diff options
author | Arne Schwabe <arne@rfc2549.org> | 2015-04-15 00:17:26 +0200 |
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committer | Arne Schwabe <arne@rfc2549.org> | 2015-04-15 00:20:23 +0200 |
commit | c3ae4aaac9f0b168aed063d3e86c5196608eaba1 (patch) | |
tree | 1a18e7d8751d4dd3682d82d12c8441b335112984 /main/openssl/crypto/modes/asm/ghashv8-armx-64.S | |
parent | 5e42114d22faefe7c272b1b498fdf5640da494c7 (diff) |
Move more to git, add submodules, fix build script, change hgignore to gitignore
Diffstat (limited to 'main/openssl/crypto/modes/asm/ghashv8-armx-64.S')
m--------- | main/openssl | 0 | ||||
-rw-r--r-- | main/openssl/crypto/modes/asm/ghashv8-armx-64.S | 115 |
2 files changed, 0 insertions, 115 deletions
diff --git a/main/openssl b/main/openssl new file mode 160000 +Subproject 4d377a9ce111930d8a8f06dc0e94a892a7f6c51 diff --git a/main/openssl/crypto/modes/asm/ghashv8-armx-64.S b/main/openssl/crypto/modes/asm/ghashv8-armx-64.S deleted file mode 100644 index b77b6c40..00000000 --- a/main/openssl/crypto/modes/asm/ghashv8-armx-64.S +++ /dev/null @@ -1,115 +0,0 @@ -#include "arm_arch.h" - -.text -.arch armv8-a+crypto -.global gcm_init_v8 -.type gcm_init_v8,%function -.align 4 -gcm_init_v8: - ld1 {v17.2d},[x1] //load H - movi v16.16b,#0xe1 - ext v3.16b,v17.16b,v17.16b,#8 - shl v16.2d,v16.2d,#57 - ushr v18.2d,v16.2d,#63 - ext v16.16b,v18.16b,v16.16b,#8 //t0=0xc2....01 - dup v17.4s,v17.s[1] - ushr v19.2d,v3.2d,#63 - sshr v17.4s,v17.4s,#31 //broadcast carry bit - and v19.16b,v19.16b,v16.16b - shl v3.2d,v3.2d,#1 - ext v19.16b,v19.16b,v19.16b,#8 - and v16.16b,v16.16b,v17.16b - orr v3.16b,v3.16b,v19.16b //H<<<=1 - eor v3.16b,v3.16b,v16.16b //twisted H - st1 {v3.2d},[x0] - - ret -.size gcm_init_v8,.-gcm_init_v8 - -.global gcm_gmult_v8 -.type gcm_gmult_v8,%function -.align 4 -gcm_gmult_v8: - ld1 {v17.2d},[x0] //load Xi - movi v19.16b,#0xe1 - ld1 {v20.2d},[x1] //load twisted H - shl v19.2d,v19.2d,#57 -#ifndef __ARMEB__ - rev64 v17.16b,v17.16b -#endif - ext v21.16b,v20.16b,v20.16b,#8 - mov x3,#0 - ext v3.16b,v17.16b,v17.16b,#8 - mov x12,#0 - eor v21.16b,v21.16b,v20.16b //Karatsuba pre-processing - mov x2,x0 - b .Lgmult_v8 -.size gcm_gmult_v8,.-gcm_gmult_v8 - -.global gcm_ghash_v8 -.type gcm_ghash_v8,%function -.align 4 -gcm_ghash_v8: - ld1 {v0.2d},[x0] //load [rotated] Xi - subs x3,x3,#16 - movi v19.16b,#0xe1 - mov x12,#16 - ld1 {v20.2d},[x1] //load twisted H - csel x12,xzr,x12,eq - ext v0.16b,v0.16b,v0.16b,#8 - shl v19.2d,v19.2d,#57 - ld1 {v17.2d},[x2],x12 //load [rotated] inp - ext v21.16b,v20.16b,v20.16b,#8 -#ifndef __ARMEB__ - rev64 v0.16b,v0.16b - rev64 v17.16b,v17.16b -#endif - eor v21.16b,v21.16b,v20.16b //Karatsuba pre-processing - ext v3.16b,v17.16b,v17.16b,#8 - b .Loop_v8 - -.align 4 -.Loop_v8: - ext v18.16b,v0.16b,v0.16b,#8 - eor v3.16b,v3.16b,v0.16b //inp^=Xi - eor v17.16b,v17.16b,v18.16b //v17.16b is rotated inp^Xi - -.Lgmult_v8: - pmull v0.1q,v20.1d,v3.1d //H.lo·Xi.lo - eor v17.16b,v17.16b,v3.16b //Karatsuba pre-processing - pmull2 v2.1q,v20.2d,v3.2d //H.hi·Xi.hi - subs x3,x3,#16 - pmull v1.1q,v21.1d,v17.1d //(H.lo+H.hi)·(Xi.lo+Xi.hi) - csel x12,xzr,x12,eq - - ext v17.16b,v0.16b,v2.16b,#8 //Karatsuba post-processing - eor v18.16b,v0.16b,v2.16b - eor v1.16b,v1.16b,v17.16b - ld1 {v17.2d},[x2],x12 //load [rotated] inp - eor v1.16b,v1.16b,v18.16b - pmull v18.1q,v0.1d,v19.1d //1st phase - - ins v2.d[0],v1.d[1] - ins v1.d[1],v0.d[0] -#ifndef __ARMEB__ - rev64 v17.16b,v17.16b -#endif - eor v0.16b,v1.16b,v18.16b - ext v3.16b,v17.16b,v17.16b,#8 - - ext v18.16b,v0.16b,v0.16b,#8 //2nd phase - pmull v0.1q,v0.1d,v19.1d - eor v18.16b,v18.16b,v2.16b - eor v0.16b,v0.16b,v18.16b - b.hs .Loop_v8 - -#ifndef __ARMEB__ - rev64 v0.16b,v0.16b -#endif - ext v0.16b,v0.16b,v0.16b,#8 - st1 {v0.2d},[x0] //write out Xi - - ret -.size gcm_ghash_v8,.-gcm_ghash_v8 -.asciz "GHASH for ARMv8, CRYPTOGAMS by <appro@openssl.org>" -.align 2 |