diff options
Diffstat (limited to 'arch/arm64/crypto')
| -rw-r--r-- | arch/arm64/crypto/aes-modes.S | 23 |
1 files changed, 21 insertions, 2 deletions
diff --git a/arch/arm64/crypto/aes-modes.S b/arch/arm64/crypto/aes-modes.S index e86535a1329d..a68412e1e3a4 100644 --- a/arch/arm64/crypto/aes-modes.S +++ b/arch/arm64/crypto/aes-modes.S @@ -395,8 +395,28 @@ AES_ENDPROC(aes_xts_decrypt) AES_ENTRY(aes_mac_update) ld1 {v0.16b}, [x4] /* get dg */ enc_prepare w2, x1, x7 - cbnz w5, .Lmacenc + cbz w5, .Lmacloop4x + encrypt_block v0, w2, x1, x7, w8 + +.Lmacloop4x: + subs w3, w3, #4 + bmi .Lmac1x + ld1 {v1.16b-v4.16b}, [x0], #64 /* get next pt block */ + eor v0.16b, v0.16b, v1.16b /* ..and xor with dg */ + encrypt_block v0, w2, x1, x7, w8 + eor v0.16b, v0.16b, v2.16b + encrypt_block v0, w2, x1, x7, w8 + eor v0.16b, v0.16b, v3.16b + encrypt_block v0, w2, x1, x7, w8 + eor v0.16b, v0.16b, v4.16b + cmp w3, wzr + csinv x5, x6, xzr, eq + cbz w5, .Lmacout + encrypt_block v0, w2, x1, x7, w8 + b .Lmacloop4x +.Lmac1x: + add w3, w3, #4 .Lmacloop: cbz w3, .Lmacout ld1 {v1.16b}, [x0], #16 /* get next pt block */ @@ -406,7 +426,6 @@ AES_ENTRY(aes_mac_update) csinv x5, x6, xzr, eq cbz w5, .Lmacout -.Lmacenc: encrypt_block v0, w2, x1, x7, w8 b .Lmacloop |