$2.16b
    aesimc         $1.16b,$1.16b
')

C AES last decryption round of 1-block
C AESD_LAST_ROUND_1B(BLOCK, KEY0, KEY1)
define(`AESD_LAST_ROUND_1B', m4_assert_numargs(3)`
    aesd           $1.16b,$2.16b
    eor            $1.16b,$1.16b,$3.16b
')

C AES encryption round of 4-blocks
C AESE_ROUND_4B(BLOCK0, BLOCK1, BLOCK2, BLOCK3, KEY)
define(`AESE_ROUND_4B', m4_assert_numargs(5)`
    AESE_ROUND_1B($1,$5)
    AESE_ROUND_1B($2,$5)
    AESE_ROUND_1B($3,$5)
    AESE_ROUND_1B($4,$5)
')

C AES last encryption round of 4-blocks
C AESE_LAST_ROUND_4B(BLOCK0, BLOCK1, BLOCK2, BLOCK3, KEY0, KEY1)
define(`AESE_LAST_ROUND_4B', m4_assert_numargs(6)`
    AESE_LAST_ROUND_1B($1,$5,$6)
    AESE_LAST_ROUND_1B($2,$5,$6)
    AESE_LAST_ROUND_1B($3,$5,$6)
    AESE_LAST_ROUND_1B($4,$5,$6)
')

C AES decryption round of 4-blocks
C AESD_ROUND_4B(BLOCK0, BLOCK1, BLOCK2, BLOCK3, KEY)
define(`AESD_ROUND_4B', m4_assert_numargs(5)`
    AESD_ROUND_1B($1,$5)
    AESD_ROUND_1B($2,$5)
    AESD_ROUND_1B($3,$5)
    AESD_ROUND_1B($4,$5)
')

C AES last decryption round of 4-blocks
C AESD_LAST_ROUND_4B(BLOCK0, BLOCK1, BLOCK2, BLOCK3, KEY0, KEY1)
define(`AESD_LAST_ROUND_4B', m4_assert_numargs(6)`
    AESD_LAST_ROUND_1B($1,$5,$6)
    AESD_LAST_ROUND_1B($2,$5,$6)
    AESD_LAST_ROUND_1B($3,$5,$6)
    AESD_LAST_ROUND_1B($4,$5,$6)
')