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#include "s390x_arch.h"
.text
.type AES_Te,@object
.align 256
AES_Te:
.long 0xc66363a5,0xc66363a5
.long 0xf87c7c84,0xf87c7c84
.long 0xee777799,0xee777799
.long 0xf67b7b8d,0xf67b7b8d
.long 0xfff2f20d,0xfff2f20d
.long 0xd66b6bbd,0xd66b6bbd
.long 0xde6f6fb1,0xde6f6fb1
.long 0x91c5c554,0x91c5c554
.long 0x60303050,0x60303050
.long 0x02010103,0x02010103
.long 0xce6767a9,0xce6767a9
.long 0x562b2b7d,0x562b2b7d
.long 0xe7fefe19,0xe7fefe19
.long 0xb5d7d762,0xb5d7d762
.long 0x4dababe6,0x4dababe6
.long 0xec76769a,0xec76769a
.long 0x8fcaca45,0x8fcaca45
.long 0x1f82829d,0x1f82829d
.long 0x89c9c940,0x89c9c940
.long 0xfa7d7d87,0xfa7d7d87
.long 0xeffafa15,0xeffafa15
.long 0xb25959eb,0xb25959eb
.long 0x8e4747c9,0x8e4747c9
.long 0xfbf0f00b,0xfbf0f00b
.long 0x41adadec,0x41adadec
.long 0xb3d4d467,0xb3d4d467
.long 0x5fa2a2fd,0x5fa2a2fd
.long 0x45afafea,0x45afafea
.long 0x239c9cbf,0x239c9cbf
.long 0x53a4a4f7,0x53a4a4f7
.long 0xe4727296,0xe4727296
.long 0x9bc0c05b,0x9bc0c05b
.long 0x75b7b7c2,0x75b7b7c2
.long 0xe1fdfd1c,0xe1fdfd1c
.long 0x3d9393ae,0x3d9393ae
.long 0x4c26266a,0x4c26266a
.long 0x6c36365a,0x6c36365a
.long 0x7e3f3f41,0x7e3f3f41
.long 0xf5f7f702,0xf5f7f702
.long 0x83cccc4f,0x83cccc4f
.long 0x6834345c,0x6834345c
.long 0x51a5a5f4,0x51a5a5f4
.long 0xd1e5e534,0xd1e5e534
.long 0xf9f1f108,0xf9f1f108
.long 0xe2717193,0xe2717193
.long 0xabd8d873,0xabd8d873
.long 0x62313153,0x62313153
.long 0x2a15153f,0x2a15153f
.long 0x0804040c,0x0804040c
.long 0x95c7c752,0x95c7c752
.long 0x46232365,0x46232365
.long 0x9dc3c35e,0x9dc3c35e
.long 0x30181828,0x30181828
.long 0x379696a1,0x379696a1
.long 0x0a05050f,0x0a05050f
.long 0x2f9a9ab5,0x2f9a9ab5
.long 0x0e070709,0x0e070709
.long 0x24121236,0x24121236
.long 0x1b80809b,0x1b80809b
.long 0xdfe2e23d,0xdfe2e23d
.long 0xcdebeb26,0xcdebeb26
.long 0x4e272769,0x4e272769
.long 0x7fb2b2cd,0x7fb2b2cd
.long 0xea75759f,0xea75759f
.long 0x1209091b,0x1209091b
.long 0x1d83839e,0x1d83839e
.long 0x582c2c74,0x582c2c74
.long 0x341a1a2e,0x341a1a2e
.long 0x361b1b2d,0x361b1b2d
.long 0xdc6e6eb2,0xdc6e6eb2
.long 0xb45a5aee,0xb45a5aee
.long 0x5ba0a0fb,0x5ba0a0fb
.long 0xa45252f6,0xa45252f6
.long 0x763b3b4d,0x763b3b4d
.long 0xb7d6d661,0xb7d6d661
.long 0x7db3b3ce,0x7db3b3ce
.long 0x5229297b,0x5229297b
.long 0xdde3e33e,0xdde3e33e
.long 0x5e2f2f71,0x5e2f2f71
.long 0x13848497,0x13848497
.long 0xa65353f5,0xa65353f5
.long 0xb9d1d168,0xb9d1d168
.long 0x00000000,0x00000000
.long 0xc1eded2c,0xc1eded2c
.long 0x40202060,0x40202060
.long 0xe3fcfc1f,0xe3fcfc1f
.long 0x79b1b1c8,0x79b1b1c8
.long 0xb65b5bed,0xb65b5bed
.long 0xd46a6abe,0xd46a6abe
.long 0x8dcbcb46,0x8dcbcb46
.long 0x67bebed9,0x67bebed9
.long 0x7239394b,0x7239394b
.long 0x944a4ade,0x944a4ade
.long 0x984c4cd4,0x984c4cd4
.long 0xb05858e8,0xb05858e8
.long 0x85cfcf4a,0x85cfcf4a
.long 0xbbd0d06b,0xbbd0d06b
.long 0xc5efef2a,0xc5efef2a
.long 0x4faaaae5,0x4faaaae5
.long 0xedfbfb16,0xedfbfb16
.long 0x864343c5,0x864343c5
.long 0x9a4d4dd7,0x9a4d4dd7
.long 0x66333355,0x66333355
.long 0x11858594,0x11858594
.long 0x8a4545cf,0x8a4545cf
.long 0xe9f9f910,0xe9f9f910
.long 0x04020206,0x04020206
.long 0xfe7f7f81,0xfe7f7f81
.long 0xa05050f0,0xa05050f0
.long 0x783c3c44,0x783c3c44
.long 0x259f9fba,0x259f9fba
.long 0x4ba8a8e3,0x4ba8a8e3
.long 0xa25151f3,0xa25151f3
.long 0x5da3a3fe,0x5da3a3fe
.long 0x804040c0,0x804040c0
.long 0x058f8f8a,0x058f8f8a
.long 0x3f9292ad,0x3f9292ad
.long 0x219d9dbc,0x219d9dbc
.long 0x70383848,0x70383848
.long 0xf1f5f504,0xf1f5f504
.long 0x63bcbcdf,0x63bcbcdf
.long 0x77b6b6c1,0x77b6b6c1
.long 0xafdada75,0xafdada75
.long 0x42212163,0x42212163
.long 0x20101030,0x20101030
.long 0xe5ffff1a,0xe5ffff1a
.long 0xfdf3f30e,0xfdf3f30e
.long 0xbfd2d26d,0xbfd2d26d
.long 0x81cdcd4c,0x81cdcd4c
.long 0x180c0c14,0x180c0c14
.long 0x26131335,0x26131335
.long 0xc3ecec2f,0xc3ecec2f
.long 0xbe5f5fe1,0xbe5f5fe1
.long 0x359797a2,0x359797a2
.long 0x884444cc,0x884444cc
.long 0x2e171739,0x2e171739
.long 0x93c4c457,0x93c4c457
.long 0x55a7a7f2,0x55a7a7f2
.long 0xfc7e7e82,0xfc7e7e82
.long 0x7a3d3d47,0x7a3d3d47
.long 0xc86464ac,0xc86464ac
.long 0xba5d5de7,0xba5d5de7
.long 0x3219192b,0x3219192b
.long 0xe6737395,0xe6737395
.long 0xc06060a0,0xc06060a0
.long 0x19818198,0x19818198
.long 0x9e4f4fd1,0x9e4f4fd1
.long 0xa3dcdc7f,0xa3dcdc7f
.long 0x44222266,0x44222266
.long 0x542a2a7e,0x542a2a7e
.long 0x3b9090ab,0x3b9090ab
.long 0x0b888883,0x0b888883
.long 0x8c4646ca,0x8c4646ca
.long 0xc7eeee29,0xc7eeee29
.long 0x6bb8b8d3,0x6bb8b8d3
.long 0x2814143c,0x2814143c
.long 0xa7dede79,0xa7dede79
.long 0xbc5e5ee2,0xbc5e5ee2
.long 0x160b0b1d,0x160b0b1d
.long 0xaddbdb76,0xaddbdb76
.long 0xdbe0e03b,0xdbe0e03b
.long 0x64323256,0x64323256
.long 0x743a3a4e,0x743a3a4e
.long 0x140a0a1e,0x140a0a1e
.long 0x924949db,0x924949db
.long 0x0c06060a,0x0c06060a
.long 0x4824246c,0x4824246c
.long 0xb85c5ce4,0xb85c5ce4
.long 0x9fc2c25d,0x9fc2c25d
.long 0xbdd3d36e,0xbdd3d36e
.long 0x43acacef,0x43acacef
.long 0xc46262a6,0xc46262a6
.long 0x399191a8,0x399191a8
.long 0x319595a4,0x319595a4
.long 0xd3e4e437,0xd3e4e437
.long 0xf279798b,0xf279798b
.long 0xd5e7e732,0xd5e7e732
.long 0x8bc8c843,0x8bc8c843
.long 0x6e373759,0x6e373759
.long 0xda6d6db7,0xda6d6db7
.long 0x018d8d8c,0x018d8d8c
.long 0xb1d5d564,0xb1d5d564
.long 0x9c4e4ed2,0x9c4e4ed2
.long 0x49a9a9e0,0x49a9a9e0
.long 0xd86c6cb4,0xd86c6cb4
.long 0xac5656fa,0xac5656fa
.long 0xf3f4f407,0xf3f4f407
.long 0xcfeaea25,0xcfeaea25
.long 0xca6565af,0xca6565af
.long 0xf47a7a8e,0xf47a7a8e
.long 0x47aeaee9,0x47aeaee9
.long 0x10080818,0x10080818
.long 0x6fbabad5,0x6fbabad5
.long 0xf0787888,0xf0787888
.long 0x4a25256f,0x4a25256f
.long 0x5c2e2e72,0x5c2e2e72
.long 0x381c1c24,0x381c1c24
.long 0x57a6a6f1,0x57a6a6f1
.long 0x73b4b4c7,0x73b4b4c7
.long 0x97c6c651,0x97c6c651
.long 0xcbe8e823,0xcbe8e823
.long 0xa1dddd7c,0xa1dddd7c
.long 0xe874749c,0xe874749c
.long 0x3e1f1f21,0x3e1f1f21
.long 0x964b4bdd,0x964b4bdd
.long 0x61bdbddc,0x61bdbddc
.long 0x0d8b8b86,0x0d8b8b86
.long 0x0f8a8a85,0x0f8a8a85
.long 0xe0707090,0xe0707090
.long 0x7c3e3e42,0x7c3e3e42
.long 0x71b5b5c4,0x71b5b5c4
.long 0xcc6666aa,0xcc6666aa
.long 0x904848d8,0x904848d8
.long 0x06030305,0x06030305
.long 0xf7f6f601,0xf7f6f601
.long 0x1c0e0e12,0x1c0e0e12
.long 0xc26161a3,0xc26161a3
.long 0x6a35355f,0x6a35355f
.long 0xae5757f9,0xae5757f9
.long 0x69b9b9d0,0x69b9b9d0
.long 0x17868691,0x17868691
.long 0x99c1c158,0x99c1c158
.long 0x3a1d1d27,0x3a1d1d27
.long 0x279e9eb9,0x279e9eb9
.long 0xd9e1e138,0xd9e1e138
.long 0xebf8f813,0xebf8f813
.long 0x2b9898b3,0x2b9898b3
.long 0x22111133,0x22111133
.long 0xd26969bb,0xd26969bb
.long 0xa9d9d970,0xa9d9d970
.long 0x078e8e89,0x078e8e89
.long 0x339494a7,0x339494a7
.long 0x2d9b9bb6,0x2d9b9bb6
.long 0x3c1e1e22,0x3c1e1e22
.long 0x15878792,0x15878792
.long 0xc9e9e920,0xc9e9e920
.long 0x87cece49,0x87cece49
.long 0xaa5555ff,0xaa5555ff
.long 0x50282878,0x50282878
.long 0xa5dfdf7a,0xa5dfdf7a
.long 0x038c8c8f,0x038c8c8f
.long 0x59a1a1f8,0x59a1a1f8
.long 0x09898980,0x09898980
.long 0x1a0d0d17,0x1a0d0d17
.long 0x65bfbfda,0x65bfbfda
.long 0xd7e6e631,0xd7e6e631
.long 0x844242c6,0x844242c6
.long 0xd06868b8,0xd06868b8
.long 0x824141c3,0x824141c3
.long 0x299999b0,0x299999b0
.long 0x5a2d2d77,0x5a2d2d77
.long 0x1e0f0f11,0x1e0f0f11
.long 0x7bb0b0cb,0x7bb0b0cb
.long 0xa85454fc,0xa85454fc
.long 0x6dbbbbd6,0x6dbbbbd6
.long 0x2c16163a,0x2c16163a
# Te4[256]
.byte 0x63, 0x7c, 0x77, 0x7b, 0xf2, 0x6b, 0x6f, 0xc5
.byte 0x30, 0x01, 0x67, 0x2b, 0xfe, 0xd7, 0xab, 0x76
.byte 0xca, 0x82, 0xc9, 0x7d, 0xfa, 0x59, 0x47, 0xf0
.byte 0xad, 0xd4, 0xa2, 0xaf, 0x9c, 0xa4, 0x72, 0xc0
.byte 0xb7, 0xfd, 0x93, 0x26, 0x36, 0x3f, 0xf7, 0xcc
.byte 0x34, 0xa5, 0xe5, 0xf1, 0x71, 0xd8, 0x31, 0x15
.byte 0x04, 0xc7, 0x23, 0xc3, 0x18, 0x96, 0x05, 0x9a
.byte 0x07, 0x12, 0x80, 0xe2, 0xeb, 0x27, 0xb2, 0x75
.byte 0x09, 0x83, 0x2c, 0x1a, 0x1b, 0x6e, 0x5a, 0xa0
.byte 0x52, 0x3b, 0xd6, 0xb3, 0x29, 0xe3, 0x2f, 0x84
.byte 0x53, 0xd1, 0x00, 0xed, 0x20, 0xfc, 0xb1, 0x5b
.byte 0x6a, 0xcb, 0xbe, 0x39, 0x4a, 0x4c, 0x58, 0xcf
.byte 0xd0, 0xef, 0xaa, 0xfb, 0x43, 0x4d, 0x33, 0x85
.byte 0x45, 0xf9, 0x02, 0x7f, 0x50, 0x3c, 0x9f, 0xa8
.byte 0x51, 0xa3, 0x40, 0x8f, 0x92, 0x9d, 0x38, 0xf5
.byte 0xbc, 0xb6, 0xda, 0x21, 0x10, 0xff, 0xf3, 0xd2
.byte 0xcd, 0x0c, 0x13, 0xec, 0x5f, 0x97, 0x44, 0x17
.byte 0xc4, 0xa7, 0x7e, 0x3d, 0x64, 0x5d, 0x19, 0x73
.byte 0x60, 0x81, 0x4f, 0xdc, 0x22, 0x2a, 0x90, 0x88
.byte 0x46, 0xee, 0xb8, 0x14, 0xde, 0x5e, 0x0b, 0xdb
.byte 0xe0, 0x32, 0x3a, 0x0a, 0x49, 0x06, 0x24, 0x5c
.byte 0xc2, 0xd3, 0xac, 0x62, 0x91, 0x95, 0xe4, 0x79
.byte 0xe7, 0xc8, 0x37, 0x6d, 0x8d, 0xd5, 0x4e, 0xa9
.byte 0x6c, 0x56, 0xf4, 0xea, 0x65, 0x7a, 0xae, 0x08
.byte 0xba, 0x78, 0x25, 0x2e, 0x1c, 0xa6, 0xb4, 0xc6
.byte 0xe8, 0xdd, 0x74, 0x1f, 0x4b, 0xbd, 0x8b, 0x8a
.byte 0x70, 0x3e, 0xb5, 0x66, 0x48, 0x03, 0xf6, 0x0e
.byte 0x61, 0x35, 0x57, 0xb9, 0x86, 0xc1, 0x1d, 0x9e
.byte 0xe1, 0xf8, 0x98, 0x11, 0x69, 0xd9, 0x8e, 0x94
.byte 0x9b, 0x1e, 0x87, 0xe9, 0xce, 0x55, 0x28, 0xdf
.byte 0x8c, 0xa1, 0x89, 0x0d, 0xbf, 0xe6, 0x42, 0x68
.byte 0x41, 0x99, 0x2d, 0x0f, 0xb0, 0x54, 0xbb, 0x16
# rcon[]
.long 0x01000000, 0x02000000, 0x04000000, 0x08000000
.long 0x10000000, 0x20000000, 0x40000000, 0x80000000
.long 0x1B000000, 0x36000000, 0, 0, 0, 0, 0, 0
.align 256
.size AES_Te,.-AES_Te
# void AES_encrypt(const unsigned char *inp, unsigned char *out,
# const AES_KEY *key) {
.globl AES_encrypt
.type AES_encrypt,@function
AES_encrypt:
l %r0,240(%r4)
lhi %r1,16
clr %r0,%r1
jl .Lesoft
la %r1,0(%r4)
#la %r2,0(%r2)
la %r4,0(%r3)
lghi %r3,16 # single block length
.long 0xb92e0042 # km %r4,%r2
brc 1,.-4 # can this happen?
br %r14
.align 64
.Lesoft:
stm %r3,%r14,3*4(%r15)
llgf %r8,0(%r2)
llgf %r9,4(%r2)
llgf %r10,8(%r2)
llgf %r11,12(%r2)
larl %r12,AES_Te
bras %r14,_s390x_AES_encrypt
l %r3,3*4(%r15)
st %r8,0(%r3)
st %r9,4(%r3)
st %r10,8(%r3)
st %r11,12(%r3)
lm %r6,%r14,6*4(%r15)
br %r14
.size AES_encrypt,.-AES_encrypt
.type _s390x_AES_encrypt,@function
.align 16
_s390x_AES_encrypt:
st %r14,15*4(%r15)
x %r8,0(%r4)
x %r9,4(%r4)
x %r10,8(%r4)
x %r11,12(%r4)
l %r13,240(%r4)
llill %r0,2040
aghi %r13,-1
j .Lenc_loop
.align 16
.Lenc_loop:
sllg %r1,%r8,3
srlg %r2,%r8,5
srlg %r3,%r8,13
srl %r8,21
nr %r8,%r0
ngr %r1,%r0
nr %r2,%r0
nr %r3,%r0
srlg %r5,%r9,13 # i0
sllg %r6,%r9,3
srlg %r7,%r9,5
srl %r9,21
nr %r5,%r0
nr %r9,%r0
ngr %r6,%r0
nr %r7,%r0
l %r8,0(%r8,%r12) # Te0[s0>>24]
l %r1,1(%r1,%r12) # Te3[s0>>0]
l %r2,2(%r2,%r12) # Te2[s0>>8]
l %r3,3(%r3,%r12) # Te1[s0>>16]
x %r8,3(%r5,%r12) # Te1[s1>>16]
l %r9,0(%r9,%r12) # Te0[s1>>24]
x %r2,1(%r6,%r12) # Te3[s1>>0]
x %r3,2(%r7,%r12) # Te2[s1>>8]
srlg %r5,%r10,5 # i0
srlg %r6,%r10,13 # i1
nr %r5,%r0
nr %r6,%r0
sllg %r7,%r10,3
srl %r10,21
nr %r10,%r0
ngr %r7,%r0
xr %r9,%r1
srlg %r14,%r11,5 # i1
sllg %r1,%r11,3 # i0
nr %r14,%r0
la %r4,16(%r4)
ngr %r1,%r0
x %r8,2(%r5,%r12) # Te2[s2>>8]
x %r9,3(%r6,%r12) # Te1[s2>>16]
l %r10,0(%r10,%r12) # Te0[s2>>24]
x %r3,1(%r7,%r12) # Te3[s2>>0]
srlg %r7,%r11,13 # i2
xr %r10,%r2
srl %r11,21
nr %r7,%r0
nr %r11,%r0
x %r8,0(%r4)
x %r9,4(%r4)
x %r10,8(%r4)
x %r3,12(%r4)
x %r8,1(%r1,%r12) # Te3[s3>>0]
x %r9,2(%r14,%r12) # Te2[s3>>8]
x %r10,3(%r7,%r12) # Te1[s3>>16]
l %r11,0(%r11,%r12) # Te0[s3>>24]
xr %r11,%r3
brct %r13,.Lenc_loop
.align 16
sllg %r1,%r8,3
srlg %r2,%r8,5
ngr %r1,%r0
srlg %r3,%r8,13
srl %r8,21
nr %r8,%r0
nr %r2,%r0
nr %r3,%r0
srlg %r5,%r9,13 # i0
sllg %r6,%r9,3
ngr %r6,%r0
srlg %r7,%r9,5
srl %r9,21
nr %r5,%r0
nr %r9,%r0
nr %r7,%r0
llgc %r8,2(%r8,%r12) # Te4[s0>>24]
llgc %r1,2(%r1,%r12) # Te4[s0>>0]
sll %r8,24
llgc %r2,2(%r2,%r12) # Te4[s0>>8]
llgc %r3,2(%r3,%r12) # Te4[s0>>16]
sll %r2,8
sll %r3,16
llgc %r5,2(%r5,%r12) # Te4[s1>>16]
llgc %r9,2(%r9,%r12) # Te4[s1>>24]
llgc %r6,2(%r6,%r12) # Te4[s1>>0]
llgc %r7,2(%r7,%r12) # Te4[s1>>8]
sll %r5,16
sll %r9,24
sll %r7,8
or %r8,%r5
or %r9,%r1
or %r2,%r6
or %r3,%r7
srlg %r5,%r10,5 # i0
srlg %r6,%r10,13 # i1
nr %r5,%r0
nr %r6,%r0
sllg %r7,%r10,3
srl %r10,21
ngr %r7,%r0
nr %r10,%r0
sllg %r1,%r11,3 # i0
srlg %r14,%r11,5 # i1
ngr %r1,%r0
llgc %r5,2(%r5,%r12) # Te4[s2>>8]
llgc %r6,2(%r6,%r12) # Te4[s2>>16]
sll %r5,8
llgc %r10,2(%r10,%r12) # Te4[s2>>24]
llgc %r7,2(%r7,%r12) # Te4[s2>>0]
sll %r6,16
nr %r14,%r0
sll %r10,24
or %r8,%r5
or %r9,%r6
or %r10,%r2
or %r3,%r7
srlg %r7,%r11,13 # i2
srl %r11,21
nr %r7,%r0
nr %r11,%r0
l %r0,16(%r4)
l %r2,20(%r4)
llgc %r5,2(%r1,%r12) # Te4[s3>>0]
llgc %r6,2(%r14,%r12) # Te4[s3>>8]
llgc %r7,2(%r7,%r12) # Te4[s3>>16]
llgc %r11,2(%r11,%r12) # Te4[s3>>24]
sll %r6,8
sll %r7,16
sll %r11,24
or %r8,%r5
or %r9,%r6
or %r10,%r7
or %r11,%r3
l %r14,15*4(%r15)
xr %r8,%r0
xr %r9,%r2
x %r10,24(%r4)
x %r11,28(%r4)
br %r14
.size _s390x_AES_encrypt,.-_s390x_AES_encrypt
.type AES_Td,@object
.align 256
AES_Td:
.long 0x51f4a750,0x51f4a750
.long 0x7e416553,0x7e416553
.long 0x1a17a4c3,0x1a17a4c3
.long 0x3a275e96,0x3a275e96
.long 0x3bab6bcb,0x3bab6bcb
.long 0x1f9d45f1,0x1f9d45f1
.long 0xacfa58ab,0xacfa58ab
.long 0x4be30393,0x4be30393
.long 0x2030fa55,0x2030fa55
.long 0xad766df6,0xad766df6
.long 0x88cc7691,0x88cc7691
.long 0xf5024c25,0xf5024c25
.long 0x4fe5d7fc,0x4fe5d7fc
.long 0xc52acbd7,0xc52acbd7
.long 0x26354480,0x26354480
.long 0xb562a38f,0xb562a38f
.long 0xdeb15a49,0xdeb15a49
.long 0x25ba1b67,0x25ba1b67
.long 0x45ea0e98,0x45ea0e98
.long 0x5dfec0e1,0x5dfec0e1
.long 0xc32f7502,0xc32f7502
.long 0x814cf012,0x814cf012
.long 0x8d4697a3,0x8d4697a3
.long 0x6bd3f9c6,0x6bd3f9c6
.long 0x038f5fe7,0x038f5fe7
.long 0x15929c95,0x15929c95
.long 0xbf6d7aeb,0xbf6d7aeb
.long 0x955259da,0x955259da
.long 0xd4be832d,0xd4be832d
.long 0x587421d3,0x587421d3
.long 0x49e06929,0x49e06929
.long 0x8ec9c844,0x8ec9c844
.long 0x75c2896a,0x75c2896a
.long 0xf48e7978,0xf48e7978
.long 0x99583e6b,0x99583e6b
.long 0x27b971dd,0x27b971dd
.long 0xbee14fb6,0xbee14fb6
.long 0xf088ad17,0xf088ad17
.long 0xc920ac66,0xc920ac66
.long 0x7dce3ab4,0x7dce3ab4
.long 0x63df4a18,0x63df4a18
.long 0xe51a3182,0xe51a3182
.long 0x97513360,0x97513360
.long 0x62537f45,0x62537f45
.long 0xb16477e0,0xb16477e0
.long 0xbb6bae84,0xbb6bae84
.long 0xfe81a01c,0xfe81a01c
.long 0xf9082b94,0xf9082b94
.long 0x70486858,0x70486858
.long 0x8f45fd19,0x8f45fd19
.long 0x94de6c87,0x94de6c87
.long 0x527bf8b7,0x527bf8b7
.long 0xab73d323,0xab73d323
.long 0x724b02e2,0x724b02e2
.long 0xe31f8f57,0xe31f8f57
.long 0x6655ab2a,0x6655ab2a
.long 0xb2eb2807,0xb2eb2807
.long 0x2fb5c203,0x2fb5c203
.long 0x86c57b9a,0x86c57b9a
.long 0xd33708a5,0xd33708a5
.long 0x302887f2,0x302887f2
.long 0x23bfa5b2,0x23bfa5b2
.long 0x02036aba,0x02036aba
.long 0xed16825c,0xed16825c
.long 0x8acf1c2b,0x8acf1c2b
.long 0xa779b492,0xa779b492
.long 0xf307f2f0,0xf307f2f0
.long 0x4e69e2a1,0x4e69e2a1
.long 0x65daf4cd,0x65daf4cd
.long 0x0605bed5,0x0605bed5
.long 0xd134621f,0xd134621f
.long 0xc4a6fe8a,0xc4a6fe8a
.long 0x342e539d,0x342e539d
.long 0xa2f355a0,0xa2f355a0
.long 0x058ae132,0x058ae132
.long 0xa4f6eb75,0xa4f6eb75
.long 0x0b83ec39,0x0b83ec39
.long 0x4060efaa,0x4060efaa
.long 0x5e719f06,0x5e719f06
.long 0xbd6e1051,0xbd6e1051
.long 0x3e218af9,0x3e218af9
.long 0x96dd063d,0x96dd063d
.long 0xdd3e05ae,0xdd3e05ae
.long 0x4de6bd46,0x4de6bd46
.long 0x91548db5,0x91548db5
.long 0x71c45d05,0x71c45d05
.long 0x0406d46f,0x0406d46f
.long 0x605015ff,0x605015ff
.long 0x1998fb24,0x1998fb24
.long 0xd6bde997,0xd6bde997
.long 0x894043cc,0x894043cc
.long 0x67d99e77,0x67d99e77
.long 0xb0e842bd,0xb0e842bd
.long 0x07898b88,0x07898b88
.long 0xe7195b38,0xe7195b38
.long 0x79c8eedb,0x79c8eedb
.long 0xa17c0a47,0xa17c0a47
.long 0x7c420fe9,0x7c420fe9
.long 0xf8841ec9,0xf8841ec9
.long 0x00000000,0x00000000
.long 0x09808683,0x09808683
.long 0x322bed48,0x322bed48
.long 0x1e1170ac,0x1e1170ac
.long 0x6c5a724e,0x6c5a724e
.long 0xfd0efffb,0xfd0efffb
.long 0x0f853856,0x0f853856
.long 0x3daed51e,0x3daed51e
.long 0x362d3927,0x362d3927
.long 0x0a0fd964,0x0a0fd964
.long 0x685ca621,0x685ca621
.long 0x9b5b54d1,0x9b5b54d1
.long 0x24362e3a,0x24362e3a
.long 0x0c0a67b1,0x0c0a67b1
.long 0x9357e70f,0x9357e70f
.long 0xb4ee96d2,0xb4ee96d2
.long 0x1b9b919e,0x1b9b919e
.long 0x80c0c54f,0x80c0c54f
.long 0x61dc20a2,0x61dc20a2
.long 0x5a774b69,0x5a774b69
.long 0x1c121a16,0x1c121a16
.long 0xe293ba0a,0xe293ba0a
.long 0xc0a02ae5,0xc0a02ae5
.long 0x3c22e043,0x3c22e043
.long 0x121b171d,0x121b171d
.long 0x0e090d0b,0x0e090d0b
.long 0xf28bc7ad,0xf28bc7ad
.long 0x2db6a8b9,0x2db6a8b9
.long 0x141ea9c8,0x141ea9c8
.long 0x57f11985,0x57f11985
.long 0xaf75074c,0xaf75074c
.long 0xee99ddbb,0xee99ddbb
.long 0xa37f60fd,0xa37f60fd
.long 0xf701269f,0xf701269f
.long 0x5c72f5bc,0x5c72f5bc
.long 0x44663bc5,0x44663bc5
.long 0x5bfb7e34,0x5bfb7e34
.long 0x8b432976,0x8b432976
.long 0xcb23c6dc,0xcb23c6dc
.long 0xb6edfc68,0xb6edfc68
.long 0xb8e4f163,0xb8e4f163
.long 0xd731dcca,0xd731dcca
.long 0x42638510,0x42638510
.long 0x13972240,0x13972240
.long 0x84c61120,0x84c61120
.long 0x854a247d,0x854a247d
.long 0xd2bb3df8,0xd2bb3df8
.long 0xaef93211,0xaef93211
.long 0xc729a16d,0xc729a16d
.long 0x1d9e2f4b,0x1d9e2f4b
.long 0xdcb230f3,0xdcb230f3
.long 0x0d8652ec,0x0d8652ec
.long 0x77c1e3d0,0x77c1e3d0
.long 0x2bb3166c,0x2bb3166c
.long 0xa970b999,0xa970b999
.long 0x119448fa,0x119448fa
.long 0x47e96422,0x47e96422
.long 0xa8fc8cc4,0xa8fc8cc4
.long 0xa0f03f1a,0xa0f03f1a
.long 0x567d2cd8,0x567d2cd8
.long 0x223390ef,0x223390ef
.long 0x87494ec7,0x87494ec7
.long 0xd938d1c1,0xd938d1c1
.long 0x8ccaa2fe,0x8ccaa2fe
.long 0x98d40b36,0x98d40b36
.long 0xa6f581cf,0xa6f581cf
.long 0xa57ade28,0xa57ade28
.long 0xdab78e26,0xdab78e26
.long 0x3fadbfa4,0x3fadbfa4
.long 0x2c3a9de4,0x2c3a9de4
.long 0x5078920d,0x5078920d
.long 0x6a5fcc9b,0x6a5fcc9b
.long 0x547e4662,0x547e4662
.long 0xf68d13c2,0xf68d13c2
.long 0x90d8b8e8,0x90d8b8e8
.long 0x2e39f75e,0x2e39f75e
.long 0x82c3aff5,0x82c3aff5
.long 0x9f5d80be,0x9f5d80be
.long 0x69d0937c,0x69d0937c
.long 0x6fd52da9,0x6fd52da9
.long 0xcf2512b3,0xcf2512b3
.long 0xc8ac993b,0xc8ac993b
.long 0x10187da7,0x10187da7
.long 0xe89c636e,0xe89c636e
.long 0xdb3bbb7b,0xdb3bbb7b
.long 0xcd267809,0xcd267809
.long 0x6e5918f4,0x6e5918f4
.long 0xec9ab701,0xec9ab701
.long 0x834f9aa8,0x834f9aa8
.long 0xe6956e65,0xe6956e65
.long 0xaaffe67e,0xaaffe67e
.long 0x21bccf08,0x21bccf08
.long 0xef15e8e6,0xef15e8e6
.long 0xbae79bd9,0xbae79bd9
.long 0x4a6f36ce,0x4a6f36ce
.long 0xea9f09d4,0xea9f09d4
.long 0x29b07cd6,0x29b07cd6
.long 0x31a4b2af,0x31a4b2af
.long 0x2a3f2331,0x2a3f2331
.long 0xc6a59430,0xc6a59430
.long 0x35a266c0,0x35a266c0
.long 0x744ebc37,0x744ebc37
.long 0xfc82caa6,0xfc82caa6
.long 0xe090d0b0,0xe090d0b0
.long 0x33a7d815,0x33a7d815
.long 0xf104984a,0xf104984a
.long 0x41ecdaf7,0x41ecdaf7
.long 0x7fcd500e,0x7fcd500e
.long 0x1791f62f,0x1791f62f
.long 0x764dd68d,0x764dd68d
.long 0x43efb04d,0x43efb04d
.long 0xccaa4d54,0xccaa4d54
.long 0xe49604df,0xe49604df
.long 0x9ed1b5e3,0x9ed1b5e3
.long 0x4c6a881b,0x4c6a881b
.long 0xc12c1fb8,0xc12c1fb8
.long 0x4665517f,0x4665517f
.long 0x9d5eea04,0x9d5eea04
.long 0x018c355d,0x018c355d
.long 0xfa877473,0xfa877473
.long 0xfb0b412e,0xfb0b412e
.long 0xb3671d5a,0xb3671d5a
.long 0x92dbd252,0x92dbd252
.long 0xe9105633,0xe9105633
.long 0x6dd64713,0x6dd64713
.long 0x9ad7618c,0x9ad7618c
.long 0x37a10c7a,0x37a10c7a
.long 0x59f8148e,0x59f8148e
.long 0xeb133c89,0xeb133c89
.long 0xcea927ee,0xcea927ee
.long 0xb761c935,0xb761c935
.long 0xe11ce5ed,0xe11ce5ed
.long 0x7a47b13c,0x7a47b13c
.long 0x9cd2df59,0x9cd2df59
.long 0x55f2733f,0x55f2733f
.long 0x1814ce79,0x1814ce79
.long 0x73c737bf,0x73c737bf
.long 0x53f7cdea,0x53f7cdea
.long 0x5ffdaa5b,0x5ffdaa5b
.long 0xdf3d6f14,0xdf3d6f14
.long 0x7844db86,0x7844db86
.long 0xcaaff381,0xcaaff381
.long 0xb968c43e,0xb968c43e
.long 0x3824342c,0x3824342c
.long 0xc2a3405f,0xc2a3405f
.long 0x161dc372,0x161dc372
.long 0xbce2250c,0xbce2250c
.long 0x283c498b,0x283c498b
.long 0xff0d9541,0xff0d9541
.long 0x39a80171,0x39a80171
.long 0x080cb3de,0x080cb3de
.long 0xd8b4e49c,0xd8b4e49c
.long 0x6456c190,0x6456c190
.long 0x7bcb8461,0x7bcb8461
.long 0xd532b670,0xd532b670
.long 0x486c5c74,0x486c5c74
.long 0xd0b85742,0xd0b85742
# Td4[256]
.byte 0x52, 0x09, 0x6a, 0xd5, 0x30, 0x36, 0xa5, 0x38
.byte 0xbf, 0x40, 0xa3, 0x9e, 0x81, 0xf3, 0xd7, 0xfb
.byte 0x7c, 0xe3, 0x39, 0x82, 0x9b, 0x2f, 0xff, 0x87
.byte 0x34, 0x8e, 0x43, 0x44, 0xc4, 0xde, 0xe9, 0xcb
.byte 0x54, 0x7b, 0x94, 0x32, 0xa6, 0xc2, 0x23, 0x3d
.byte 0xee, 0x4c, 0x95, 0x0b, 0x42, 0xfa, 0xc3, 0x4e
.byte 0x08, 0x2e, 0xa1, 0x66, 0x28, 0xd9, 0x24, 0xb2
.byte 0x76, 0x5b, 0xa2, 0x49, 0x6d, 0x8b, 0xd1, 0x25
.byte 0x72, 0xf8, 0xf6, 0x64, 0x86, 0x68, 0x98, 0x16
.byte 0xd4, 0xa4, 0x5c, 0xcc, 0x5d, 0x65, 0xb6, 0x92
.byte 0x6c, 0x70, 0x48, 0x50, 0xfd, 0xed, 0xb9, 0xda
.byte 0x5e, 0x15, 0x46, 0x57, 0xa7, 0x8d, 0x9d, 0x84
.byte 0x90, 0xd8, 0xab, 0x00, 0x8c, 0xbc, 0xd3, 0x0a
.byte 0xf7, 0xe4, 0x58, 0x05, 0xb8, 0xb3, 0x45, 0x06
.byte 0xd0, 0x2c, 0x1e, 0x8f, 0xca, 0x3f, 0x0f, 0x02
.byte 0xc1, 0xaf, 0xbd, 0x03, 0x01, 0x13, 0x8a, 0x6b
.byte 0x3a, 0x91, 0x11, 0x41, 0x4f, 0x67, 0xdc, 0xea
.byte 0x97, 0xf2, 0xcf, 0xce, 0xf0, 0xb4, 0xe6, 0x73
.byte 0x96, 0xac, 0x74, 0x22, 0xe7, 0xad, 0x35, 0x85
.byte 0xe2, 0xf9, 0x37, 0xe8, 0x1c, 0x75, 0xdf, 0x6e
.byte 0x47, 0xf1, 0x1a, 0x71, 0x1d, 0x29, 0xc5, 0x89
.byte 0x6f, 0xb7, 0x62, 0x0e, 0xaa, 0x18, 0xbe, 0x1b
.byte 0xfc, 0x56, 0x3e, 0x4b, 0xc6, 0xd2, 0x79, 0x20
.byte 0x9a, 0xdb, 0xc0, 0xfe, 0x78, 0xcd, 0x5a, 0xf4
.byte 0x1f, 0xdd, 0xa8, 0x33, 0x88, 0x07, 0xc7, 0x31
.byte 0xb1, 0x12, 0x10, 0x59, 0x27, 0x80, 0xec, 0x5f
.byte 0x60, 0x51, 0x7f, 0xa9, 0x19, 0xb5, 0x4a, 0x0d
.byte 0x2d, 0xe5, 0x7a, 0x9f, 0x93, 0xc9, 0x9c, 0xef
.byte 0xa0, 0xe0, 0x3b, 0x4d, 0xae, 0x2a, 0xf5, 0xb0
.byte 0xc8, 0xeb, 0xbb, 0x3c, 0x83, 0x53, 0x99, 0x61
.byte 0x17, 0x2b, 0x04, 0x7e, 0xba, 0x77, 0xd6, 0x26
.byte 0xe1, 0x69, 0x14, 0x63, 0x55, 0x21, 0x0c, 0x7d
.size AES_Td,.-AES_Td
# void AES_decrypt(const unsigned char *inp, unsigned char *out,
# const AES_KEY *key) {
.globl AES_decrypt
.type AES_decrypt,@function
AES_decrypt:
l %r0,240(%r4)
lhi %r1,16
clr %r0,%r1
jl .Ldsoft
la %r1,0(%r4)
#la %r2,0(%r2)
la %r4,0(%r3)
lghi %r3,16 # single block length
.long 0xb92e0042 # km %r4,%r2
brc 1,.-4 # can this happen?
br %r14
.align 64
.Ldsoft:
stm %r3,%r14,3*4(%r15)
llgf %r8,0(%r2)
llgf %r9,4(%r2)
llgf %r10,8(%r2)
llgf %r11,12(%r2)
larl %r12,AES_Td
bras %r14,_s390x_AES_decrypt
l %r3,3*4(%r15)
st %r8,0(%r3)
st %r9,4(%r3)
st %r10,8(%r3)
st %r11,12(%r3)
lm %r6,%r14,6*4(%r15)
br %r14
.size AES_decrypt,.-AES_decrypt
.type _s390x_AES_decrypt,@function
.align 16
_s390x_AES_decrypt:
st %r14,15*4(%r15)
x %r8,0(%r4)
x %r9,4(%r4)
x %r10,8(%r4)
x %r11,12(%r4)
l %r13,240(%r4)
llill %r0,2040
aghi %r13,-1
j .Ldec_loop
.align 16
.Ldec_loop:
srlg %r1,%r8,13
srlg %r2,%r8,5
sllg %r3,%r8,3
srl %r8,21
nr %r8,%r0
nr %r1,%r0
nr %r2,%r0
ngr %r3,%r0
sllg %r5,%r9,3 # i0
srlg %r6,%r9,13
srlg %r7,%r9,5
srl %r9,21
ngr %r5,%r0
nr %r9,%r0
nr %r6,%r0
nr %r7,%r0
l %r8,0(%r8,%r12) # Td0[s0>>24]
l %r1,3(%r1,%r12) # Td1[s0>>16]
l %r2,2(%r2,%r12) # Td2[s0>>8]
l %r3,1(%r3,%r12) # Td3[s0>>0]
x %r8,1(%r5,%r12) # Td3[s1>>0]
l %r9,0(%r9,%r12) # Td0[s1>>24]
x %r2,3(%r6,%r12) # Td1[s1>>16]
x %r3,2(%r7,%r12) # Td2[s1>>8]
srlg %r5,%r10,5 # i0
sllg %r6,%r10,3 # i1
srlg %r7,%r10,13
srl %r10,21
nr %r5,%r0
ngr %r6,%r0
nr %r10,%r0
nr %r7,%r0
xr %r9,%r1
srlg %r14,%r11,5 # i1
srlg %r1,%r11,13 # i0
nr %r14,%r0
la %r4,16(%r4)
nr %r1,%r0
x %r8,2(%r5,%r12) # Td2[s2>>8]
x %r9,1(%r6,%r12) # Td3[s2>>0]
l %r10,0(%r10,%r12) # Td0[s2>>24]
x %r3,3(%r7,%r12) # Td1[s2>>16]
sllg %r7,%r11,3 # i2
srl %r11,21
ngr %r7,%r0
nr %r11,%r0
xr %r10,%r2
x %r8,0(%r4)
x %r9,4(%r4)
x %r10,8(%r4)
x %r3,12(%r4)
x %r8,3(%r1,%r12) # Td1[s3>>16]
x %r9,2(%r14,%r12) # Td2[s3>>8]
x %r10,1(%r7,%r12) # Td3[s3>>0]
l %r11,0(%r11,%r12) # Td0[s3>>24]
xr %r11,%r3
brct %r13,.Ldec_loop
.align 16
l %r1,2048(%r12) # prefetch Td4
l %r2,2112(%r12)
l %r3,2176(%r12)
l %r5,2240(%r12)
llill %r0,0xff
srlg %r7,%r8,24 # i0
srlg %r1,%r8,16
srlg %r2,%r8,8
nr %r8,%r0 # i3
nr %r1,%r0
srlg %r5,%r9,24
nr %r2,%r0
srlg %r6,%r9,16
srlg %r14,%r9,8
nr %r9,%r0 # i0
nr %r6,%r0
nr %r14,%r0
llgc %r7,2048(%r7,%r12) # Td4[s0>>24]
llgc %r1,2048(%r1,%r12) # Td4[s0>>16]
llgc %r2,2048(%r2,%r12) # Td4[s0>>8]
sll %r1,16
llgc %r3,2048(%r8,%r12) # Td4[s0>>0]
sllg %r8,%r7,24
sll %r2,8
llgc %r9,2048(%r9,%r12) # Td4[s1>>0]
llgc %r5,2048(%r5,%r12) # Td4[s1>>24]
llgc %r6,2048(%r6,%r12) # Td4[s1>>16]
sll %r5,24
llgc %r7,2048(%r14,%r12) # Td4[s1>>8]
sll %r6,16
sll %r7,8
or %r8,%r9
or %r1,%r5
or %r2,%r6
or %r3,%r7
srlg %r5,%r10,8 # i0
srlg %r6,%r10,24
srlg %r7,%r10,16
nr %r10,%r0 # i1
nr %r5,%r0
nr %r7,%r0
llgc %r5,2048(%r5,%r12) # Td4[s2>>8]
llgc %r9,2048(%r10,%r12) # Td4[s2>>0]
llgc %r6,2048(%r6,%r12) # Td4[s2>>24]
llgc %r7,2048(%r7,%r12) # Td4[s2>>16]
sll %r5,8
sll %r6,24
or %r8,%r5
sll %r7,16
or %r2,%r6
or %r3,%r7
srlg %r5,%r11,16 # i0
srlg %r6,%r11,8 # i1
srlg %r7,%r11,24
nr %r11,%r0 # i2
nr %r5,%r0
nr %r6,%r0
l %r14,15*4(%r15)
or %r9,%r1
l %r0,16(%r4)
l %r1,20(%r4)
llgc %r5,2048(%r5,%r12) # Td4[s3>>16]
llgc %r6,2048(%r6,%r12) # Td4[s3>>8]
sll %r5,16
llgc %r10,2048(%r11,%r12) # Td4[s3>>0]
llgc %r11,2048(%r7,%r12) # Td4[s3>>24]
sll %r6,8
sll %r11,24
or %r8,%r5
or %r9,%r6
or %r10,%r2
or %r11,%r3
xr %r8,%r0
xr %r9,%r1
x %r10,24(%r4)
x %r11,28(%r4)
br %r14
.size _s390x_AES_decrypt,.-_s390x_AES_decrypt
# void AES_set_encrypt_key(const unsigned char *in, int bits,
# AES_KEY *key) {
.globl AES_set_encrypt_key
.type AES_set_encrypt_key,@function
.align 16
AES_set_encrypt_key:
_s390x_AES_set_encrypt_key:
lghi %r0,0
clr %r2,%r0
je .Lminus1
clr %r4,%r0
je .Lminus1
lghi %r0,128
clr %r3,%r0
je .Lproceed
lghi %r0,192
clr %r3,%r0
je .Lproceed
lghi %r0,256
clr %r3,%r0
je .Lproceed
lghi %r2,-2
br %r14
.align 16
.Lproceed:
# convert bits to km(c) code, [128,192,256]->[18,19,20]
lhi %r5,-128
lhi %r0,18
ar %r5,%r3
srl %r5,6
ar %r5,%r0
larl %r1,OPENSSL_s390xcap_P
llihh %r0,0x8000
srlg %r0,%r0,0(%r5)
ng %r0,S390X_KM(%r1) # check availability of both km...
ng %r0,S390X_KMC(%r1) # ...and kmc support for given key length
jz .Lekey_internal
lmg %r0,%r1,0(%r2) # just copy 128 bits...
stmg %r0,%r1,0(%r4)
lhi %r0,192
cr %r3,%r0
jl 1f
lg %r1,16(%r2)
stg %r1,16(%r4)
je 1f
lg %r1,24(%r2)
stg %r1,24(%r4)
1: st %r3,236(%r4) # save bits [for debugging purposes]
lgr %r0,%r5
st %r5,240(%r4) # save km(c) code
lghi %r2,0
br %r14
.align 16
.Lekey_internal:
stm %r4,%r13,4*4(%r15) # all non-volatile regs and %r4
larl %r12,AES_Te+2048
llgf %r8,0(%r2)
llgf %r9,4(%r2)
llgf %r10,8(%r2)
llgf %r11,12(%r2)
st %r8,0(%r4)
st %r9,4(%r4)
st %r10,8(%r4)
st %r11,12(%r4)
lghi %r0,128
cr %r3,%r0
jne .Lnot128
llill %r0,0xff
lghi %r3,0 # i=0
lghi %r13,10
st %r13,240(%r4)
llgfr %r2,%r11 # temp=rk[3]
srlg %r5,%r11,8
srlg %r6,%r11,16
srlg %r7,%r11,24
nr %r2,%r0
nr %r5,%r0
nr %r6,%r0
.align 16
.L128_loop:
la %r2,0(%r2,%r12)
la %r5,0(%r5,%r12)
la %r6,0(%r6,%r12)
la %r7,0(%r7,%r12)
icm %r2,2,0(%r2) # Te4[rk[3]>>0]<<8
icm %r2,4,0(%r5) # Te4[rk[3]>>8]<<16
icm %r2,8,0(%r6) # Te4[rk[3]>>16]<<24
icm %r2,1,0(%r7) # Te4[rk[3]>>24]
x %r2,256(%r3,%r12) # rcon[i]
xr %r8,%r2 # rk[4]=rk[0]^...
xr %r9,%r8 # rk[5]=rk[1]^rk[4]
xr %r10,%r9 # rk[6]=rk[2]^rk[5]
xr %r11,%r10 # rk[7]=rk[3]^rk[6]
llgfr %r2,%r11 # temp=rk[3]
srlg %r5,%r11,8
srlg %r6,%r11,16
nr %r2,%r0
nr %r5,%r0
srlg %r7,%r11,24
nr %r6,%r0
st %r8,16(%r4)
st %r9,20(%r4)
st %r10,24(%r4)
st %r11,28(%r4)
la %r4,16(%r4) # key+=4
la %r3,4(%r3) # i++
brct %r13,.L128_loop
lghi %r0,10
lghi %r2,0
lm %r4,%r13,4*4(%r15)
br %r14
.align 16
.Lnot128:
llgf %r0,16(%r2)
llgf %r1,20(%r2)
st %r0,16(%r4)
st %r1,20(%r4)
lghi %r0,192
cr %r3,%r0
jne .Lnot192
llill %r0,0xff
lghi %r3,0 # i=0
lghi %r13,12
st %r13,240(%r4)
lghi %r13,8
srlg %r5,%r1,8
srlg %r6,%r1,16
srlg %r7,%r1,24
nr %r1,%r0
nr %r5,%r0
nr %r6,%r0
.align 16
.L192_loop:
la %r1,0(%r1,%r12)
la %r5,0(%r5,%r12)
la %r6,0(%r6,%r12)
la %r7,0(%r7,%r12)
icm %r1,2,0(%r1) # Te4[rk[5]>>0]<<8
icm %r1,4,0(%r5) # Te4[rk[5]>>8]<<16
icm %r1,8,0(%r6) # Te4[rk[5]>>16]<<24
icm %r1,1,0(%r7) # Te4[rk[5]>>24]
x %r1,256(%r3,%r12) # rcon[i]
xr %r8,%r1 # rk[6]=rk[0]^...
xr %r9,%r8 # rk[7]=rk[1]^rk[6]
xr %r10,%r9 # rk[8]=rk[2]^rk[7]
xr %r11,%r10 # rk[9]=rk[3]^rk[8]
st %r8,24(%r4)
st %r9,28(%r4)
st %r10,32(%r4)
st %r11,36(%r4)
brct %r13,.L192_continue
lghi %r0,12
lghi %r2,0
lm %r4,%r13,4*4(%r15)
br %r14
.align 16
.L192_continue:
lgr %r1,%r11
x %r1,16(%r4) # rk[10]=rk[4]^rk[9]
st %r1,40(%r4)
x %r1,20(%r4) # rk[11]=rk[5]^rk[10]
st %r1,44(%r4)
srlg %r5,%r1,8
srlg %r6,%r1,16
srlg %r7,%r1,24
nr %r1,%r0
nr %r5,%r0
nr %r6,%r0
la %r4,24(%r4) # key+=6
la %r3,4(%r3) # i++
j .L192_loop
.align 16
.Lnot192:
llgf %r0,24(%r2)
llgf %r1,28(%r2)
st %r0,24(%r4)
st %r1,28(%r4)
llill %r0,0xff
lghi %r3,0 # i=0
lghi %r13,14
st %r13,240(%r4)
lghi %r13,7
srlg %r5,%r1,8
srlg %r6,%r1,16
srlg %r7,%r1,24
nr %r1,%r0
nr %r5,%r0
nr %r6,%r0
.align 16
.L256_loop:
la %r1,0(%r1,%r12)
la %r5,0(%r5,%r12)
la %r6,0(%r6,%r12)
la %r7,0(%r7,%r12)
icm %r1,2,0(%r1) # Te4[rk[7]>>0]<<8
icm %r1,4,0(%r5) # Te4[rk[7]>>8]<<16
icm %r1,8,0(%r6) # Te4[rk[7]>>16]<<24
icm %r1,1,0(%r7) # Te4[rk[7]>>24]
x %r1,256(%r3,%r12) # rcon[i]
xr %r8,%r1 # rk[8]=rk[0]^...
xr %r9,%r8 # rk[9]=rk[1]^rk[8]
xr %r10,%r9 # rk[10]=rk[2]^rk[9]
xr %r11,%r10 # rk[11]=rk[3]^rk[10]
st %r8,32(%r4)
st %r9,36(%r4)
st %r10,40(%r4)
st %r11,44(%r4)
brct %r13,.L256_continue
lghi %r0,14
lghi %r2,0
lm %r4,%r13,4*4(%r15)
br %r14
.align 16
.L256_continue:
lgr %r1,%r11 # temp=rk[11]
srlg %r5,%r11,8
srlg %r6,%r11,16
srlg %r7,%r11,24
nr %r1,%r0
nr %r5,%r0
nr %r6,%r0
la %r1,0(%r1,%r12)
la %r5,0(%r5,%r12)
la %r6,0(%r6,%r12)
la %r7,0(%r7,%r12)
llgc %r1,0(%r1) # Te4[rk[11]>>0]
icm %r1,2,0(%r5) # Te4[rk[11]>>8]<<8
icm %r1,4,0(%r6) # Te4[rk[11]>>16]<<16
icm %r1,8,0(%r7) # Te4[rk[11]>>24]<<24
x %r1,16(%r4) # rk[12]=rk[4]^...
st %r1,48(%r4)
x %r1,20(%r4) # rk[13]=rk[5]^rk[12]
st %r1,52(%r4)
x %r1,24(%r4) # rk[14]=rk[6]^rk[13]
st %r1,56(%r4)
x %r1,28(%r4) # rk[15]=rk[7]^rk[14]
st %r1,60(%r4)
srlg %r5,%r1,8
srlg %r6,%r1,16
srlg %r7,%r1,24
nr %r1,%r0
nr %r5,%r0
nr %r6,%r0
la %r4,32(%r4) # key+=8
la %r3,4(%r3) # i++
j .L256_loop
.Lminus1:
lghi %r2,-1
br %r14
.size AES_set_encrypt_key,.-AES_set_encrypt_key
# void AES_set_decrypt_key(const unsigned char *in, int bits,
# AES_KEY *key) {
.globl AES_set_decrypt_key
.type AES_set_decrypt_key,@function
.align 16
AES_set_decrypt_key:
#st %r4,4*4(%r15) # I rely on AES_set_encrypt_key to
st %r14,14*4(%r15) # save non-volatile registers and %r4!
bras %r14,_s390x_AES_set_encrypt_key
#l %r4,4*4(%r15)
l %r14,14*4(%r15)
ltgr %r2,%r2
bnzr %r14
#l %r0,240(%r4)
lhi %r1,16
cr %r0,%r1
jl .Lgo
oill %r0,S390X_DECRYPT # set "decrypt" bit
st %r0,240(%r4)
br %r14
.align 16
.Lgo: lgr %r13,%r0 #llgf %r13,240(%r4)
la %r5,0(%r4)
sllg %r6,%r13,4
la %r6,0(%r6,%r4)
srl %r13,1
lghi %r1,-16
.align 16
.Linv: lmg %r8,%r9,0(%r5)
lmg %r10,%r11,0(%r6)
stmg %r8,%r9,0(%r6)
stmg %r10,%r11,0(%r5)
la %r5,16(%r5)
la %r6,0(%r1,%r6)
brct %r13,.Linv
llgf %r13,240(%r4)
aghi %r13,-1
sll %r13,2 # (rounds-1)*4
llilh %r5,0x8080
llilh %r6,0x1b1b
llilh %r7,0xfefe
oill %r5,0x8080
oill %r6,0x1b1b
oill %r7,0xfefe
.align 16
.Lmix: l %r8,16(%r4) # tp1
lr %r9,%r8
ngr %r9,%r5
srlg %r1,%r9,7
slr %r9,%r1
nr %r9,%r6
sllg %r1,%r8,1
nr %r1,%r7
xr %r9,%r1 # tp2
lr %r10,%r9
ngr %r10,%r5
srlg %r1,%r10,7
slr %r10,%r1
nr %r10,%r6
sllg %r1,%r9,1
nr %r1,%r7
xr %r10,%r1 # tp4
lr %r11,%r10
ngr %r11,%r5
srlg %r1,%r11,7
slr %r11,%r1
nr %r11,%r6
sllg %r1,%r10,1
nr %r1,%r7
xr %r11,%r1 # tp8
xr %r9,%r8 # tp2^tp1
xr %r10,%r8 # tp4^tp1
rll %r8,%r8,24 # = ROTATE(tp1,8)
xr %r10,%r11 # ^=tp8
xr %r8,%r9 # ^=tp2^tp1
xr %r9,%r11 # tp2^tp1^tp8
xr %r8,%r10 # ^=tp4^tp1^tp8
rll %r9,%r9,8
rll %r10,%r10,16
xr %r8,%r9 # ^= ROTATE(tp8^tp2^tp1,24)
rll %r11,%r11,24
xr %r8,%r10 # ^= ROTATE(tp8^tp4^tp1,16)
xr %r8,%r11 # ^= ROTATE(tp8,8)
st %r8,16(%r4)
la %r4,4(%r4)
brct %r13,.Lmix
lm %r6,%r13,6*4(%r15)# as was saved by AES_set_encrypt_key!
lghi %r2,0
br %r14
.size AES_set_decrypt_key,.-AES_set_decrypt_key
.globl AES_cbc_encrypt
.type AES_cbc_encrypt,@function
.align 16
AES_cbc_encrypt:
xgr %r3,%r4 # flip %r3 and %r4, out and len
xgr %r4,%r3
xgr %r3,%r4
lhi %r0,16
cl %r0,240(%r5)
jh .Lcbc_software
lg %r0,0(%r6) # copy ivec
lg %r1,8(%r6)
stmg %r0,%r1,16(%r15)
lmg %r0,%r1,0(%r5) # copy key, cover 256 bit
stmg %r0,%r1,32(%r15)
lmg %r0,%r1,16(%r5)
stmg %r0,%r1,48(%r15)
l %r0,240(%r5) # load kmc code
lghi %r5,15 # res=len%16, len-=res;
ngr %r5,%r3
slr %r3,%r5
la %r1,16(%r15) # parameter block - ivec || key
jz .Lkmc_truncated
.long 0xb92f0042 # kmc %r4,%r2
brc 1,.-4 # pay attention to "partial completion"
ltr %r5,%r5
jnz .Lkmc_truncated
.Lkmc_done:
lmg %r0,%r1,16(%r15) # copy ivec to caller
stg %r0,0(%r6)
stg %r1,8(%r6)
br %r14
.align 16
.Lkmc_truncated:
ahi %r5,-1 # it's the way it's encoded in mvc
tmll %r0,S390X_DECRYPT
jnz .Lkmc_truncated_dec
lghi %r1,0
stg %r1,16*4(%r15)
stg %r1,16*4+8(%r15)
bras %r1,1f
mvc 16*4(1,%r15),0(%r2)
1: ex %r5,0(%r1)
la %r1,16(%r15) # restore parameter block
la %r2,16*4(%r15)
lghi %r3,16
.long 0xb92f0042 # kmc %r4,%r2
j .Lkmc_done
.align 16
.Lkmc_truncated_dec:
st %r4,4*4(%r15)
la %r4,16*4(%r15)
lghi %r3,16
.long 0xb92f0042 # kmc %r4,%r2
l %r4,4*4(%r15)
bras %r1,2f
mvc 0(1,%r4),16*4(%r15)
2: ex %r5,0(%r1)
j .Lkmc_done
.align 16
.Lcbc_software:
stm %r5,%r14,5*4(%r15)
lhi %r0,0
cl %r0,96(%r15)
je .Lcbc_decrypt
larl %r12,AES_Te
llgf %r8,0(%r6)
llgf %r9,4(%r6)
llgf %r10,8(%r6)
llgf %r11,12(%r6)
lghi %r0,16
slr %r3,%r0
brc 4,.Lcbc_enc_tail # if borrow
.Lcbc_enc_loop:
stm %r2,%r4,2*4(%r15)
x %r8,0(%r2)
x %r9,4(%r2)
x %r10,8(%r2)
x %r11,12(%r2)
lgr %r4,%r5
bras %r14,_s390x_AES_encrypt
lm %r2,%r5,2*4(%r15)
st %r8,0(%r4)
st %r9,4(%r4)
st %r10,8(%r4)
st %r11,12(%r4)
la %r2,16(%r2)
la %r4,16(%r4)
lghi %r0,16
ltr %r3,%r3
jz .Lcbc_enc_done
slr %r3,%r0
brc 4,.Lcbc_enc_tail # if borrow
j .Lcbc_enc_loop
.align 16
.Lcbc_enc_done:
l %r6,6*4(%r15)
st %r8,0(%r6)
st %r9,4(%r6)
st %r10,8(%r6)
st %r11,12(%r6)
lm %r7,%r14,7*4(%r15)
br %r14
.align 16
.Lcbc_enc_tail:
aghi %r3,15
lghi %r0,0
stg %r0,16*4(%r15)
stg %r0,16*4+8(%r15)
bras %r1,3f
mvc 16*4(1,%r15),0(%r2)
3: ex %r3,0(%r1)
lghi %r3,0
la %r2,16*4(%r15)
j .Lcbc_enc_loop
.align 16
.Lcbc_decrypt:
larl %r12,AES_Td
lg %r0,0(%r6)
lg %r1,8(%r6)
stmg %r0,%r1,16*4(%r15)
.Lcbc_dec_loop:
stm %r2,%r4,2*4(%r15)
llgf %r8,0(%r2)
llgf %r9,4(%r2)
llgf %r10,8(%r2)
llgf %r11,12(%r2)
lgr %r4,%r5
bras %r14,_s390x_AES_decrypt
lm %r2,%r5,2*4(%r15)
sllg %r8,%r8,32
sllg %r10,%r10,32
lr %r8,%r9
lr %r10,%r11
lg %r0,0(%r2)
lg %r1,8(%r2)
xg %r8,16*4(%r15)
xg %r10,16*4+8(%r15)
lghi %r9,16
slr %r3,%r9
brc 4,.Lcbc_dec_tail # if borrow
brc 2,.Lcbc_dec_done # if zero
stg %r8,0(%r4)
stg %r10,8(%r4)
stmg %r0,%r1,16*4(%r15)
la %r2,16(%r2)
la %r4,16(%r4)
j .Lcbc_dec_loop
.Lcbc_dec_done:
stg %r8,0(%r4)
stg %r10,8(%r4)
.Lcbc_dec_exit:
lm %r6,%r14,6*4(%r15)
stmg %r0,%r1,0(%r6)
br %r14
.align 16
.Lcbc_dec_tail:
aghi %r3,15
stg %r8,16*4(%r15)
stg %r10,16*4+8(%r15)
bras %r9,4f
mvc 0(1,%r4),16*4(%r15)
4: ex %r3,0(%r9)
j .Lcbc_dec_exit
.size AES_cbc_encrypt,.-AES_cbc_encrypt
.globl AES_ctr32_encrypt
.type AES_ctr32_encrypt,@function
.align 16
AES_ctr32_encrypt:
xgr %r3,%r4 # flip %r3 and %r4, %r4 and %r3
xgr %r4,%r3
xgr %r3,%r4
llgfr %r3,%r3 # safe in ctr32 subroutine even in 64-bit case
l %r0,240(%r5)
lhi %r1,16
clr %r0,%r1
jl .Lctr32_software
st %r10,10*4(%r15)
st %r11,11*4(%r15)
clr %r3,%r1 # does work even in 64-bit mode
jle .Lctr32_nokma # kma is slower for <= 16 blocks
larl %r1,OPENSSL_s390xcap_P
lr %r10,%r0
llihh %r11,0x8000
srlg %r11,%r11,0(%r10)
ng %r11,S390X_KMA(%r1) # check kma capability vector
jz .Lctr32_nokma
lhi %r1,-96-112
lr %r11,%r15
la %r15,0(%r1,%r15) # prepare parameter block
lhi %r1,0x0600
sllg %r3,%r3,4
or %r0,%r1 # set HS and LAAD flags
st %r11,0(%r15) # backchain
la %r1,96(%r15)
lmg %r10,%r11,0(%r5) # copy key
stg %r10,96+80(%r15)
stg %r11,96+88(%r15)
lmg %r10,%r11,16(%r5)
stg %r10,96+96(%r15)
stg %r11,96+104(%r15)
lmg %r10,%r11,0(%r6) # copy iv
stg %r10,96+64(%r15)
ahi %r11,-1 # kma requires counter-1
stg %r11,96+72(%r15)
st %r11,96+12(%r15) # copy counter
lghi %r10,0 # no AAD
lghi %r11,0
.long 0xb929a042 # kma %r4,%r10,%r2
brc 1,.-4 # pay attention to "partial completion"
stg %r0,96+80(%r15) # wipe key
stg %r0,96+88(%r15)
stg %r0,96+96(%r15)
stg %r0,96+104(%r15)
la %r15,96+112(%r15)
lm %r10,%r11,10*4(%r15)
br %r14
.align 16
.Lctr32_nokma:
stm %r6,%r9,6*4(%r15)
slgr %r4,%r2
la %r1,0(%r5) # %r1 is permanent copy of %r5
lg %r5,0(%r6) # load ivec
lg %r6,8(%r6)
# prepare and allocate stack frame at the top of 4K page
# with 1K reserved for eventual signal handling
lghi %r8,-1024-256-16# guarantee at least 256-bytes buffer
lghi %r9,-4096
algr %r8,%r15
lgr %r7,%r15
ngr %r8,%r9 # align at page boundary
slgr %r7,%r8 # total buffer size
lgr %r10,%r15
lghi %r9,1024+16 # sl[g]fi is extended-immediate facility
slgr %r7,%r9 # deduct reservation to get usable buffer size
# buffer size is at lest 256 and at most 3072+256-16
la %r15,1024(%r8) # alloca
srlg %r7,%r7,4 # convert bytes to blocks, minimum 16
st %r10,0(%r15) # back-chain
st %r7,4(%r15)
slgr %r3,%r7
brc 1,.Lctr32_hw_switch # not zero, no borrow
algr %r7,%r3 # input is shorter than allocated buffer
lghi %r3,0
st %r7,4(%r15)
.Lctr32_hw_switch:
.Lctr32_km_loop:
la %r10,16(%r15)
lgr %r11,%r7
.Lctr32_km_prepare:
stg %r5,0(%r10)
stg %r6,8(%r10)
la %r10,16(%r10)
ahi %r6,1 # 32-bit increment, preserves upper half
brct %r11,.Lctr32_km_prepare
la %r8,16(%r15) # inp
sllg %r9,%r7,4 # len
la %r10,16(%r15) # out
.long 0xb92e00a8 # km %r10,%r8
brc 1,.-4 # pay attention to "partial completion"
la %r10,16(%r15)
lgr %r11,%r7
slgr %r10,%r2
.Lctr32_km_xor:
lg %r8,0(%r2)
lg %r9,8(%r2)
xg %r8,0(%r10,%r2)
xg %r9,8(%r10,%r2)
stg %r8,0(%r4,%r2)
stg %r9,8(%r4,%r2)
la %r2,16(%r2)
brct %r11,.Lctr32_km_xor
slgr %r3,%r7
brc 1,.Lctr32_km_loop # not zero, no borrow
algr %r7,%r3
lghi %r3,0
brc 4+1,.Lctr32_km_loop # not zero
l %r8,0(%r15)
l %r9,4(%r15)
la %r10,16(%r15)
.Lctr32_km_zap:
stg %r8,0(%r10)
stg %r8,8(%r10)
la %r10,16(%r10)
brct %r9,.Lctr32_km_zap
la %r15,0(%r8)
lm %r6,%r11,6*4(%r15)
br %r14
.align 16
.Lctr32_software:
stm %r5,%r14,5*4(%r15)
slr %r2,%r4
larl %r12,AES_Te
llgf %r1,12(%r6)
.Lctr32_loop:
stm %r2,%r4,2*4(%r15)
llgf %r8,0(%r6)
llgf %r9,4(%r6)
llgf %r10,8(%r6)
lgr %r11,%r1
st %r1,16*4(%r15)
lgr %r4,%r5
bras %r14,_s390x_AES_encrypt
lm %r2,%r6,2*4(%r15)
llgf %r1,16*4(%r15)
x %r8,0(%r2,%r4)
x %r9,4(%r2,%r4)
x %r10,8(%r2,%r4)
x %r11,12(%r2,%r4)
stm %r8,%r11,0(%r4)
la %r4,16(%r4)
ahi %r1,1 # 32-bit increment
brct %r3,.Lctr32_loop
lm %r6,%r14,6*4(%r15)
br %r14
.size AES_ctr32_encrypt,.-AES_ctr32_encrypt
.type _s390x_xts_km,@function
.align 16
_s390x_xts_km:
llgfr %r8,%r0 # put aside the function code
lghi %r9,0x7f
nr %r9,%r0
larl %r1,OPENSSL_s390xcap_P
llihh %r0,0x8000
srlg %r0,%r0,32(%r9) # check for 32+function code
ng %r0,S390X_KM(%r1) # check km capability vector
lgr %r0,%r8 # restore the function code
la %r1,0(%r5) # restore %r5
jz .Lxts_km_vanilla
lmg %r6,%r7,80(%r15) # put aside the tweak value
algr %r4,%r2
oill %r0,32 # switch to xts function code
aghi %r9,-18 #
sllg %r9,%r9,3 # (function code - 18)*8, 0 or 16
la %r1,80-16(%r15)
slgr %r1,%r9 # parameter block position
lmg %r8,%r11,0(%r5) # load 256 bits of key material,
stmg %r8,%r11,0(%r1) # and copy it to parameter block.
# yes, it contains junk and overlaps
# with the tweak in 128-bit case.
# it's done to avoid conditional
# branch.
stmg %r6,%r7,80(%r15) # "re-seat" the tweak value
.long 0xb92e0042 # km %r4,%r2
brc 1,.-4 # pay attention to "partial completion"
lrvg %r8,80+0(%r15) # load the last tweak
lrvg %r9,80+8(%r15)
stmg %r0,%r3,80-32(%r15) # wipe copy of the key
nill %r0,0xffdf # switch back to original function code
la %r1,0(%r5) # restore pointer to %r5
slgr %r4,%r2
llgc %r3,2*4-1(%r15)
nill %r3,0x0f # %r3%=16
br %r14
.align 16
.Lxts_km_vanilla:
# prepare and allocate stack frame at the top of 4K page
# with 1K reserved for eventual signal handling
lghi %r8,-1024-256-16# guarantee at least 256-bytes buffer
lghi %r9,-4096
algr %r8,%r15
lgr %r7,%r15
ngr %r8,%r9 # align at page boundary
slgr %r7,%r8 # total buffer size
lgr %r10,%r15
lghi %r9,1024+16 # sl[g]fi is extended-immediate facility
slgr %r7,%r9 # deduct reservation to get usable buffer size
# buffer size is at lest 256 and at most 3072+256-16
la %r15,1024(%r8) # alloca
nill %r7,0xfff0 # round to 16*n
st %r10,0(%r15) # back-chain
nill %r3,0xfff0 # redundant
st %r7,4(%r15)
slgr %r3,%r7
brc 1,.Lxts_km_go # not zero, no borrow
algr %r7,%r3 # input is shorter than allocated buffer
lghi %r3,0
st %r7,4(%r15)
.Lxts_km_go:
lrvg %r8,80+0(%r10) # load the tweak value in little-endian
lrvg %r9,80+8(%r10)
la %r10,16(%r15) # vector of ascending tweak values
slgr %r10,%r2
srlg %r11,%r7,4
j .Lxts_km_start
.Lxts_km_loop:
la %r10,16(%r15)
slgr %r10,%r2
srlg %r11,%r7,4
.Lxts_km_prepare:
lghi %r5,0x87
srag %r6,%r9,63 # broadcast upper bit
ngr %r5,%r6 # rem
algr %r8,%r8
alcgr %r9,%r9
xgr %r8,%r5
.Lxts_km_start:
lrvgr %r5,%r8 # flip byte order
lrvgr %r6,%r9
stg %r5,0(%r10,%r2)
stg %r6,8(%r10,%r2)
xg %r5,0(%r2)
xg %r6,8(%r2)
stg %r5,0(%r4,%r2)
stg %r6,8(%r4,%r2)
la %r2,16(%r2)
brct %r11,.Lxts_km_prepare
slgr %r2,%r7 # rewind %r2
la %r10,0(%r4,%r2)
lgr %r11,%r7
.long 0xb92e00aa # km %r10,%r10
brc 1,.-4 # pay attention to "partial completion"
la %r10,16(%r15)
slgr %r10,%r2
srlg %r11,%r7,4
.Lxts_km_xor:
lg %r5,0(%r4,%r2)
lg %r6,8(%r4,%r2)
xg %r5,0(%r10,%r2)
xg %r6,8(%r10,%r2)
stg %r5,0(%r4,%r2)
stg %r6,8(%r4,%r2)
la %r2,16(%r2)
brct %r11,.Lxts_km_xor
slgr %r3,%r7
brc 1,.Lxts_km_loop # not zero, no borrow
algr %r7,%r3
lghi %r3,0
brc 4+1,.Lxts_km_loop # not zero
l %r5,0(%r15) # back-chain
llgf %r7,4(%r15) # bytes used
la %r6,16(%r15)
srlg %r7,%r7,4
.Lxts_km_zap:
stg %r5,0(%r6)
stg %r5,8(%r6)
la %r6,16(%r6)
brct %r7,.Lxts_km_zap
la %r15,0(%r5)
llgc %r3,2*4-1(%r5)
nill %r3,0x0f # %r3%=16
bzr %r14
# generate one more tweak...
lghi %r5,0x87
srag %r6,%r9,63 # broadcast upper bit
ngr %r5,%r6 # rem
algr %r8,%r8
alcgr %r9,%r9
xgr %r8,%r5
ltr %r3,%r3 # clear zero flag
br %r14
.size _s390x_xts_km,.-_s390x_xts_km
.globl AES_xts_encrypt
.type AES_xts_encrypt,@function
.align 16
AES_xts_encrypt:
xgr %r3,%r4 # flip %r3 and %r4, %r4 and %r3
xgr %r4,%r3
xgr %r3,%r4
llgfr %r3,%r3
st %r3,1*4(%r15) # save copy of %r3
srag %r3,%r3,4 # formally wrong, because it expands
# sign byte, but who can afford asking
# to process more than 2^63-1 bytes?
# I use it, because it sets condition
# code...
bcr 8,%r14 # abort if zero (i.e. less than 16)
llgf %r0,240(%r6)
lhi %r1,16
clr %r0,%r1
jl .Lxts_enc_software
st %r14,5*4(%r15)
stm %r6,%r11,6*4(%r15)
sllg %r3,%r3,4 # %r3&=~15
slgr %r4,%r2
# generate the tweak value
l %r11,96(%r15) # pointer to iv
la %r10,80(%r15)
lmg %r8,%r9,0(%r11)
lghi %r11,16
stmg %r8,%r9,0(%r10)
la %r1,0(%r6) # %r6 is not needed anymore
.long 0xb92e00aa # km %r10,%r10, generate the tweak
brc 1,.-4 # can this happen?
l %r0,240(%r5)
la %r1,0(%r5) # %r5 is not needed anymore
bras %r14,_s390x_xts_km
jz .Lxts_enc_km_done
aghi %r2,-16 # take one step back
la %r7,0(%r4,%r2) # put aside real %r4
.Lxts_enc_km_steal:
llgc %r5,16(%r2)
llgc %r6,0(%r4,%r2)
stc %r5,0(%r4,%r2)
stc %r6,16(%r4,%r2)
la %r2,1(%r2)
brct %r3,.Lxts_enc_km_steal
la %r10,0(%r7)
lghi %r11,16
lrvgr %r5,%r8 # flip byte order
lrvgr %r6,%r9
xg %r5,0(%r10)
xg %r6,8(%r10)
stg %r5,0(%r10)
stg %r6,8(%r10)
.long 0xb92e00aa # km %r10,%r10
brc 1,.-4 # can this happen?
lrvgr %r5,%r8 # flip byte order
lrvgr %r6,%r9
xg %r5,0(%r7)
xg %r6,8(%r7)
stg %r5,0(%r7)
stg %r6,8(%r7)
.Lxts_enc_km_done:
stg %r15,80+0(%r15) # wipe tweak
stg %r15,80+8(%r15)
l %r14,5*4(%r15)
lm %r6,%r11,6*4(%r15)
br %r14
.align 16
.Lxts_enc_software:
stm %r6,%r14,6*4(%r15)
slgr %r4,%r2
l %r11,96(%r15) # ivp
llgf %r8,0(%r11) # load iv
llgf %r9,4(%r11)
llgf %r10,8(%r11)
llgf %r11,12(%r11)
stm %r2,%r5,2*4(%r15)
la %r4,0(%r6)
larl %r12,AES_Te
bras %r14,_s390x_AES_encrypt # generate the tweak
lm %r2,%r5,2*4(%r15)
stm %r8,%r11,80(%r15) # save the tweak
j .Lxts_enc_enter
.align 16
.Lxts_enc_loop:
lrvg %r9,80+0(%r15) # load the tweak in little-endian
lrvg %r11,80+8(%r15)
lghi %r1,0x87
srag %r0,%r11,63 # broadcast upper bit
ngr %r1,%r0 # rem
algr %r9,%r9
alcgr %r11,%r11
xgr %r9,%r1
lrvgr %r9,%r9 # flip byte order
lrvgr %r11,%r11
srlg %r8,%r9,32 # smash the tweak to 4x32-bits
stg %r9,80+0(%r15) # save the tweak
llgfr %r9,%r9
srlg %r10,%r11,32
stg %r11,80+8(%r15)
llgfr %r11,%r11
la %r2,16(%r2) # %r2+=16
.Lxts_enc_enter:
x %r8,0(%r2) # ^=*(%r2)
x %r9,4(%r2)
x %r10,8(%r2)
x %r11,12(%r2)
stm %r2,%r3,2*4(%r15) # only two registers are changing
la %r4,0(%r5)
bras %r14,_s390x_AES_encrypt
lm %r2,%r5,2*4(%r15)
x %r8,80+0(%r15) # ^=tweak
x %r9,80+4(%r15)
x %r10,80+8(%r15)
x %r11,80+12(%r15)
st %r8,0(%r4,%r2)
st %r9,4(%r4,%r2)
st %r10,8(%r4,%r2)
st %r11,12(%r4,%r2)
brct %r3,.Lxts_enc_loop
llgc %r3,7(%r15)
nill %r3,0x0f # %r3%16
jz .Lxts_enc_done
la %r7,0(%r2,%r4) # put aside real %r4
.Lxts_enc_steal:
llgc %r0,16(%r2)
llgc %r1,0(%r4,%r2)
stc %r0,0(%r4,%r2)
stc %r1,16(%r4,%r2)
la %r2,1(%r2)
brct %r3,.Lxts_enc_steal
la %r4,0(%r7) # restore real %r4
# generate last tweak...
lrvg %r9,80+0(%r15) # load the tweak in little-endian
lrvg %r11,80+8(%r15)
lghi %r1,0x87
srag %r0,%r11,63 # broadcast upper bit
ngr %r1,%r0 # rem
algr %r9,%r9
alcgr %r11,%r11
xgr %r9,%r1
lrvgr %r9,%r9 # flip byte order
lrvgr %r11,%r11
srlg %r8,%r9,32 # smash the tweak to 4x32-bits
stg %r9,80+0(%r15) # save the tweak
llgfr %r9,%r9
srlg %r10,%r11,32
stg %r11,80+8(%r15)
llgfr %r11,%r11
x %r8,0(%r4) # ^=*(inp)|stolen cipther-text
x %r9,4(%r4)
x %r10,8(%r4)
x %r11,12(%r4)
st %r4,4*4(%r15)
la %r4,0(%r5)
bras %r14,_s390x_AES_encrypt
l %r4,4*4(%r15)
x %r8,80(%r15) # ^=tweak
x %r9,84(%r15)
x %r10,88(%r15)
x %r11,92(%r15)
st %r8,0(%r4)
st %r9,4(%r4)
st %r10,8(%r4)
st %r11,12(%r4)
.Lxts_enc_done:
stg %r15,80+0(%r15) # wipe tweak
stg %r15,+8(%r15)
lm %r6,%r14,6*4(%r15)
br %r14
.size AES_xts_encrypt,.-AES_xts_encrypt
.globl AES_xts_decrypt
.type AES_xts_decrypt,@function
.align 16
AES_xts_decrypt:
xgr %r3,%r4 # flip %r3 and %r4, %r4 and %r3
xgr %r4,%r3
xgr %r3,%r4
llgfr %r3,%r3
st %r3,1*4(%r15) # save copy of %r3
aghi %r3,-16
bcr 4,%r14 # abort if less than zero. formally
# wrong, because %r3 is unsigned,
# but who can afford asking to
# process more than 2^63-1 bytes?
tmll %r3,0x0f
jnz .Lxts_dec_proceed
aghi %r3,16
.Lxts_dec_proceed:
llgf %r0,240(%r6)
lhi %r1,16
clr %r0,%r1
jl .Lxts_dec_software
st %r14,5*4(%r15)
stm %r6,%r11,6*4(%r15)
nill %r3,0xfff0 # %r3&=~15
slgr %r4,%r2
# generate the tweak value
l %r11,96(%r15) # pointer to iv
la %r10,80(%r15)
lmg %r8,%r9,0(%r11)
lghi %r11,16
stmg %r8,%r9,0(%r10)
la %r1,0(%r6) # %r6 is not needed past this point
.long 0xb92e00aa # km %r10,%r10, generate the tweak
brc 1,.-4 # can this happen?
l %r0,240(%r5)
la %r1,0(%r5) # %r5 is not needed anymore
ltgr %r3,%r3
jz .Lxts_dec_km_short
bras %r14,_s390x_xts_km
jz .Lxts_dec_km_done
lrvgr %r10,%r8 # make copy in reverse byte order
lrvgr %r11,%r9
j .Lxts_dec_km_2ndtweak
.Lxts_dec_km_short:
llgc %r3,7(%r15)
nill %r3,0x0f # %r3%=16
lrvg %r8,80+0(%r15) # load the tweak
lrvg %r9,80+8(%r15)
lrvgr %r10,%r8 # make copy in reverse byte order
lrvgr %r11,%r9
.Lxts_dec_km_2ndtweak:
lghi %r5,0x87
srag %r6,%r9,63 # broadcast upper bit
ngr %r5,%r6 # rem
algr %r8,%r8
alcgr %r9,%r9
xgr %r8,%r5
lrvgr %r5,%r8 # flip byte order
lrvgr %r6,%r9
xg %r5,0(%r2)
xg %r6,8(%r2)
stg %r5,0(%r4,%r2)
stg %r6,8(%r4,%r2)
la %r6,0(%r4,%r2)
lghi %r7,16
.long 0xb92e0066 # km %r6,%r6
brc 1,.-4 # can this happen?
lrvgr %r5,%r8
lrvgr %r6,%r9
xg %r5,0(%r4,%r2)
xg %r6,8(%r4,%r2)
stg %r5,0(%r4,%r2)
stg %r6,8(%r4,%r2)
la %r7,0(%r4,%r2) # put aside real %r4
.Lxts_dec_km_steal:
llgc %r5,16(%r2)
llgc %r6,0(%r4,%r2)
stc %r5,0(%r4,%r2)
stc %r6,16(%r4,%r2)
la %r2,1(%r2)
brct %r3,.Lxts_dec_km_steal
lgr %r8,%r10
lgr %r9,%r11
xg %r8,0(%r7)
xg %r9,8(%r7)
stg %r8,0(%r7)
stg %r9,8(%r7)
la %r8,0(%r7)
lghi %r9,16
.long 0xb92e0088 # km %r8,%r8
brc 1,.-4 # can this happen?
xg %r10,0(%r7)
xg %r11,8(%r7)
stg %r10,0(%r7)
stg %r11,8(%r7)
.Lxts_dec_km_done:
stg %r15,80+0(%r15) # wipe tweak
stg %r15,80+8(%r15)
l %r14,5*4(%r15)
lm %r6,%r11,6*4(%r15)
br %r14
.align 16
.Lxts_dec_software:
stm %r6,%r14,6*4(%r15)
srlg %r3,%r3,4
slgr %r4,%r2
l %r11,96(%r15) # ivp
llgf %r8,0(%r11) # load iv
llgf %r9,4(%r11)
llgf %r10,8(%r11)
llgf %r11,12(%r11)
stm %r2,%r5,2*4(%r15)
la %r4,0(%r6)
larl %r12,AES_Te
bras %r14,_s390x_AES_encrypt # generate the tweak
lm %r2,%r5,2*4(%r15)
larl %r12,AES_Td
ltr %r3,%r3
stm %r8,%r11,80(%r15) # save the tweak
jz .Lxts_dec_short
j .Lxts_dec_enter
.align 16
.Lxts_dec_loop:
lrvg %r9,80+0(%r15) # load the tweak in little-endian
lrvg %r11,80+8(%r15)
lghi %r1,0x87
srag %r0,%r11,63 # broadcast upper bit
ngr %r1,%r0 # rem
algr %r9,%r9
alcgr %r11,%r11
xgr %r9,%r1
lrvgr %r9,%r9 # flip byte order
lrvgr %r11,%r11
srlg %r8,%r9,32 # smash the tweak to 4x32-bits
stg %r9,80+0(%r15) # save the tweak
llgfr %r9,%r9
srlg %r10,%r11,32
stg %r11,80+8(%r15)
llgfr %r11,%r11
.Lxts_dec_enter:
x %r8,0(%r2) # tweak^=*(inp)
x %r9,4(%r2)
x %r10,8(%r2)
x %r11,12(%r2)
stm %r2,%r3,2*4(%r15) # only two registers are changing
la %r4,0(%r5)
bras %r14,_s390x_AES_decrypt
lm %r2,%r5,2*4(%r15)
x %r8,80+0(%r15) # ^=tweak
x %r9,80+4(%r15)
x %r10,80+8(%r15)
x %r11,80+12(%r15)
st %r8,0(%r4,%r2)
st %r9,4(%r4,%r2)
st %r10,8(%r4,%r2)
st %r11,12(%r4,%r2)
la %r2,16(%r2)
brct %r3,.Lxts_dec_loop
llgc %r3,7(%r15)
nill %r3,0x0f # %r3%16
jz .Lxts_dec_done
# generate pair of tweaks...
lrvg %r9,80+0(%r15) # load the tweak in little-endian
lrvg %r11,80+8(%r15)
lghi %r1,0x87
srag %r0,%r11,63 # broadcast upper bit
ngr %r1,%r0 # rem
algr %r9,%r9
alcgr %r11,%r11
xgr %r9,%r1
lrvgr %r6,%r9 # flip byte order
lrvgr %r7,%r11
stmg %r6,%r7,80(%r15) # save the 1st tweak
j .Lxts_dec_2ndtweak
.align 16
.Lxts_dec_short:
llgc %r3,7(%r15)
nill %r3,0x0f # %r3%16
lrvg %r9,80+0(%r15) # load the tweak in little-endian
lrvg %r11,80+8(%r15)
.Lxts_dec_2ndtweak:
lghi %r1,0x87
srag %r0,%r11,63 # broadcast upper bit
ngr %r1,%r0 # rem
algr %r9,%r9
alcgr %r11,%r11
xgr %r9,%r1
lrvgr %r9,%r9 # flip byte order
lrvgr %r11,%r11
srlg %r8,%r9,32 # smash the tweak to 4x32-bits
stg %r9,80-16+0(%r15) # save the 2nd tweak
llgfr %r9,%r9
srlg %r10,%r11,32
stg %r11,80-16+8(%r15)
llgfr %r11,%r11
x %r8,0(%r2) # tweak_the_2nd^=*(inp)
x %r9,4(%r2)
x %r10,8(%r2)
x %r11,12(%r2)
stm %r2,%r3,2*4(%r15)
la %r4,0(%r5)
bras %r14,_s390x_AES_decrypt
lm %r2,%r5,2*4(%r15)
x %r8,80-16+0(%r15) # ^=tweak_the_2nd
x %r9,80-16+4(%r15)
x %r10,80-16+8(%r15)
x %r11,80-16+12(%r15)
st %r8,0(%r4,%r2)
st %r9,4(%r4,%r2)
st %r10,8(%r4,%r2)
st %r11,12(%r4,%r2)
la %r7,0(%r4,%r2) # put aside real %r4
.Lxts_dec_steal:
llgc %r0,16(%r2)
llgc %r1,0(%r4,%r2)
stc %r0,0(%r4,%r2)
stc %r1,16(%r4,%r2)
la %r2,1(%r2)
brct %r3,.Lxts_dec_steal
la %r4,0(%r7) # restore real %r4
lm %r8,%r11,80(%r15) # load the 1st tweak
x %r8,0(%r4) # tweak^=*(inp)|stolen cipher-text
x %r9,4(%r4)
x %r10,8(%r4)
x %r11,12(%r4)
st %r4,4*4(%r15)
la %r4,0(%r5)
bras %r14,_s390x_AES_decrypt
l %r4,4*4(%r15)
x %r8,80+0(%r15) # ^=tweak
x %r9,80+4(%r15)
x %r10,80+8(%r15)
x %r11,80+12(%r15)
st %r8,0(%r4)
st %r9,4(%r4)
st %r10,8(%r4)
st %r11,12(%r4)
stg %r15,80-16+0(%r15) # wipe 2nd tweak
stg %r15,80-16+8(%r15)
.Lxts_dec_done:
stg %r15,80+0(%r15) # wipe tweak
stg %r15,+8(%r15)
lm %r6,%r14,6*4(%r15)
br %r14
.size AES_xts_decrypt,.-AES_xts_decrypt
.string "AES for s390x, CRYPTOGAMS by <appro@openssl.org>"
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