Mercurial > dropbear
changeset 908:3ca7113936c1 asm
aes and sha1 for arm
| author | Matt Johnston <matt@ucc.asn.au> |
|---|---|
| date | Sun, 06 Oct 2013 21:49:15 +0800 |
| parents | 125012c4d107 |
| children | e4b75744acab |
| files | Makefile.in aes-arm.S aes-asm-ltc.c common-algo.c sha1-arm.S sha1-asm-ltc.c |
| diffstat | 6 files changed, 1999 insertions(+), 9 deletions(-) [+] |
line wrap: on
line diff
--- a/Makefile.in Fri Oct 04 22:40:28 2013 +0800 +++ b/Makefile.in Sun Oct 06 21:49:15 2013 +0800 @@ -41,7 +41,7 @@ CLISVROBJS=common-session.o packet.o common-algo.o common-kex.o \ common-channel.o common-chansession.o termcodes.o loginrec.o \ tcp-accept.o listener.o process-packet.o \ - common-runopts.o circbuffer.o + common-runopts.o circbuffer.o aes-arm.o KEYOBJS=dropbearkey.o gendss.o genrsa.o
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/aes-arm.S Sun Oct 06 21:49:15 2013 +0800 @@ -0,0 +1,1072 @@ +//#include "arm_arch.h" +#define __ARM_ARCH__ 6 +.text +.code 32 + +.type AES_Te,%object +.align 5 +AES_Te: +.word 0xc66363a5, 0xf87c7c84, 0xee777799, 0xf67b7b8d +.word 0xfff2f20d, 0xd66b6bbd, 0xde6f6fb1, 0x91c5c554 +.word 0x60303050, 0x02010103, 0xce6767a9, 0x562b2b7d +.word 0xe7fefe19, 0xb5d7d762, 0x4dababe6, 0xec76769a +.word 0x8fcaca45, 0x1f82829d, 0x89c9c940, 0xfa7d7d87 +.word 0xeffafa15, 0xb25959eb, 0x8e4747c9, 0xfbf0f00b +.word 0x41adadec, 0xb3d4d467, 0x5fa2a2fd, 0x45afafea +.word 0x239c9cbf, 0x53a4a4f7, 0xe4727296, 0x9bc0c05b +.word 0x75b7b7c2, 0xe1fdfd1c, 0x3d9393ae, 0x4c26266a +.word 0x6c36365a, 0x7e3f3f41, 0xf5f7f702, 0x83cccc4f +.word 0x6834345c, 0x51a5a5f4, 0xd1e5e534, 0xf9f1f108 +.word 0xe2717193, 0xabd8d873, 0x62313153, 0x2a15153f +.word 0x0804040c, 0x95c7c752, 0x46232365, 0x9dc3c35e +.word 0x30181828, 0x379696a1, 0x0a05050f, 0x2f9a9ab5 +.word 0x0e070709, 0x24121236, 0x1b80809b, 0xdfe2e23d +.word 0xcdebeb26, 0x4e272769, 0x7fb2b2cd, 0xea75759f +.word 0x1209091b, 0x1d83839e, 0x582c2c74, 0x341a1a2e +.word 0x361b1b2d, 0xdc6e6eb2, 0xb45a5aee, 0x5ba0a0fb +.word 0xa45252f6, 0x763b3b4d, 0xb7d6d661, 0x7db3b3ce +.word 0x5229297b, 0xdde3e33e, 0x5e2f2f71, 0x13848497 +.word 0xa65353f5, 0xb9d1d168, 0x00000000, 0xc1eded2c +.word 0x40202060, 0xe3fcfc1f, 0x79b1b1c8, 0xb65b5bed +.word 0xd46a6abe, 0x8dcbcb46, 0x67bebed9, 0x7239394b +.word 0x944a4ade, 0x984c4cd4, 0xb05858e8, 0x85cfcf4a +.word 0xbbd0d06b, 0xc5efef2a, 0x4faaaae5, 0xedfbfb16 +.word 0x864343c5, 0x9a4d4dd7, 0x66333355, 0x11858594 +.word 0x8a4545cf, 0xe9f9f910, 0x04020206, 0xfe7f7f81 +.word 0xa05050f0, 0x783c3c44, 0x259f9fba, 0x4ba8a8e3 +.word 0xa25151f3, 0x5da3a3fe, 0x804040c0, 0x058f8f8a +.word 0x3f9292ad, 0x219d9dbc, 0x70383848, 0xf1f5f504 +.word 0x63bcbcdf, 0x77b6b6c1, 0xafdada75, 0x42212163 +.word 0x20101030, 0xe5ffff1a, 0xfdf3f30e, 0xbfd2d26d +.word 0x81cdcd4c, 0x180c0c14, 0x26131335, 0xc3ecec2f +.word 0xbe5f5fe1, 0x359797a2, 0x884444cc, 0x2e171739 +.word 0x93c4c457, 0x55a7a7f2, 0xfc7e7e82, 0x7a3d3d47 +.word 0xc86464ac, 0xba5d5de7, 0x3219192b, 0xe6737395 +.word 0xc06060a0, 0x19818198, 0x9e4f4fd1, 0xa3dcdc7f +.word 0x44222266, 0x542a2a7e, 0x3b9090ab, 0x0b888883 +.word 0x8c4646ca, 0xc7eeee29, 0x6bb8b8d3, 0x2814143c +.word 0xa7dede79, 0xbc5e5ee2, 0x160b0b1d, 0xaddbdb76 +.word 0xdbe0e03b, 0x64323256, 0x743a3a4e, 0x140a0a1e +.word 0x924949db, 0x0c06060a, 0x4824246c, 0xb85c5ce4 +.word 0x9fc2c25d, 0xbdd3d36e, 0x43acacef, 0xc46262a6 +.word 0x399191a8, 0x319595a4, 0xd3e4e437, 0xf279798b +.word 0xd5e7e732, 0x8bc8c843, 0x6e373759, 0xda6d6db7 +.word 0x018d8d8c, 0xb1d5d564, 0x9c4e4ed2, 0x49a9a9e0 +.word 0xd86c6cb4, 0xac5656fa, 0xf3f4f407, 0xcfeaea25 +.word 0xca6565af, 0xf47a7a8e, 0x47aeaee9, 0x10080818 +.word 0x6fbabad5, 0xf0787888, 0x4a25256f, 0x5c2e2e72 +.word 0x381c1c24, 0x57a6a6f1, 0x73b4b4c7, 0x97c6c651 +.word 0xcbe8e823, 0xa1dddd7c, 0xe874749c, 0x3e1f1f21 +.word 0x964b4bdd, 0x61bdbddc, 0x0d8b8b86, 0x0f8a8a85 +.word 0xe0707090, 0x7c3e3e42, 0x71b5b5c4, 0xcc6666aa +.word 0x904848d8, 0x06030305, 0xf7f6f601, 0x1c0e0e12 +.word 0xc26161a3, 0x6a35355f, 0xae5757f9, 0x69b9b9d0 +.word 0x17868691, 0x99c1c158, 0x3a1d1d27, 0x279e9eb9 +.word 0xd9e1e138, 0xebf8f813, 0x2b9898b3, 0x22111133 +.word 0xd26969bb, 0xa9d9d970, 0x078e8e89, 0x339494a7 +.word 0x2d9b9bb6, 0x3c1e1e22, 0x15878792, 0xc9e9e920 +.word 0x87cece49, 0xaa5555ff, 0x50282878, 0xa5dfdf7a +.word 0x038c8c8f, 0x59a1a1f8, 0x09898980, 0x1a0d0d17 +.word 0x65bfbfda, 0xd7e6e631, 0x844242c6, 0xd06868b8 +.word 0x824141c3, 0x299999b0, 0x5a2d2d77, 0x1e0f0f11 +.word 0x7bb0b0cb, 0xa85454fc, 0x6dbbbbd6, 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[] +.word 0x01000000, 0x02000000, 0x04000000, 0x08000000 +.word 0x10000000, 0x20000000, 0x40000000, 0x80000000 +.word 0x1B000000, 0x36000000, 0, 0, 0, 0, 0, 0 +.size AES_Te,.-AES_Te + +@ void AES_encrypt(const unsigned char *in, unsigned char *out, +@ const AES_KEY *key) { +.global AES_encrypt +.type AES_encrypt,%function +.align 5 +AES_encrypt: + sub r3,pc,#8 @ AES_encrypt + stmdb sp!,{r1,r4-r12,lr} + mov r12,r0 @ inp + mov r11,r2 + sub r10,r3,#AES_encrypt-AES_Te @ Te +#if __ARM_ARCH__<7 + ldrb r0,[r12,#3] @ load input data in endian-neutral + ldrb r4,[r12,#2] @ manner... + ldrb r5,[r12,#1] + ldrb r6,[r12,#0] + orr r0,r0,r4,lsl#8 + ldrb r1,[r12,#7] + orr r0,r0,r5,lsl#16 + ldrb r4,[r12,#6] + orr r0,r0,r6,lsl#24 + ldrb r5,[r12,#5] + ldrb r6,[r12,#4] + orr r1,r1,r4,lsl#8 + ldrb r2,[r12,#11] + orr r1,r1,r5,lsl#16 + ldrb r4,[r12,#10] + orr r1,r1,r6,lsl#24 + ldrb r5,[r12,#9] + ldrb r6,[r12,#8] + orr r2,r2,r4,lsl#8 + ldrb r3,[r12,#15] + orr r2,r2,r5,lsl#16 + ldrb r4,[r12,#14] + orr r2,r2,r6,lsl#24 + ldrb r5,[r12,#13] + ldrb r6,[r12,#12] + orr r3,r3,r4,lsl#8 + orr r3,r3,r5,lsl#16 + orr r3,r3,r6,lsl#24 +#else + ldr r0,[r12,#0] + ldr r1,[r12,#4] + ldr r2,[r12,#8] + ldr r3,[r12,#12] +#ifdef __ARMEL__ + rev r0,r0 + rev r1,r1 + rev r2,r2 + rev r3,r3 +#endif +#endif + bl _armv4_AES_encrypt + + ldr r12,[sp],#4 @ pop out +#if __ARM_ARCH__>=7 +#ifdef __ARMEL__ + rev r0,r0 + rev r1,r1 + rev r2,r2 + rev r3,r3 +#endif + str r0,[r12,#0] + str r1,[r12,#4] + str r2,[r12,#8] + str r3,[r12,#12] +#else + mov r4,r0,lsr#24 @ write output in endian-neutral + mov r5,r0,lsr#16 @ manner... + mov r6,r0,lsr#8 + strb r4,[r12,#0] + strb r5,[r12,#1] + mov r4,r1,lsr#24 + strb r6,[r12,#2] + mov r5,r1,lsr#16 + strb r0,[r12,#3] + mov r6,r1,lsr#8 + strb r4,[r12,#4] + strb r5,[r12,#5] + mov r4,r2,lsr#24 + strb r6,[r12,#6] + mov r5,r2,lsr#16 + strb r1,[r12,#7] + mov r6,r2,lsr#8 + strb r4,[r12,#8] + strb r5,[r12,#9] + mov r4,r3,lsr#24 + strb r6,[r12,#10] + mov r5,r3,lsr#16 + strb r2,[r12,#11] + mov r6,r3,lsr#8 + strb r4,[r12,#12] + strb r5,[r12,#13] + strb r6,[r12,#14] + strb r3,[r12,#15] +#endif +#if __ARM_ARCH__>=5 + ldmia sp!,{r4-r12,pc} +#else + ldmia sp!,{r4-r12,lr} + tst lr,#1 + moveq pc,lr @ be binary compatible with V4, yet + .word 0xe12fff1e @ interoperable with Thumb ISA:-) +#endif +.size AES_encrypt,.-AES_encrypt + +.type _armv4_AES_encrypt,%function +.align 2 +_armv4_AES_encrypt: + str lr,[sp,#-4]! @ push lr + ldmia r11!,{r4-r7} + eor r0,r0,r4 + ldr r12,[r11,#240-16] + eor r1,r1,r5 + eor r2,r2,r6 + eor r3,r3,r7 + sub r12,r12,#1 + mov lr,#255 + + and r7,lr,r0 + and r8,lr,r0,lsr#8 + and r9,lr,r0,lsr#16 + mov r0,r0,lsr#24 +.Lenc_loop: + ldr r4,[r10,r7,lsl#2] @ Te3[s0>>0] + and r7,lr,r1,lsr#16 @ i0 + ldr r5,[r10,r8,lsl#2] @ Te2[s0>>8] + and r8,lr,r1 + ldr r6,[r10,r9,lsl#2] @ Te1[s0>>16] + and r9,lr,r1,lsr#8 + ldr r0,[r10,r0,lsl#2] @ Te0[s0>>24] + mov r1,r1,lsr#24 + + ldr r7,[r10,r7,lsl#2] @ Te1[s1>>16] + ldr r8,[r10,r8,lsl#2] @ Te3[s1>>0] + ldr r9,[r10,r9,lsl#2] @ Te2[s1>>8] + eor r0,r0,r7,ror#8 + ldr r1,[r10,r1,lsl#2] @ Te0[s1>>24] + and r7,lr,r2,lsr#8 @ i0 + eor r5,r5,r8,ror#8 + and r8,lr,r2,lsr#16 @ i1 + eor r6,r6,r9,ror#8 + and r9,lr,r2 + ldr r7,[r10,r7,lsl#2] @ Te2[s2>>8] + eor r1,r1,r4,ror#24 + ldr r8,[r10,r8,lsl#2] @ Te1[s2>>16] + mov r2,r2,lsr#24 + + ldr r9,[r10,r9,lsl#2] @ Te3[s2>>0] + eor r0,r0,r7,ror#16 + ldr r2,[r10,r2,lsl#2] @ Te0[s2>>24] + and r7,lr,r3 @ i0 + eor r1,r1,r8,ror#8 + and r8,lr,r3,lsr#8 @ i1 + eor r6,r6,r9,ror#16 + and r9,lr,r3,lsr#16 @ i2 + ldr r7,[r10,r7,lsl#2] @ Te3[s3>>0] + eor r2,r2,r5,ror#16 + ldr r8,[r10,r8,lsl#2] @ Te2[s3>>8] + mov r3,r3,lsr#24 + + ldr r9,[r10,r9,lsl#2] @ Te1[s3>>16] + eor r0,r0,r7,ror#24 + ldr r7,[r11],#16 + eor r1,r1,r8,ror#16 + ldr r3,[r10,r3,lsl#2] @ Te0[s3>>24] + eor r2,r2,r9,ror#8 + ldr r4,[r11,#-12] + eor r3,r3,r6,ror#8 + + ldr r5,[r11,#-8] + eor r0,r0,r7 + ldr r6,[r11,#-4] + and r7,lr,r0 + eor r1,r1,r4 + and r8,lr,r0,lsr#8 + eor r2,r2,r5 + and r9,lr,r0,lsr#16 + eor r3,r3,r6 + mov r0,r0,lsr#24 + + subs r12,r12,#1 + bne .Lenc_loop + + add r10,r10,#2 + + ldrb r4,[r10,r7,lsl#2] @ Te4[s0>>0] + and r7,lr,r1,lsr#16 @ i0 + ldrb r5,[r10,r8,lsl#2] @ Te4[s0>>8] + and r8,lr,r1 + ldrb r6,[r10,r9,lsl#2] @ Te4[s0>>16] + and r9,lr,r1,lsr#8 + ldrb r0,[r10,r0,lsl#2] @ Te4[s0>>24] + mov r1,r1,lsr#24 + + ldrb r7,[r10,r7,lsl#2] @ Te4[s1>>16] + ldrb r8,[r10,r8,lsl#2] @ Te4[s1>>0] + ldrb r9,[r10,r9,lsl#2] @ Te4[s1>>8] + eor r0,r7,r0,lsl#8 + ldrb r1,[r10,r1,lsl#2] @ Te4[s1>>24] + and r7,lr,r2,lsr#8 @ i0 + eor r5,r8,r5,lsl#8 + and r8,lr,r2,lsr#16 @ i1 + eor r6,r9,r6,lsl#8 + and r9,lr,r2 + ldrb r7,[r10,r7,lsl#2] @ Te4[s2>>8] + eor r1,r4,r1,lsl#24 + ldrb r8,[r10,r8,lsl#2] @ Te4[s2>>16] + mov r2,r2,lsr#24 + + ldrb r9,[r10,r9,lsl#2] @ Te4[s2>>0] + eor r0,r7,r0,lsl#8 + ldrb r2,[r10,r2,lsl#2] @ Te4[s2>>24] + and r7,lr,r3 @ i0 + eor r1,r1,r8,lsl#16 + and r8,lr,r3,lsr#8 @ i1 + eor r6,r9,r6,lsl#8 + and r9,lr,r3,lsr#16 @ i2 + ldrb r7,[r10,r7,lsl#2] @ Te4[s3>>0] + eor r2,r5,r2,lsl#24 + ldrb r8,[r10,r8,lsl#2] @ Te4[s3>>8] + mov r3,r3,lsr#24 + + ldrb r9,[r10,r9,lsl#2] @ Te4[s3>>16] + eor r0,r7,r0,lsl#8 + ldr r7,[r11,#0] + ldrb r3,[r10,r3,lsl#2] @ Te4[s3>>24] + eor r1,r1,r8,lsl#8 + ldr r4,[r11,#4] + eor r2,r2,r9,lsl#16 + ldr r5,[r11,#8] + eor r3,r6,r3,lsl#24 + ldr r6,[r11,#12] + + eor r0,r0,r7 + eor r1,r1,r4 + eor r2,r2,r5 + eor r3,r3,r6 + + sub r10,r10,#2 + ldr pc,[sp],#4 @ pop and return +.size _armv4_AES_encrypt,.-_armv4_AES_encrypt + +.global private_AES_set_encrypt_key +.type private_AES_set_encrypt_key,%function +.align 5 +private_AES_set_encrypt_key: +_armv4_AES_set_encrypt_key: + sub r3,pc,#8 @ AES_set_encrypt_key + teq r0,#0 + moveq r0,#-1 + beq .Labrt + teq r2,#0 + moveq r0,#-1 + beq .Labrt + + teq r1,#128 + beq .Lok + teq r1,#192 + beq .Lok + teq r1,#256 + movne r0,#-1 + bne .Labrt + +.Lok: stmdb sp!,{r4-r12,lr} + sub r10,r3,#_armv4_AES_set_encrypt_key-AES_Te-1024 @ Te4 + + mov r12,r0 @ inp + mov lr,r1 @ bits + mov r11,r2 @ key + +#if __ARM_ARCH__<7 + ldrb r0,[r12,#3] @ load input data in endian-neutral + ldrb r4,[r12,#2] @ manner... + ldrb r5,[r12,#1] + ldrb r6,[r12,#0] + orr r0,r0,r4,lsl#8 + ldrb r1,[r12,#7] + orr r0,r0,r5,lsl#16 + ldrb r4,[r12,#6] + orr r0,r0,r6,lsl#24 + ldrb r5,[r12,#5] + ldrb r6,[r12,#4] + orr r1,r1,r4,lsl#8 + ldrb r2,[r12,#11] + orr r1,r1,r5,lsl#16 + ldrb r4,[r12,#10] + orr r1,r1,r6,lsl#24 + ldrb r5,[r12,#9] + ldrb r6,[r12,#8] + orr r2,r2,r4,lsl#8 + ldrb r3,[r12,#15] + orr r2,r2,r5,lsl#16 + ldrb r4,[r12,#14] + orr r2,r2,r6,lsl#24 + ldrb r5,[r12,#13] + ldrb r6,[r12,#12] + orr r3,r3,r4,lsl#8 + str r0,[r11],#16 + orr r3,r3,r5,lsl#16 + str r1,[r11,#-12] + orr r3,r3,r6,lsl#24 + str r2,[r11,#-8] + str r3,[r11,#-4] +#else + ldr r0,[r12,#0] + ldr r1,[r12,#4] + ldr r2,[r12,#8] + ldr r3,[r12,#12] +#ifdef __ARMEL__ + rev r0,r0 + rev r1,r1 + rev r2,r2 + rev r3,r3 +#endif + str r0,[r11],#16 + str r1,[r11,#-12] + str r2,[r11,#-8] + str r3,[r11,#-4] +#endif + + teq lr,#128 + bne .Lnot128 + mov r12,#10 + str r12,[r11,#240-16] + add r6,r10,#256 @ rcon + mov lr,#255 + +.L128_loop: + and r5,lr,r3,lsr#24 + and r7,lr,r3,lsr#16 + ldrb r5,[r10,r5] + and r8,lr,r3,lsr#8 + ldrb r7,[r10,r7] + and r9,lr,r3 + ldrb r8,[r10,r8] + orr r5,r5,r7,lsl#24 + ldrb r9,[r10,r9] + orr r5,r5,r8,lsl#16 + ldr r4,[r6],#4 @ rcon[i++] + orr r5,r5,r9,lsl#8 + eor r5,r5,r4 + eor r0,r0,r5 @ rk[4]=rk[0]^... + eor r1,r1,r0 @ rk[5]=rk[1]^rk[4] + str r0,[r11],#16 + eor r2,r2,r1 @ rk[6]=rk[2]^rk[5] + str r1,[r11,#-12] + eor r3,r3,r2 @ rk[7]=rk[3]^rk[6] + str r2,[r11,#-8] + subs r12,r12,#1 + str r3,[r11,#-4] + bne .L128_loop + sub r2,r11,#176 + b .Ldone + +.Lnot128: +#if __ARM_ARCH__<7 + ldrb r8,[r12,#19] + ldrb r4,[r12,#18] + ldrb r5,[r12,#17] + ldrb r6,[r12,#16] + orr r8,r8,r4,lsl#8 + ldrb r9,[r12,#23] + orr r8,r8,r5,lsl#16 + ldrb r4,[r12,#22] + orr r8,r8,r6,lsl#24 + ldrb r5,[r12,#21] + ldrb r6,[r12,#20] + orr r9,r9,r4,lsl#8 + orr r9,r9,r5,lsl#16 + str r8,[r11],#8 + orr r9,r9,r6,lsl#24 + str r9,[r11,#-4] +#else + ldr r8,[r12,#16] + ldr r9,[r12,#20] +#ifdef __ARMEL__ + rev r8,r8 + rev r9,r9 +#endif + str r8,[r11],#8 + str r9,[r11,#-4] +#endif + + teq lr,#192 + bne .Lnot192 + mov r12,#12 + str r12,[r11,#240-24] + add r6,r10,#256 @ rcon + mov lr,#255 + mov r12,#8 + +.L192_loop: + and r5,lr,r9,lsr#24 + and r7,lr,r9,lsr#16 + ldrb r5,[r10,r5] + and r8,lr,r9,lsr#8 + ldrb r7,[r10,r7] + and r9,lr,r9 + ldrb r8,[r10,r8] + orr r5,r5,r7,lsl#24 + ldrb r9,[r10,r9] + orr r5,r5,r8,lsl#16 + ldr r4,[r6],#4 @ rcon[i++] + orr r5,r5,r9,lsl#8 + eor r9,r5,r4 + eor r0,r0,r9 @ rk[6]=rk[0]^... + eor r1,r1,r0 @ rk[7]=rk[1]^rk[6] + str r0,[r11],#24 + eor r2,r2,r1 @ rk[8]=rk[2]^rk[7] + str r1,[r11,#-20] + eor r3,r3,r2 @ rk[9]=rk[3]^rk[8] + str r2,[r11,#-16] + subs r12,r12,#1 + str r3,[r11,#-12] + subeq r2,r11,#216 + beq .Ldone + + ldr r7,[r11,#-32] + ldr r8,[r11,#-28] + eor r7,r7,r3 @ rk[10]=rk[4]^rk[9] + eor r9,r8,r7 @ rk[11]=rk[5]^rk[10] + str r7,[r11,#-8] + str r9,[r11,#-4] + b .L192_loop + +.Lnot192: +#if __ARM_ARCH__<7 + ldrb r8,[r12,#27] + ldrb r4,[r12,#26] + ldrb r5,[r12,#25] + ldrb r6,[r12,#24] + orr r8,r8,r4,lsl#8 + ldrb r9,[r12,#31] + orr r8,r8,r5,lsl#16 + ldrb r4,[r12,#30] + orr r8,r8,r6,lsl#24 + ldrb r5,[r12,#29] + ldrb r6,[r12,#28] + orr r9,r9,r4,lsl#8 + orr r9,r9,r5,lsl#16 + str r8,[r11],#8 + orr r9,r9,r6,lsl#24 + str r9,[r11,#-4] +#else + ldr r8,[r12,#24] + ldr r9,[r12,#28] +#ifdef __ARMEL__ + rev r8,r8 + rev r9,r9 +#endif + str r8,[r11],#8 + str r9,[r11,#-4] +#endif + + mov r12,#14 + str r12,[r11,#240-32] + add r6,r10,#256 @ rcon + mov lr,#255 + mov r12,#7 + +.L256_loop: + and r5,lr,r9,lsr#24 + and r7,lr,r9,lsr#16 + ldrb r5,[r10,r5] + and r8,lr,r9,lsr#8 + ldrb r7,[r10,r7] + and r9,lr,r9 + ldrb r8,[r10,r8] + orr r5,r5,r7,lsl#24 + ldrb r9,[r10,r9] + orr r5,r5,r8,lsl#16 + ldr r4,[r6],#4 @ rcon[i++] + orr r5,r5,r9,lsl#8 + eor r9,r5,r4 + eor r0,r0,r9 @ rk[8]=rk[0]^... + eor r1,r1,r0 @ rk[9]=rk[1]^rk[8] + str r0,[r11],#32 + eor r2,r2,r1 @ rk[10]=rk[2]^rk[9] + str r1,[r11,#-28] + eor r3,r3,r2 @ rk[11]=rk[3]^rk[10] + str r2,[r11,#-24] + subs r12,r12,#1 + str r3,[r11,#-20] + subeq r2,r11,#256 + beq .Ldone + + and r5,lr,r3 + and r7,lr,r3,lsr#8 + ldrb r5,[r10,r5] + and r8,lr,r3,lsr#16 + ldrb r7,[r10,r7] + and r9,lr,r3,lsr#24 + ldrb r8,[r10,r8] + orr r5,r5,r7,lsl#8 + ldrb r9,[r10,r9] + orr r5,r5,r8,lsl#16 + ldr r4,[r11,#-48] + orr r5,r5,r9,lsl#24 + + ldr r7,[r11,#-44] + ldr r8,[r11,#-40] + eor r4,r4,r5 @ rk[12]=rk[4]^... + ldr r9,[r11,#-36] + eor r7,r7,r4 @ rk[13]=rk[5]^rk[12] + str r4,[r11,#-16] + eor r8,r8,r7 @ rk[14]=rk[6]^rk[13] + str r7,[r11,#-12] + eor r9,r9,r8 @ rk[15]=rk[7]^rk[14] + str r8,[r11,#-8] + str r9,[r11,#-4] + b .L256_loop + +.Ldone: mov r0,#0 + ldmia sp!,{r4-r12,lr} +.Labrt: tst lr,#1 + moveq pc,lr @ be binary compatible with V4, yet + .word 0xe12fff1e @ interoperable with Thumb ISA:-) +.size private_AES_set_encrypt_key,.-private_AES_set_encrypt_key + +.global private_AES_set_decrypt_key +.type private_AES_set_decrypt_key,%function +.align 5 +private_AES_set_decrypt_key: + str lr,[sp,#-4]! @ push lr + bl _armv4_AES_set_encrypt_key + teq r0,#0 + ldrne lr,[sp],#4 @ pop lr + bne .Labrt + + stmdb sp!,{r4-r12} + + ldr r12,[r2,#240] @ AES_set_encrypt_key preserves r2, + mov r11,r2 @ which is AES_KEY *key + mov r7,r2 + add r8,r2,r12,lsl#4 + +.Linv: ldr r0,[r7] + ldr r1,[r7,#4] + ldr r2,[r7,#8] + ldr r3,[r7,#12] + ldr r4,[r8] + ldr r5,[r8,#4] + ldr r6,[r8,#8] + ldr r9,[r8,#12] + str r0,[r8],#-16 + str r1,[r8,#16+4] + str r2,[r8,#16+8] + str r3,[r8,#16+12] + str r4,[r7],#16 + str r5,[r7,#-12] + str r6,[r7,#-8] + str r9,[r7,#-4] + teq r7,r8 + bne .Linv + ldr r0,[r11,#16]! @ prefetch tp1 + mov r7,#0x80 + mov r8,#0x1b + orr r7,r7,#0x8000 + orr r8,r8,#0x1b00 + orr r7,r7,r7,lsl#16 + orr r8,r8,r8,lsl#16 + sub r12,r12,#1 + mvn r9,r7 + mov r12,r12,lsl#2 @ (rounds-1)*4 + +.Lmix: and r4,r0,r7 + and r1,r0,r9 + sub r4,r4,r4,lsr#7 + and r4,r4,r8 + eor r1,r4,r1,lsl#1 @ tp2 + + and r4,r1,r7 + and r2,r1,r9 + sub r4,r4,r4,lsr#7 + and r4,r4,r8 + eor r2,r4,r2,lsl#1 @ tp4 + + and r4,r2,r7 + and r3,r2,r9 + sub r4,r4,r4,lsr#7 + and r4,r4,r8 + eor r3,r4,r3,lsl#1 @ tp8 + + eor r4,r1,r2 + eor r5,r0,r3 @ tp9 + eor r4,r4,r3 @ tpe + eor r4,r4,r1,ror#24 + eor r4,r4,r5,ror#24 @ ^= ROTATE(tpb=tp9^tp2,8) + eor r4,r4,r2,ror#16 + eor r4,r4,r5,ror#16 @ ^= ROTATE(tpd=tp9^tp4,16) + eor r4,r4,r5,ror#8 @ ^= ROTATE(tp9,24) + + ldr r0,[r11,#4] @ prefetch tp1 + str r4,[r11],#4 + subs r12,r12,#1 + bne .Lmix + + mov r0,#0 +#if __ARM_ARCH__>=5 + ldmia sp!,{r4-r12,pc} +#else + ldmia sp!,{r4-r12,lr} + tst lr,#1 + moveq pc,lr @ be binary compatible with V4, yet + .word 0xe12fff1e @ interoperable with Thumb ISA:-) +#endif +.size private_AES_set_decrypt_key,.-private_AES_set_decrypt_key + +.type AES_Td,%object +.align 5 +AES_Td: +.word 0x51f4a750, 0x7e416553, 0x1a17a4c3, 0x3a275e96 +.word 0x3bab6bcb, 0x1f9d45f1, 0xacfa58ab, 0x4be30393 +.word 0x2030fa55, 0xad766df6, 0x88cc7691, 0xf5024c25 +.word 0x4fe5d7fc, 0xc52acbd7, 0x26354480, 0xb562a38f +.word 0xdeb15a49, 0x25ba1b67, 0x45ea0e98, 0x5dfec0e1 +.word 0xc32f7502, 0x814cf012, 0x8d4697a3, 0x6bd3f9c6 +.word 0x038f5fe7, 0x15929c95, 0xbf6d7aeb, 0x955259da +.word 0xd4be832d, 0x587421d3, 0x49e06929, 0x8ec9c844 +.word 0x75c2896a, 0xf48e7978, 0x99583e6b, 0x27b971dd +.word 0xbee14fb6, 0xf088ad17, 0xc920ac66, 0x7dce3ab4 +.word 0x63df4a18, 0xe51a3182, 0x97513360, 0x62537f45 +.word 0xb16477e0, 0xbb6bae84, 0xfe81a01c, 0xf9082b94 +.word 0x70486858, 0x8f45fd19, 0x94de6c87, 0x527bf8b7 +.word 0xab73d323, 0x724b02e2, 0xe31f8f57, 0x6655ab2a +.word 0xb2eb2807, 0x2fb5c203, 0x86c57b9a, 0xd33708a5 +.word 0x302887f2, 0x23bfa5b2, 0x02036aba, 0xed16825c +.word 0x8acf1c2b, 0xa779b492, 0xf307f2f0, 0x4e69e2a1 +.word 0x65daf4cd, 0x0605bed5, 0xd134621f, 0xc4a6fe8a +.word 0x342e539d, 0xa2f355a0, 0x058ae132, 0xa4f6eb75 +.word 0x0b83ec39, 0x4060efaa, 0x5e719f06, 0xbd6e1051 +.word 0x3e218af9, 0x96dd063d, 0xdd3e05ae, 0x4de6bd46 +.word 0x91548db5, 0x71c45d05, 0x0406d46f, 0x605015ff +.word 0x1998fb24, 0xd6bde997, 0x894043cc, 0x67d99e77 +.word 0xb0e842bd, 0x07898b88, 0xe7195b38, 0x79c8eedb +.word 0xa17c0a47, 0x7c420fe9, 0xf8841ec9, 0x00000000 +.word 0x09808683, 0x322bed48, 0x1e1170ac, 0x6c5a724e +.word 0xfd0efffb, 0x0f853856, 0x3daed51e, 0x362d3927 +.word 0x0a0fd964, 0x685ca621, 0x9b5b54d1, 0x24362e3a +.word 0x0c0a67b1, 0x9357e70f, 0xb4ee96d2, 0x1b9b919e +.word 0x80c0c54f, 0x61dc20a2, 0x5a774b69, 0x1c121a16 +.word 0xe293ba0a, 0xc0a02ae5, 0x3c22e043, 0x121b171d +.word 0x0e090d0b, 0xf28bc7ad, 0x2db6a8b9, 0x141ea9c8 +.word 0x57f11985, 0xaf75074c, 0xee99ddbb, 0xa37f60fd +.word 0xf701269f, 0x5c72f5bc, 0x44663bc5, 0x5bfb7e34 +.word 0x8b432976, 0xcb23c6dc, 0xb6edfc68, 0xb8e4f163 +.word 0xd731dcca, 0x42638510, 0x13972240, 0x84c61120 +.word 0x854a247d, 0xd2bb3df8, 0xaef93211, 0xc729a16d +.word 0x1d9e2f4b, 0xdcb230f3, 0x0d8652ec, 0x77c1e3d0 +.word 0x2bb3166c, 0xa970b999, 0x119448fa, 0x47e96422 +.word 0xa8fc8cc4, 0xa0f03f1a, 0x567d2cd8, 0x223390ef +.word 0x87494ec7, 0xd938d1c1, 0x8ccaa2fe, 0x98d40b36 +.word 0xa6f581cf, 0xa57ade28, 0xdab78e26, 0x3fadbfa4 +.word 0x2c3a9de4, 0x5078920d, 0x6a5fcc9b, 0x547e4662 +.word 0xf68d13c2, 0x90d8b8e8, 0x2e39f75e, 0x82c3aff5 +.word 0x9f5d80be, 0x69d0937c, 0x6fd52da9, 0xcf2512b3 +.word 0xc8ac993b, 0x10187da7, 0xe89c636e, 0xdb3bbb7b +.word 0xcd267809, 0x6e5918f4, 0xec9ab701, 0x834f9aa8 +.word 0xe6956e65, 0xaaffe67e, 0x21bccf08, 0xef15e8e6 +.word 0xbae79bd9, 0x4a6f36ce, 0xea9f09d4, 0x29b07cd6 +.word 0x31a4b2af, 0x2a3f2331, 0xc6a59430, 0x35a266c0 +.word 0x744ebc37, 0xfc82caa6, 0xe090d0b0, 0x33a7d815 +.word 0xf104984a, 0x41ecdaf7, 0x7fcd500e, 0x1791f62f +.word 0x764dd68d, 0x43efb04d, 0xccaa4d54, 0xe49604df +.word 0x9ed1b5e3, 0x4c6a881b, 0xc12c1fb8, 0x4665517f +.word 0x9d5eea04, 0x018c355d, 0xfa877473, 0xfb0b412e +.word 0xb3671d5a, 0x92dbd252, 0xe9105633, 0x6dd64713 +.word 0x9ad7618c, 0x37a10c7a, 0x59f8148e, 0xeb133c89 +.word 0xcea927ee, 0xb761c935, 0xe11ce5ed, 0x7a47b13c +.word 0x9cd2df59, 0x55f2733f, 0x1814ce79, 0x73c737bf +.word 0x53f7cdea, 0x5ffdaa5b, 0xdf3d6f14, 0x7844db86 +.word 0xcaaff381, 0xb968c43e, 0x3824342c, 0xc2a3405f +.word 0x161dc372, 0xbce2250c, 0x283c498b, 0xff0d9541 +.word 0x39a80171, 0x080cb3de, 0xd8b4e49c, 0x6456c190 +.word 0x7bcb8461, 0xd532b670, 0x486c5c74, 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 *in, unsigned char *out, +@ const AES_KEY *key) { +.global AES_decrypt +.type AES_decrypt,%function +.align 5 +AES_decrypt: + sub r3,pc,#8 @ AES_decrypt + stmdb sp!,{r1,r4-r12,lr} + mov r12,r0 @ inp + mov r11,r2 + sub r10,r3,#AES_decrypt-AES_Td @ Td +#if __ARM_ARCH__<7 + ldrb r0,[r12,#3] @ load input data in endian-neutral + ldrb r4,[r12,#2] @ manner... + ldrb r5,[r12,#1] + ldrb r6,[r12,#0] + orr r0,r0,r4,lsl#8 + ldrb r1,[r12,#7] + orr r0,r0,r5,lsl#16 + ldrb r4,[r12,#6] + orr r0,r0,r6,lsl#24 + ldrb r5,[r12,#5] + ldrb r6,[r12,#4] + orr r1,r1,r4,lsl#8 + ldrb r2,[r12,#11] + orr r1,r1,r5,lsl#16 + ldrb r4,[r12,#10] + orr r1,r1,r6,lsl#24 + ldrb r5,[r12,#9] + ldrb r6,[r12,#8] + orr r2,r2,r4,lsl#8 + ldrb r3,[r12,#15] + orr r2,r2,r5,lsl#16 + ldrb r4,[r12,#14] + orr r2,r2,r6,lsl#24 + ldrb r5,[r12,#13] + ldrb r6,[r12,#12] + orr r3,r3,r4,lsl#8 + orr r3,r3,r5,lsl#16 + orr r3,r3,r6,lsl#24 +#else + ldr r0,[r12,#0] + ldr r1,[r12,#4] + ldr r2,[r12,#8] + ldr r3,[r12,#12] +#ifdef __ARMEL__ + rev r0,r0 + rev r1,r1 + rev r2,r2 + rev r3,r3 +#endif +#endif + bl _armv4_AES_decrypt + + ldr r12,[sp],#4 @ pop out +#if __ARM_ARCH__>=7 +#ifdef __ARMEL__ + rev r0,r0 + rev r1,r1 + rev r2,r2 + rev r3,r3 +#endif + str r0,[r12,#0] + str r1,[r12,#4] + str r2,[r12,#8] + str r3,[r12,#12] +#else + mov r4,r0,lsr#24 @ write output in endian-neutral + mov r5,r0,lsr#16 @ manner... + mov r6,r0,lsr#8 + strb r4,[r12,#0] + strb r5,[r12,#1] + mov r4,r1,lsr#24 + strb r6,[r12,#2] + mov r5,r1,lsr#16 + strb r0,[r12,#3] + mov r6,r1,lsr#8 + strb r4,[r12,#4] + strb r5,[r12,#5] + mov r4,r2,lsr#24 + strb r6,[r12,#6] + mov r5,r2,lsr#16 + strb r1,[r12,#7] + mov r6,r2,lsr#8 + strb r4,[r12,#8] + strb r5,[r12,#9] + mov r4,r3,lsr#24 + strb r6,[r12,#10] + mov r5,r3,lsr#16 + strb r2,[r12,#11] + mov r6,r3,lsr#8 + strb r4,[r12,#12] + strb r5,[r12,#13] + strb r6,[r12,#14] + strb r3,[r12,#15] +#endif +#if __ARM_ARCH__>=5 + ldmia sp!,{r4-r12,pc} +#else + ldmia sp!,{r4-r12,lr} + tst lr,#1 + moveq pc,lr @ be binary compatible with V4, yet + .word 0xe12fff1e @ interoperable with Thumb ISA:-) +#endif +.size AES_decrypt,.-AES_decrypt + +.type _armv4_AES_decrypt,%function +.align 2 +_armv4_AES_decrypt: + str lr,[sp,#-4]! @ push lr + ldmia r11!,{r4-r7} + eor r0,r0,r4 + ldr r12,[r11,#240-16] + eor r1,r1,r5 + eor r2,r2,r6 + eor r3,r3,r7 + sub r12,r12,#1 + mov lr,#255 + + and r7,lr,r0,lsr#16 + and r8,lr,r0,lsr#8 + and r9,lr,r0 + mov r0,r0,lsr#24 +.Ldec_loop: + ldr r4,[r10,r7,lsl#2] @ Td1[s0>>16] + and r7,lr,r1 @ i0 + ldr r5,[r10,r8,lsl#2] @ Td2[s0>>8] + and r8,lr,r1,lsr#16 + ldr r6,[r10,r9,lsl#2] @ Td3[s0>>0] + and r9,lr,r1,lsr#8 + ldr r0,[r10,r0,lsl#2] @ Td0[s0>>24] + mov r1,r1,lsr#24 + + ldr r7,[r10,r7,lsl#2] @ Td3[s1>>0] + ldr r8,[r10,r8,lsl#2] @ Td1[s1>>16] + ldr r9,[r10,r9,lsl#2] @ Td2[s1>>8] + eor r0,r0,r7,ror#24 + ldr r1,[r10,r1,lsl#2] @ Td0[s1>>24] + and r7,lr,r2,lsr#8 @ i0 + eor r5,r8,r5,ror#8 + and r8,lr,r2 @ i1 + eor r6,r9,r6,ror#8 + and r9,lr,r2,lsr#16 + ldr r7,[r10,r7,lsl#2] @ Td2[s2>>8] + eor r1,r1,r4,ror#8 + ldr r8,[r10,r8,lsl#2] @ Td3[s2>>0] + mov r2,r2,lsr#24 + + ldr r9,[r10,r9,lsl#2] @ Td1[s2>>16] + eor r0,r0,r7,ror#16 + ldr r2,[r10,r2,lsl#2] @ Td0[s2>>24] + and r7,lr,r3,lsr#16 @ i0 + eor r1,r1,r8,ror#24 + and r8,lr,r3,lsr#8 @ i1 + eor r6,r9,r6,ror#8 + and r9,lr,r3 @ i2 + ldr r7,[r10,r7,lsl#2] @ Td1[s3>>16] + eor r2,r2,r5,ror#8 + ldr r8,[r10,r8,lsl#2] @ Td2[s3>>8] + mov r3,r3,lsr#24 + + ldr r9,[r10,r9,lsl#2] @ Td3[s3>>0] + eor r0,r0,r7,ror#8 + ldr r7,[r11],#16 + eor r1,r1,r8,ror#16 + ldr r3,[r10,r3,lsl#2] @ Td0[s3>>24] + eor r2,r2,r9,ror#24 + + ldr r4,[r11,#-12] + eor r0,r0,r7 + ldr r5,[r11,#-8] + eor r3,r3,r6,ror#8 + ldr r6,[r11,#-4] + and r7,lr,r0,lsr#16 + eor r1,r1,r4 + and r8,lr,r0,lsr#8 + eor r2,r2,r5 + and r9,lr,r0 + eor r3,r3,r6 + mov r0,r0,lsr#24 + + subs r12,r12,#1 + bne .Ldec_loop + + add r10,r10,#1024 + + ldr r5,[r10,#0] @ prefetch Td4 + ldr r6,[r10,#32] + ldr r4,[r10,#64] + ldr r5,[r10,#96] + ldr r6,[r10,#128] + ldr r4,[r10,#160] + ldr r5,[r10,#192] + ldr r6,[r10,#224] + + ldrb r0,[r10,r0] @ Td4[s0>>24] + ldrb r4,[r10,r7] @ Td4[s0>>16] + and r7,lr,r1 @ i0 + ldrb r5,[r10,r8] @ Td4[s0>>8] + and r8,lr,r1,lsr#16 + ldrb r6,[r10,r9] @ Td4[s0>>0] + and r9,lr,r1,lsr#8 + + ldrb r7,[r10,r7] @ Td4[s1>>0] + ldrb r1,[r10,r1,lsr#24] @ Td4[s1>>24] + ldrb r8,[r10,r8] @ Td4[s1>>16] + eor r0,r7,r0,lsl#24 + ldrb r9,[r10,r9] @ Td4[s1>>8] + eor r1,r4,r1,lsl#8 + and r7,lr,r2,lsr#8 @ i0 + eor r5,r5,r8,lsl#8 + and r8,lr,r2 @ i1 + ldrb r7,[r10,r7] @ Td4[s2>>8] + eor r6,r6,r9,lsl#8 + ldrb r8,[r10,r8] @ Td4[s2>>0] + and r9,lr,r2,lsr#16 + + ldrb r2,[r10,r2,lsr#24] @ Td4[s2>>24] + eor r0,r0,r7,lsl#8 + ldrb r9,[r10,r9] @ Td4[s2>>16] + eor r1,r8,r1,lsl#16 + and r7,lr,r3,lsr#16 @ i0 + eor r2,r5,r2,lsl#16 + and r8,lr,r3,lsr#8 @ i1 + ldrb r7,[r10,r7] @ Td4[s3>>16] + eor r6,r6,r9,lsl#16 + ldrb r8,[r10,r8] @ Td4[s3>>8] + and r9,lr,r3 @ i2 + + ldrb r9,[r10,r9] @ Td4[s3>>0] + ldrb r3,[r10,r3,lsr#24] @ Td4[s3>>24] + eor r0,r0,r7,lsl#16 + ldr r7,[r11,#0] + eor r1,r1,r8,lsl#8 + ldr r4,[r11,#4] + eor r2,r9,r2,lsl#8 + ldr r5,[r11,#8] + eor r3,r6,r3,lsl#24 + ldr r6,[r11,#12] + + eor r0,r0,r7 + eor r1,r1,r4 + eor r2,r2,r5 + eor r3,r3,r6 + + sub r10,r10,#1024 + ldr pc,[sp],#4 @ pop and return +.size _armv4_AES_decrypt,.-_armv4_AES_decrypt +.asciz "AES for ARMv4, CRYPTOGAMS by <[email protected]>" +.align 2
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/aes-asm-ltc.c Sun Oct 06 21:49:15 2013 +0800 @@ -0,0 +1,275 @@ +/* LibTomCrypt, modular cryptographic library -- Tom St Denis + * + * LibTomCrypt is a library that provides various cryptographic + * algorithms in a highly modular and flexible manner. + * + * The library is free for all purposes without any express + * guarantee it works. + * + * Tom St Denis, [email protected], http://libtomcrypt.com + */ + +/* AES implementation by Tom St Denis + * + * Derived from the Public Domain source code by + +--- + * rijndael-alg-fst.c + * + * @version 3.0 (December 2000) + * + * Optimised ANSI C code for the Rijndael cipher (now AES) + * + * @author Vincent Rijmen <[email protected]> + * @author Antoon Bosselaers <[email protected]> + * @author Paulo Barreto <[email protected]> +--- + */ +/** + @file aes.c + Implementation of AES +*/ + +#include "options.h" +#include "tomcrypt.h" + +#ifdef DROPBEAR_AES_ASM + +#define SETUP aes_asm_setup +#define ECB_ENC aes_asm_ecb_encrypt +#define ECB_DEC aes_asm_ecb_decrypt +#define ECB_DONE aes_asm_done +#define ECB_TEST aes_asm_test +#define ECB_KS aes_asm_keysize + + +/* Matches the AES key structure used by OpenSSL */ +struct aes_asm_key { + ulong32 key[60]; + int rounds; +}; + +struct aes_asm_keypair { + struct aes_asm_key enc; + struct aes_asm_key dec; +}; + +int private_AES_set_encrypt_key(const unsigned char* key, + int keybits, struct aes_asm_key* key_state); +int private_AES_set_decrypt_key(const unsigned char* key, + int keybits, struct aes_asm_key* key_state); +int AES_encrypt(const unsigned char* in, + const unsigned char* out, + struct aes_asm_key* key_state); +int AES_decrypt(const unsigned char* in, + const unsigned char* out, + struct aes_asm_key* key_state); + + /** + Initialize the AES (Rijndael) block cipher + @param key The symmetric key you wish to pass + @param keylen The key length in bytes + @param num_rounds The number of rounds desired (0 for default) + @param skey The key in as scheduled by this function. + @return CRYPT_OK if successful + */ +int SETUP(const unsigned char *key, int keylen, int num_rounds, symmetric_key *skey) +{ + struct aes_asm_keypair *keypair = NULL; + LTC_ARGCHK(key != NULL); + LTC_ARGCHK(skey != NULL); + + if (keylen != 16 && keylen != 24 && keylen != 32) { + return CRYPT_INVALID_KEYSIZE; + } + + if (num_rounds != 0) + { + return CRYPT_INVALID_ROUNDS; + } + + skey->data = XMALLOC(sizeof(*keypair)); + keypair = skey->data; + private_AES_set_encrypt_key(key, keylen*8, &keypair->enc); + private_AES_set_decrypt_key(key, keylen*8, &keypair->dec); + return CRYPT_OK; +} + +/** + Encrypts a block of text with AES + @param pt The input plaintext (16 bytes) + @param ct The output ciphertext (16 bytes) + @param skey The key as scheduled + @return CRYPT_OK if successful +*/ +int ECB_ENC(const unsigned char *pt, unsigned char *ct, symmetric_key *skey) +{ + struct aes_asm_keypair *keypair = NULL; + LTC_ARGCHK(pt != NULL); + LTC_ARGCHK(ct != NULL); + LTC_ARGCHK(skey != NULL); + + keypair = skey->data; + AES_encrypt(pt, ct, &keypair->enc); + + return CRYPT_OK; +} + +/** + Decrypts a block of text with AES + @param ct The input ciphertext (16 bytes) + @param pt The output plaintext (16 bytes) + @param skey The key as scheduled + @return CRYPT_OK if successful +*/ +int ECB_DEC(const unsigned char *ct, unsigned char *pt, symmetric_key *skey) +{ + struct aes_asm_keypair *keypair = NULL; + + LTC_ARGCHK(pt != NULL); + LTC_ARGCHK(ct != NULL); + LTC_ARGCHK(skey != NULL); + + keypair = skey->data; + AES_encrypt(pt, ct, &keypair->enc); + + return CRYPT_OK; +} + +#ifdef LTC_CLEAN_STACK +#error No clean stack support in ASM AES +#endif + +/** + Performs a self-test of the AES block cipher + @return CRYPT_OK if functional, CRYPT_NOP if self-test has been disabled +*/ +int ECB_TEST(void) +{ + #ifndef LTC_TEST + return CRYPT_NOP; + #else + int err; + static const struct { + int keylen; + unsigned char key[32], pt[16], ct[16]; + } tests[] = { + { 16, + { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, + 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f }, + { 0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, + 0x88, 0x99, 0xaa, 0xbb, 0xcc, 0xdd, 0xee, 0xff }, + { 0x69, 0xc4, 0xe0, 0xd8, 0x6a, 0x7b, 0x04, 0x30, + 0xd8, 0xcd, 0xb7, 0x80, 0x70, 0xb4, 0xc5, 0x5a } + }, { + 24, + { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, + 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, + 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17 }, + { 0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, + 0x88, 0x99, 0xaa, 0xbb, 0xcc, 0xdd, 0xee, 0xff }, + { 0xdd, 0xa9, 0x7c, 0xa4, 0x86, 0x4c, 0xdf, 0xe0, + 0x6e, 0xaf, 0x70, 0xa0, 0xec, 0x0d, 0x71, 0x91 } + }, { + 32, + { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, + 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, + 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, + 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f }, + { 0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, + 0x88, 0x99, 0xaa, 0xbb, 0xcc, 0xdd, 0xee, 0xff }, + { 0x8e, 0xa2, 0xb7, 0xca, 0x51, 0x67, 0x45, 0xbf, + 0xea, 0xfc, 0x49, 0x90, 0x4b, 0x49, 0x60, 0x89 } + } + }; + + symmetric_key key; + unsigned char tmp[2][16]; + int i, y; + + for (i = 0; i < (int)(sizeof(tests)/sizeof(tests[0])); i++) { + zeromem(&key, sizeof(key)); + if ((err = rijndael_setup(tests[i].key, tests[i].keylen, 0, &key)) != CRYPT_OK) { + return err; + } + + rijndael_ecb_encrypt(tests[i].pt, tmp[0], &key); + rijndael_ecb_decrypt(tmp[0], tmp[1], &key); + if (XMEMCMP(tmp[0], tests[i].ct, 16) || XMEMCMP(tmp[1], tests[i].pt, 16)) { +#if 0 + printf("\n\nTest %d failed\n", i); + if (XMEMCMP(tmp[0], tests[i].ct, 16)) { + printf("CT: "); + for (i = 0; i < 16; i++) { + printf("%02x ", tmp[0][i]); + } + printf("\n"); + } else { + printf("PT: "); + for (i = 0; i < 16; i++) { + printf("%02x ", tmp[1][i]); + } + printf("\n"); + } +#endif + return CRYPT_FAIL_TESTVECTOR; + } + + /* now see if we can encrypt all zero bytes 1000 times, decrypt and come back where we started */ + for (y = 0; y < 16; y++) tmp[0][y] = 0; + for (y = 0; y < 1000; y++) rijndael_ecb_encrypt(tmp[0], tmp[0], &key); + for (y = 0; y < 1000; y++) rijndael_ecb_decrypt(tmp[0], tmp[0], &key); + for (y = 0; y < 16; y++) if (tmp[0][y] != 0) return CRYPT_FAIL_TESTVECTOR; + } + return CRYPT_OK; + #endif +} + +/** Terminate the context + @param skey The scheduled key +*/ +void ECB_DONE(symmetric_key *skey) +{ + XFREE(skey->data); +} + + +/** + Gets suitable key size + @param keysize [in/out] The length of the recommended key (in bytes). This function will store the suitable size back in this variable. + @return CRYPT_OK if the input key size is acceptable. +*/ +int ECB_KS(int *keysize) +{ + LTC_ARGCHK(keysize != NULL); + + if (*keysize < 16) + return CRYPT_INVALID_KEYSIZE; + if (*keysize < 24) { + *keysize = 16; + return CRYPT_OK; + } else if (*keysize < 32) { + *keysize = 24; + return CRYPT_OK; + } else { + *keysize = 32; + return CRYPT_OK; + } +} + +const struct ltc_cipher_descriptor aes_asm_desc = +{ + "aes_asm", + 106, + 16, 32, 16, 10, + SETUP, ECB_ENC, ECB_DEC, ECB_TEST, ECB_DONE, ECB_KS, + NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL +}; + +#endif /* AES_ASM */ + + + +/* $Source: /cvs/libtom/libtomcrypt/src/ciphers/aes/aes.c,v $ */ +/* $Revision: 1.14 $ */ +/* $Date: 2006/11/08 23:01:06 $ */
--- a/common-algo.c Fri Oct 04 22:40:28 2013 +0800 +++ b/common-algo.c Sun Oct 06 21:49:15 2013 +0800 @@ -49,13 +49,28 @@ /* Remember to add new ciphers/hashes to regciphers/reghashes too */ +#ifdef DROPBEAR_AES_ASM +extern const struct ltc_cipher_descriptor aes_asm_desc; +#define DROPBEAR_AES_DESC (aes_asm_desc) +#else +#define DROPBEAR_AES_DESC (aes_desc) +#endif + +#ifdef DROPBEAR_SHA1_ASM +extern const struct ltc_hash_descriptor sha1_asm_desc; +#define DROPBEAR_SHA1_DESC (sha1_asm_desc) +#else +#define DROPBEAR_SHA1_DESC (sha1_desc) +#endif + + #ifdef DROPBEAR_AES256 static const struct dropbear_cipher dropbear_aes256 = - {&aes_desc, 32, 16}; + {&DROPBEAR_AES_DESC, 32, 16}; #endif #ifdef DROPBEAR_AES128 static const struct dropbear_cipher dropbear_aes128 = - {&aes_desc, 16, 16}; + {&DROPBEAR_AES_DESC, 16, 16}; #endif #ifdef DROPBEAR_BLOWFISH static const struct dropbear_cipher dropbear_blowfish = @@ -101,11 +116,11 @@ #ifdef DROPBEAR_SHA1_HMAC static const struct dropbear_hash dropbear_sha1 = - {&sha1_desc, 20, 20}; + {&DROPBEAR_SHA1_DESC, 20, 20}; #endif #ifdef DROPBEAR_SHA1_96_HMAC static const struct dropbear_hash dropbear_sha1_96 = - {&sha1_desc, 20, 12}; + {&DROPBEAR_SHA1_DESC, 20, 12}; #endif #ifdef DROPBEAR_SHA2_256_HMAC static const struct dropbear_hash dropbear_sha2_256 = @@ -191,8 +206,8 @@ #ifndef DISABLE_ZLIB algo_type ssh_compress[] = { - {"zlib", DROPBEAR_COMP_ZLIB, NULL, 1, NULL}, - {"[email protected]", DROPBEAR_COMP_ZLIB_DELAY, NULL, 1, NULL}, +// {"zlib", DROPBEAR_COMP_ZLIB, NULL, 1, NULL}, +// {"[email protected]", DROPBEAR_COMP_ZLIB_DELAY, NULL, 1, NULL}, {"none", DROPBEAR_COMP_NONE, NULL, 1, NULL}, {NULL, 0, NULL, 0, NULL} }; @@ -229,7 +244,7 @@ const struct ltc_cipher_descriptor *regciphers[] = { #ifdef DROPBEAR_AES - &aes_desc, + &DROPBEAR_AES_DESC, #endif #ifdef DROPBEAR_BLOWFISH &blowfish_desc, @@ -245,7 +260,7 @@ const struct ltc_hash_descriptor *reghashes[] = { /* we need sha1 for hostkey stuff regardless */ - &sha1_desc, + &DROPBEAR_SHA1_DESC, #ifdef DROPBEAR_MD5_HMAC &md5_desc, #endif
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/sha1-arm.S Sun Oct 06 21:49:15 2013 +0800 @@ -0,0 +1,453 @@ +//#include "arm_arch.h" +#define __ARM_ARCH__ 6 + +.text + +.global sha1_block_data_order +.type sha1_block_data_order,%function + +.align 2 +sha1_block_data_order: + stmdb sp!,{r4-r12,lr} + add r2,r1,r2,lsl#6 @ r2 to point at the end of r1 + ldmia r0,{r3,r4,r5,r6,r7} +.Lloop: + ldr r8,.LK_00_19 + mov r14,sp + sub sp,sp,#15*4 + mov r5,r5,ror#30 + mov r6,r6,ror#30 + mov r7,r7,ror#30 @ [6] +.L_00_15: +#if __ARM_ARCH__<7 + ldrb r10,[r1,#2] + ldrb r9,[r1,#3] + ldrb r11,[r1,#1] + add r7,r8,r7,ror#2 @ E+=K_00_19 + ldrb r12,[r1],#4 + orr r9,r9,r10,lsl#8 + eor r10,r5,r6 @ F_xx_xx + orr r9,r9,r11,lsl#16 + add r7,r7,r3,ror#27 @ E+=ROR(A,27) + orr r9,r9,r12,lsl#24 +#else + ldr r9,[r1],#4 @ handles unaligned + add r7,r8,r7,ror#2 @ E+=K_00_19 + eor r10,r5,r6 @ F_xx_xx + add r7,r7,r3,ror#27 @ E+=ROR(A,27) +#ifdef __ARMEL__ + rev r9,r9 @ byte swap +#endif +#endif + and r10,r4,r10,ror#2 + add r7,r7,r9 @ E+=X[i] + eor r10,r10,r6,ror#2 @ F_00_19(B,C,D) + str r9,[r14,#-4]! + add r7,r7,r10 @ E+=F_00_19(B,C,D) +#if __ARM_ARCH__<7 + ldrb r10,[r1,#2] + ldrb r9,[r1,#3] + ldrb r11,[r1,#1] + add r6,r8,r6,ror#2 @ E+=K_00_19 + ldrb r12,[r1],#4 + orr r9,r9,r10,lsl#8 + eor r10,r4,r5 @ F_xx_xx + orr r9,r9,r11,lsl#16 + add r6,r6,r7,ror#27 @ E+=ROR(A,27) + orr r9,r9,r12,lsl#24 +#else + ldr r9,[r1],#4 @ handles unaligned + add r6,r8,r6,ror#2 @ E+=K_00_19 + eor r10,r4,r5 @ F_xx_xx + add r6,r6,r7,ror#27 @ E+=ROR(A,27) +#ifdef __ARMEL__ + rev r9,r9 @ byte swap +#endif +#endif + and r10,r3,r10,ror#2 + add r6,r6,r9 @ E+=X[i] + eor r10,r10,r5,ror#2 @ F_00_19(B,C,D) + str r9,[r14,#-4]! + add r6,r6,r10 @ E+=F_00_19(B,C,D) +#if __ARM_ARCH__<7 + ldrb r10,[r1,#2] + ldrb r9,[r1,#3] + ldrb r11,[r1,#1] + add r5,r8,r5,ror#2 @ E+=K_00_19 + ldrb r12,[r1],#4 + orr r9,r9,r10,lsl#8 + eor r10,r3,r4 @ F_xx_xx + orr r9,r9,r11,lsl#16 + add r5,r5,r6,ror#27 @ E+=ROR(A,27) + orr r9,r9,r12,lsl#24 +#else + ldr r9,[r1],#4 @ handles unaligned + add r5,r8,r5,ror#2 @ E+=K_00_19 + eor r10,r3,r4 @ F_xx_xx + add r5,r5,r6,ror#27 @ E+=ROR(A,27) +#ifdef __ARMEL__ + rev r9,r9 @ byte swap +#endif +#endif + and r10,r7,r10,ror#2 + add r5,r5,r9 @ E+=X[i] + eor r10,r10,r4,ror#2 @ F_00_19(B,C,D) + str r9,[r14,#-4]! + add r5,r5,r10 @ E+=F_00_19(B,C,D) +#if __ARM_ARCH__<7 + ldrb r10,[r1,#2] + ldrb r9,[r1,#3] + ldrb r11,[r1,#1] + add r4,r8,r4,ror#2 @ E+=K_00_19 + ldrb r12,[r1],#4 + orr r9,r9,r10,lsl#8 + eor r10,r7,r3 @ F_xx_xx + orr r9,r9,r11,lsl#16 + add r4,r4,r5,ror#27 @ E+=ROR(A,27) + orr r9,r9,r12,lsl#24 +#else + ldr r9,[r1],#4 @ handles unaligned + add r4,r8,r4,ror#2 @ E+=K_00_19 + eor r10,r7,r3 @ F_xx_xx + add r4,r4,r5,ror#27 @ E+=ROR(A,27) +#ifdef __ARMEL__ + rev r9,r9 @ byte swap +#endif +#endif + and r10,r6,r10,ror#2 + add r4,r4,r9 @ E+=X[i] + eor r10,r10,r3,ror#2 @ F_00_19(B,C,D) + str r9,[r14,#-4]! + add r4,r4,r10 @ E+=F_00_19(B,C,D) +#if __ARM_ARCH__<7 + ldrb r10,[r1,#2] + ldrb r9,[r1,#3] + ldrb r11,[r1,#1] + add r3,r8,r3,ror#2 @ E+=K_00_19 + ldrb r12,[r1],#4 + orr r9,r9,r10,lsl#8 + eor r10,r6,r7 @ F_xx_xx + orr r9,r9,r11,lsl#16 + add r3,r3,r4,ror#27 @ E+=ROR(A,27) + orr r9,r9,r12,lsl#24 +#else + ldr r9,[r1],#4 @ handles unaligned + add r3,r8,r3,ror#2 @ E+=K_00_19 + eor r10,r6,r7 @ F_xx_xx + add r3,r3,r4,ror#27 @ E+=ROR(A,27) +#ifdef __ARMEL__ + rev r9,r9 @ byte swap +#endif +#endif + and r10,r5,r10,ror#2 + add r3,r3,r9 @ E+=X[i] + eor r10,r10,r7,ror#2 @ F_00_19(B,C,D) + str r9,[r14,#-4]! + add r3,r3,r10 @ E+=F_00_19(B,C,D) + teq r14,sp + bne .L_00_15 @ [((11+4)*5+2)*3] + sub sp,sp,#25*4 +#if __ARM_ARCH__<7 + ldrb r10,[r1,#2] + ldrb r9,[r1,#3] + ldrb r11,[r1,#1] + add r7,r8,r7,ror#2 @ E+=K_00_19 + ldrb r12,[r1],#4 + orr r9,r9,r10,lsl#8 + eor r10,r5,r6 @ F_xx_xx + orr r9,r9,r11,lsl#16 + add r7,r7,r3,ror#27 @ E+=ROR(A,27) + orr r9,r9,r12,lsl#24 +#else + ldr r9,[r1],#4 @ handles unaligned + add r7,r8,r7,ror#2 @ E+=K_00_19 + eor r10,r5,r6 @ F_xx_xx + add r7,r7,r3,ror#27 @ E+=ROR(A,27) +#ifdef __ARMEL__ + rev r9,r9 @ byte swap +#endif +#endif + and r10,r4,r10,ror#2 + add r7,r7,r9 @ E+=X[i] + eor r10,r10,r6,ror#2 @ F_00_19(B,C,D) + str r9,[r14,#-4]! + add r7,r7,r10 @ E+=F_00_19(B,C,D) + ldr r9,[r14,#15*4] + ldr r10,[r14,#13*4] + ldr r11,[r14,#7*4] + add r6,r8,r6,ror#2 @ E+=K_xx_xx + ldr r12,[r14,#2*4] + eor r9,r9,r10 + eor r11,r11,r12 @ 1 cycle stall + eor r10,r4,r5 @ F_xx_xx + mov r9,r9,ror#31 + add r6,r6,r7,ror#27 @ E+=ROR(A,27) + eor r9,r9,r11,ror#31 + str r9,[r14,#-4]! + and r10,r3,r10,ror#2 @ F_xx_xx + @ F_xx_xx + add r6,r6,r9 @ E+=X[i] + eor r10,r10,r5,ror#2 @ F_00_19(B,C,D) + add r6,r6,r10 @ E+=F_00_19(B,C,D) + ldr r9,[r14,#15*4] + ldr r10,[r14,#13*4] + ldr r11,[r14,#7*4] + add r5,r8,r5,ror#2 @ E+=K_xx_xx + ldr r12,[r14,#2*4] + eor r9,r9,r10 + eor r11,r11,r12 @ 1 cycle stall + eor r10,r3,r4 @ F_xx_xx + mov r9,r9,ror#31 + add r5,r5,r6,ror#27 @ E+=ROR(A,27) + eor r9,r9,r11,ror#31 + str r9,[r14,#-4]! + and r10,r7,r10,ror#2 @ F_xx_xx + @ F_xx_xx + add r5,r5,r9 @ E+=X[i] + eor r10,r10,r4,ror#2 @ F_00_19(B,C,D) + add r5,r5,r10 @ E+=F_00_19(B,C,D) + ldr r9,[r14,#15*4] + ldr r10,[r14,#13*4] + ldr r11,[r14,#7*4] + add r4,r8,r4,ror#2 @ E+=K_xx_xx + ldr r12,[r14,#2*4] + eor r9,r9,r10 + eor r11,r11,r12 @ 1 cycle stall + eor r10,r7,r3 @ F_xx_xx + mov r9,r9,ror#31 + add r4,r4,r5,ror#27 @ E+=ROR(A,27) + eor r9,r9,r11,ror#31 + str r9,[r14,#-4]! + and r10,r6,r10,ror#2 @ F_xx_xx + @ F_xx_xx + add r4,r4,r9 @ E+=X[i] + eor r10,r10,r3,ror#2 @ F_00_19(B,C,D) + add r4,r4,r10 @ E+=F_00_19(B,C,D) + ldr r9,[r14,#15*4] + ldr r10,[r14,#13*4] + ldr r11,[r14,#7*4] + add r3,r8,r3,ror#2 @ E+=K_xx_xx + ldr r12,[r14,#2*4] + eor r9,r9,r10 + eor r11,r11,r12 @ 1 cycle stall + eor r10,r6,r7 @ F_xx_xx + mov r9,r9,ror#31 + add r3,r3,r4,ror#27 @ E+=ROR(A,27) + eor r9,r9,r11,ror#31 + str r9,[r14,#-4]! + and r10,r5,r10,ror#2 @ F_xx_xx + @ F_xx_xx + add r3,r3,r9 @ E+=X[i] + eor r10,r10,r7,ror#2 @ F_00_19(B,C,D) + add r3,r3,r10 @ E+=F_00_19(B,C,D) + + ldr r8,.LK_20_39 @ [+15+16*4] + cmn sp,#0 @ [+3], clear carry to denote 20_39 +.L_20_39_or_60_79: + ldr r9,[r14,#15*4] + ldr r10,[r14,#13*4] + ldr r11,[r14,#7*4] + add r7,r8,r7,ror#2 @ E+=K_xx_xx + ldr r12,[r14,#2*4] + eor r9,r9,r10 + eor r11,r11,r12 @ 1 cycle stall + eor r10,r5,r6 @ F_xx_xx + mov r9,r9,ror#31 + add r7,r7,r3,ror#27 @ E+=ROR(A,27) + eor r9,r9,r11,ror#31 + str r9,[r14,#-4]! + eor r10,r4,r10,ror#2 @ F_xx_xx + @ F_xx_xx + add r7,r7,r9 @ E+=X[i] + add r7,r7,r10 @ E+=F_20_39(B,C,D) + ldr r9,[r14,#15*4] + ldr r10,[r14,#13*4] + ldr r11,[r14,#7*4] + add r6,r8,r6,ror#2 @ E+=K_xx_xx + ldr r12,[r14,#2*4] + eor r9,r9,r10 + eor r11,r11,r12 @ 1 cycle stall + eor r10,r4,r5 @ F_xx_xx + mov r9,r9,ror#31 + add r6,r6,r7,ror#27 @ E+=ROR(A,27) + eor r9,r9,r11,ror#31 + str r9,[r14,#-4]! + eor r10,r3,r10,ror#2 @ F_xx_xx + @ F_xx_xx + add r6,r6,r9 @ E+=X[i] + add r6,r6,r10 @ E+=F_20_39(B,C,D) + ldr r9,[r14,#15*4] + ldr r10,[r14,#13*4] + ldr r11,[r14,#7*4] + add r5,r8,r5,ror#2 @ E+=K_xx_xx + ldr r12,[r14,#2*4] + eor r9,r9,r10 + eor r11,r11,r12 @ 1 cycle stall + eor r10,r3,r4 @ F_xx_xx + mov r9,r9,ror#31 + add r5,r5,r6,ror#27 @ E+=ROR(A,27) + eor r9,r9,r11,ror#31 + str r9,[r14,#-4]! + eor r10,r7,r10,ror#2 @ F_xx_xx + @ F_xx_xx + add r5,r5,r9 @ E+=X[i] + add r5,r5,r10 @ E+=F_20_39(B,C,D) + ldr r9,[r14,#15*4] + ldr r10,[r14,#13*4] + ldr r11,[r14,#7*4] + add r4,r8,r4,ror#2 @ E+=K_xx_xx + ldr r12,[r14,#2*4] + eor r9,r9,r10 + eor r11,r11,r12 @ 1 cycle stall + eor r10,r7,r3 @ F_xx_xx + mov r9,r9,ror#31 + add r4,r4,r5,ror#27 @ E+=ROR(A,27) + eor r9,r9,r11,ror#31 + str r9,[r14,#-4]! + eor r10,r6,r10,ror#2 @ F_xx_xx + @ F_xx_xx + add r4,r4,r9 @ E+=X[i] + add r4,r4,r10 @ E+=F_20_39(B,C,D) + ldr r9,[r14,#15*4] + ldr r10,[r14,#13*4] + ldr r11,[r14,#7*4] + add r3,r8,r3,ror#2 @ E+=K_xx_xx + ldr r12,[r14,#2*4] + eor r9,r9,r10 + eor r11,r11,r12 @ 1 cycle stall + eor r10,r6,r7 @ F_xx_xx + mov r9,r9,ror#31 + add r3,r3,r4,ror#27 @ E+=ROR(A,27) + eor r9,r9,r11,ror#31 + str r9,[r14,#-4]! + eor r10,r5,r10,ror#2 @ F_xx_xx + @ F_xx_xx + add r3,r3,r9 @ E+=X[i] + add r3,r3,r10 @ E+=F_20_39(B,C,D) + teq r14,sp @ preserve carry + bne .L_20_39_or_60_79 @ [+((12+3)*5+2)*4] + bcs .L_done @ [+((12+3)*5+2)*4], spare 300 bytes + + ldr r8,.LK_40_59 + sub sp,sp,#20*4 @ [+2] +.L_40_59: + ldr r9,[r14,#15*4] + ldr r10,[r14,#13*4] + ldr r11,[r14,#7*4] + add r7,r8,r7,ror#2 @ E+=K_xx_xx + ldr r12,[r14,#2*4] + eor r9,r9,r10 + eor r11,r11,r12 @ 1 cycle stall + eor r10,r5,r6 @ F_xx_xx + mov r9,r9,ror#31 + add r7,r7,r3,ror#27 @ E+=ROR(A,27) + eor r9,r9,r11,ror#31 + str r9,[r14,#-4]! + and r10,r4,r10,ror#2 @ F_xx_xx + and r11,r5,r6 @ F_xx_xx + add r7,r7,r9 @ E+=X[i] + add r7,r7,r10 @ E+=F_40_59(B,C,D) + add r7,r7,r11,ror#2 + ldr r9,[r14,#15*4] + ldr r10,[r14,#13*4] + ldr r11,[r14,#7*4] + add r6,r8,r6,ror#2 @ E+=K_xx_xx + ldr r12,[r14,#2*4] + eor r9,r9,r10 + eor r11,r11,r12 @ 1 cycle stall + eor r10,r4,r5 @ F_xx_xx + mov r9,r9,ror#31 + add r6,r6,r7,ror#27 @ E+=ROR(A,27) + eor r9,r9,r11,ror#31 + str r9,[r14,#-4]! + and r10,r3,r10,ror#2 @ F_xx_xx + and r11,r4,r5 @ F_xx_xx + add r6,r6,r9 @ E+=X[i] + add r6,r6,r10 @ E+=F_40_59(B,C,D) + add r6,r6,r11,ror#2 + ldr r9,[r14,#15*4] + ldr r10,[r14,#13*4] + ldr r11,[r14,#7*4] + add r5,r8,r5,ror#2 @ E+=K_xx_xx + ldr r12,[r14,#2*4] + eor r9,r9,r10 + eor r11,r11,r12 @ 1 cycle stall + eor r10,r3,r4 @ F_xx_xx + mov r9,r9,ror#31 + add r5,r5,r6,ror#27 @ E+=ROR(A,27) + eor r9,r9,r11,ror#31 + str r9,[r14,#-4]! + and r10,r7,r10,ror#2 @ F_xx_xx + and r11,r3,r4 @ F_xx_xx + add r5,r5,r9 @ E+=X[i] + add r5,r5,r10 @ E+=F_40_59(B,C,D) + add r5,r5,r11,ror#2 + ldr r9,[r14,#15*4] + ldr r10,[r14,#13*4] + ldr r11,[r14,#7*4] + add r4,r8,r4,ror#2 @ E+=K_xx_xx + ldr r12,[r14,#2*4] + eor r9,r9,r10 + eor r11,r11,r12 @ 1 cycle stall + eor r10,r7,r3 @ F_xx_xx + mov r9,r9,ror#31 + add r4,r4,r5,ror#27 @ E+=ROR(A,27) + eor r9,r9,r11,ror#31 + str r9,[r14,#-4]! + and r10,r6,r10,ror#2 @ F_xx_xx + and r11,r7,r3 @ F_xx_xx + add r4,r4,r9 @ E+=X[i] + add r4,r4,r10 @ E+=F_40_59(B,C,D) + add r4,r4,r11,ror#2 + ldr r9,[r14,#15*4] + ldr r10,[r14,#13*4] + ldr r11,[r14,#7*4] + add r3,r8,r3,ror#2 @ E+=K_xx_xx + ldr r12,[r14,#2*4] + eor r9,r9,r10 + eor r11,r11,r12 @ 1 cycle stall + eor r10,r6,r7 @ F_xx_xx + mov r9,r9,ror#31 + add r3,r3,r4,ror#27 @ E+=ROR(A,27) + eor r9,r9,r11,ror#31 + str r9,[r14,#-4]! + and r10,r5,r10,ror#2 @ F_xx_xx + and r11,r6,r7 @ F_xx_xx + add r3,r3,r9 @ E+=X[i] + add r3,r3,r10 @ E+=F_40_59(B,C,D) + add r3,r3,r11,ror#2 + teq r14,sp + bne .L_40_59 @ [+((12+5)*5+2)*4] + + ldr r8,.LK_60_79 + sub sp,sp,#20*4 + cmp sp,#0 @ set carry to denote 60_79 + b .L_20_39_or_60_79 @ [+4], spare 300 bytes +.L_done: + add sp,sp,#80*4 @ "deallocate" stack frame + ldmia r0,{r8,r9,r10,r11,r12} + add r3,r8,r3 + add r4,r9,r4 + add r5,r10,r5,ror#2 + add r6,r11,r6,ror#2 + add r7,r12,r7,ror#2 + stmia r0,{r3,r4,r5,r6,r7} + teq r1,r2 + bne .Lloop @ [+18], total 1307 + +#if __ARM_ARCH__>=5 + ldmia sp!,{r4-r12,pc} +#else + ldmia sp!,{r4-r12,lr} + tst lr,#1 + moveq pc,lr @ be binary compatible with V4, yet + .word 0xe12fff1e @ interoperable with Thumb ISA:-) +#endif +.align 2 +.LK_00_19: .word 0x5a827999 +.LK_20_39: .word 0x6ed9eba1 +.LK_40_59: .word 0x8f1bbcdc +.LK_60_79: .word 0xca62c1d6 +.size sha1_block_data_order,.-sha1_block_data_order +.asciz "SHA1 block transform for ARMv4, CRYPTOGAMS by <[email protected]>" +.align 2
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/sha1-asm-ltc.c Sun Oct 06 21:49:15 2013 +0800 @@ -0,0 +1,175 @@ +/* LibTomCrypt, modular cryptographic library -- Tom St Denis + * + * LibTomCrypt is a library that provides various cryptographic + * algorithms in a highly modular and flexible manner. + * + * The library is free for all purposes without any express + * guarantee it works. + * + * Tom St Denis, [email protected], http://libtomcrypt.com + */ +#include "tomcrypt.h" + +/** + @file sha1.c + SHA1 code by Tom St Denis +*/ + + +#ifdef DROPBEAR_SHA1_ASM + +const struct ltc_hash_descriptor sha1_asm_desc = +{ + "sha1_asm", + 102, + 20, + 64, + + /* OID */ + { 1, 3, 14, 3, 2, 26, }, + 6, + + &sha1_init, + &sha1_process, + &sha1_done, + &sha1_test, + NULL +}; + +/** + Initialize the hash state + @param md The hash state you wish to initialize + @return CRYPT_OK if successful +*/ +int sha1_init(hash_state * md) +{ + LTC_ARGCHK(md != NULL); + md->sha1.state[0] = 0x67452301UL; + md->sha1.state[1] = 0xefcdab89UL; + md->sha1.state[2] = 0x98badcfeUL; + md->sha1.state[3] = 0x10325476UL; + md->sha1.state[4] = 0xc3d2e1f0UL; + md->sha1.curlen = 0; + md->sha1.length = 0; + return CRYPT_OK; +} + +void sha1_block_data_order(void* state_vars, const unsigned char *buf, size_t num); + +static int sha1_asm_compress(hash_state *md, unsigned char *buf) +{ + sha1_block_data_order(&md->sha1.state, buf, 1); + return CRYPT_OK; +} + +/** + Process a block of memory though the hash + @param md The hash state + @param in The data to hash + @param inlen The length of the data (octets) + @return CRYPT_OK if successful +*/ +HASH_PROCESS(sha1_process, sha1_asm_compress, sha1, 64) + +/** + Terminate the hash to get the digest + @param md The hash state + @param out [out] The destination of the hash (20 bytes) + @return CRYPT_OK if successful +*/ +int sha1_done(hash_state * md, unsigned char *out) +{ + int i; + + LTC_ARGCHK(md != NULL); + LTC_ARGCHK(out != NULL); + + if (md->sha1.curlen >= sizeof(md->sha1.buf)) { + return CRYPT_INVALID_ARG; + } + + /* increase the length of the message */ + md->sha1.length += md->sha1.curlen * 8; + + /* append the '1' bit */ + md->sha1.buf[md->sha1.curlen++] = (unsigned char)0x80; + + /* if the length is currently above 56 bytes we append zeros + * then compress. Then we can fall back to padding zeros and length + * encoding like normal. + */ + if (md->sha1.curlen > 56) { + while (md->sha1.curlen < 64) { + md->sha1.buf[md->sha1.curlen++] = (unsigned char)0; + } + sha1_asm_compress(md, md->sha1.buf); + md->sha1.curlen = 0; + } + + /* pad upto 56 bytes of zeroes */ + while (md->sha1.curlen < 56) { + md->sha1.buf[md->sha1.curlen++] = (unsigned char)0; + } + + /* store length */ + STORE64H(md->sha1.length, md->sha1.buf+56); + sha1_asm_compress(md, md->sha1.buf); + + /* copy output */ + for (i = 0; i < 5; i++) { + STORE32H(md->sha1.state[i], out+(4*i)); + } +#ifdef LTC_CLEAN_STACK + zeromem(md, sizeof(hash_state)); +#endif + return CRYPT_OK; +} + +/** + Self-test the hash + @return CRYPT_OK if successful, CRYPT_NOP if self-tests have been disabled +*/ +int sha1_test(void) +{ + #ifndef LTC_TEST + return CRYPT_NOP; + #else + static const struct { + char *msg; + unsigned char hash[20]; + } tests[] = { + { "abc", + { 0xa9, 0x99, 0x3e, 0x36, 0x47, 0x06, 0x81, 0x6a, + 0xba, 0x3e, 0x25, 0x71, 0x78, 0x50, 0xc2, 0x6c, + 0x9c, 0xd0, 0xd8, 0x9d } + }, + { "abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq", + { 0x84, 0x98, 0x3E, 0x44, 0x1C, 0x3B, 0xD2, 0x6E, + 0xBA, 0xAE, 0x4A, 0xA1, 0xF9, 0x51, 0x29, 0xE5, + 0xE5, 0x46, 0x70, 0xF1 } + } + }; + + int i; + unsigned char tmp[20]; + hash_state md; + + for (i = 0; i < (int)(sizeof(tests) / sizeof(tests[0])); i++) { + sha1_init(&md); + sha1_process(&md, (unsigned char*)tests[i].msg, (unsigned long)strlen(tests[i].msg)); + sha1_done(&md, tmp); + if (XMEMCMP(tmp, tests[i].hash, 20) != 0) { + return CRYPT_FAIL_TESTVECTOR; + } + } + return CRYPT_OK; + #endif +} + +#endif + + + +/* $Source: /cvs/libtom/libtomcrypt/src/hashes/sha1.c,v $ */ +/* $Revision: 1.8 $ */ +/* $Date: 2006/11/01 09:28:17 $ */