--- /dev/null
+my @C = map("r$_",(0..9));
+my @E = map("r$_",(10..12,14));
+
+my @A = map([ 8*$_, 8*($_+1), 8*($_+2), 8*($_+3), 8*($_+4) ], (0,5,10,15,20));
+my @D = map(8*$_, (25..29));
+my @T = map([ 8*$_, 8*($_+1), 8*($_+2), 8*($_+3), 8*($_+4) ], (30,35));
+
+$code.=<<___;
+.text
+
+.type iotas,%object
+.align 5
+iotas:
+ .long 0x00000001, 0x00000000
+ .long 0x00000000, 0x00000089
+ .long 0x00000000, 0x8000008b
+ .long 0x00000000, 0x80008080
+ .long 0x00000001, 0x0000008b
+ .long 0x00000001, 0x00008000
+ .long 0x00000001, 0x80008088
+ .long 0x00000001, 0x80000082
+ .long 0x00000000, 0x0000000b
+ .long 0x00000000, 0x0000000a
+ .long 0x00000001, 0x00008082
+ .long 0x00000000, 0x00008003
+ .long 0x00000001, 0x0000808b
+ .long 0x00000001, 0x8000000b
+ .long 0x00000001, 0x8000008a
+ .long 0x00000001, 0x80000081
+ .long 0x00000000, 0x80000081
+ .long 0x00000000, 0x80000008
+ .long 0x00000000, 0x00000083
+ .long 0x00000000, 0x80008003
+ .long 0x00000001, 0x80008088
+ .long 0x00000000, 0x80000088
+ .long 0x00000001, 0x00008000
+ .long 0x00000000, 0x80008082
+.size iostas,.-iotas
+
+.global KeccakF1600
+.type KeccakF1600, %function
+.align 5
+KeccakF1600:
+ eor r1,r1,r1
+ stmdb sp!,{r0,r1,r4-r12,lr}
+ sub sp,sp,#320 @ space for A[5][5],D[5],T[2][5]
+
+ add @E[0],r0,#$A[1][0]
+ add @E[1],sp,#$A[1][0]
+ mov @E[2],r0
+ ldmia @E[0]!,{@C[0]-@C[9]} @ copy A[5][5] to stack
+ stmia @E[1]!,{@C[0]-@C[9]}
+ ldmia @E[0]!,{@C[0]-@C[9]}
+ stmia @E[1]!,{@C[0]-@C[9]}
+ ldmia @E[0]!,{@C[0]-@C[9]}
+ stmia @E[1]!,{@C[0]-@C[9]}
+ ldmia @E[0],{@C[0]-@C[9]}
+ stmia @E[1],{@C[0]-@C[9]}
+ ldmia @E[2],{@C[0]-@C[9]}
+ stmia sp,{@C[0]-@C[9]}
+ add @E[0],sp,#$A[1][0]
+ b .Lround
+
+.align 4
+.Lround:
+ ldmia @E[0],{@E[0]-@E[2],@E[3]} @ A[1][0..1]
+ eor @C[0],@C[0],@E[0]
+ add @E[0],sp,#$A[1][2]
+ eor @C[1],@C[1],@E[1]
+ eor @C[2],@C[2],@E[2]
+ eor @C[3],@C[3],@E[3]
+ ldmia @E[0],{@E[0]-@E[2],@E[3]} @ A[1][2..3]
+ eor @C[4],@C[4],@E[0]
+ add @E[0],sp,#$A[1][4]
+ eor @C[5],@C[5],@E[1]
+ eor @C[6],@C[6],@E[2]
+ eor @C[7],@C[7],@E[3]
+ ldmia @E[0],{@E[0]-@E[2],@E[3]} @ A[1][4]..A[2][0]
+ eor @C[8],@C[8],@E[0]
+ add @E[0],sp,#$A[2][1]
+ eor @C[9],@C[9],@E[1]
+ eor @C[0],@C[0],@E[2]
+ eor @C[1],@C[1],@E[3]
+ ldmia @E[0],{@E[0]-@E[2],@E[3]} @ A[2][1..2]
+ eor @C[2],@C[2],@E[0]
+ add @E[0],sp,#$A[2][3]
+ eor @C[3],@C[3],@E[1]
+ eor @C[4],@C[4],@E[2]
+ eor @C[5],@C[5],@E[3]
+ ldmia @E[0],{@E[0]-@E[2],@E[3]} @ A[2][3..4]
+ eor @C[6],@C[6],@E[0]
+ add @E[0],sp,#$A[3][0]
+ eor @C[7],@C[7],@E[1]
+ eor @C[8],@C[8],@E[2]
+ eor @C[9],@C[9],@E[3]
+ ldmia @E[0],{@E[0]-@E[2],@E[3]} @ A[3][0..1]
+ eor @C[0],@C[0],@E[0]
+ add @E[0],sp,#$A[3][2]
+ eor @C[1],@C[1],@E[1]
+ eor @C[2],@C[2],@E[2]
+ eor @C[3],@C[3],@E[3]
+ ldmia @E[0],{@E[0]-@E[2],@E[3]} @ A[3][2..3]
+ eor @C[4],@C[4],@E[0]
+ add @E[0],sp,#$A[3][4]
+ eor @C[5],@C[5],@E[1]
+ eor @C[6],@C[6],@E[2]
+ eor @C[7],@C[7],@E[3]
+ ldmia @E[0],{@E[0]-@E[2],@E[3]} @ A[3][4]..A[4][0]
+ eor @C[8],@C[8],@E[0]
+ add @E[0],sp,#$A[4][1]
+ eor @C[9],@C[9],@E[1]
+ eor @C[0],@C[0],@E[2]
+ eor @C[1],@C[1],@E[3]
+ ldmia @E[0],{@E[0]-@E[2],@E[3]} @ A[4][1..2]
+ eor @C[2],@C[2],@E[0]
+ add @E[0],sp,#$A[4][3]
+ eor @C[3],@C[3],@E[1]
+ eor @C[4],@C[4],@E[2]
+ eor @C[5],@C[5],@E[3]
+ ldmia @E[0],{@E[0]-@E[2],@E[3]} @ A[4][3..4]
+ eor @C[6],@C[6],@E[0]
+ eor @C[7],@C[7],@E[1]
+ eor @C[8],@C[8],@E[2]
+ eor @C[9],@C[9],@E[3]
+
+ eor @E[0],@C[0],@C[5],ror#32-1 @ E[0] = ROL64(C[2], 1) ^ C[0];
+ eor @E[1],@C[1],@C[4]
+ str @E[0],[sp,#$D[1]] @ D[1] = E[0]
+ eor @E[2],@C[6],@C[1],ror#32-1 @ E[1] = ROL64(C[0], 1) ^ C[3];
+ str @E[1],[sp,#$D[1]+4]
+ eor @E[3],@C[7],@C[0]
+ str @E[2],[sp,#$D[4]] @ D[4] = E[1]
+ eor @C[0],@C[8],@C[3],ror#32-1 @ C[0] = ROL64(C[1], 1) ^ C[4];
+ str @E[3],[sp,#$D[4]+4]
+ eor @C[1],@C[9],@C[2]
+ str @C[0],[sp,#$D[0]] @ D[0] = C[0]
+ eor @C[2],@C[2],@C[7],ror#32-1 @ C[1] = ROL64(C[3], 1) ^ C[1];
+ str @C[1],[sp,#$D[0]+4]
+ eor @C[3],@C[3],@C[6]
+ str @C[2],[sp,#$D[2]] @ D[2] = C[1]
+ eor @C[4],@C[4],@C[9],ror#32-1 @ C[2] = ROL64(C[4], 1) ^ C[2];
+ str @C[3],[sp,#$D[2]+4]
+ eor @C[5],@C[5],@C[8]
+ str @C[4],[sp,#$D[3]] @ D[3] = C[2]
+ str @C[5],[sp,#$D[3]+4]
+
+ ldr @C[8],[sp,#$A[3][0]]
+ ldr @C[9],[sp,#$A[3][0]+4]
+ eor @C[8],@C[8],@C[0]
+ eor @C[9],@C[9],@C[1]
+ str @C[8],[sp,#$T[0][0]] @ T[0][0] = A[3][0] ^ C[0]; /* borrow T[0][0] */
+ str @C[9],[sp,#$T[0][0]+4]
+ ldr @C[6],[sp,#$A[0][1]]
+ ldr @C[7],[sp,#$A[0][1]+4]
+ eor @C[6],@C[6],@E[0]
+ eor @C[7],@C[7],@E[1]
+ str @C[6],[sp,#$T[0][1]] @ T[0][1] = A[0][1] ^ E[0]; /* D[1] */
+ str @C[7],[sp,#$T[0][1]+4]
+ ldr @C[8],[sp,#$A[0][2]]
+ ldr @C[9],[sp,#$A[0][2]+4]
+ eor @C[8],@C[8],@C[2]
+ eor @C[9],@C[9],@C[3]
+ str @C[8],[sp,#$T[0][2]] @ T[0][2] = A[0][2] ^ C[1]; /* D[2] */
+ str @C[9],[sp,#$T[0][2]+4]
+ ldr @C[6],[sp,#$A[0][3]]
+ ldr @C[7],[sp,#$A[0][3]+4]
+ eor @C[6],@C[6],@C[4]
+ eor @C[7],@C[7],@C[5]
+ str @C[6],[sp,#$T[0][3]] @ T[0][3] = A[0][3] ^ C[2]; /* D[3] */
+ str @C[7],[sp,#$T[0][3]+4]
+ ldr @C[8],[sp,#$A[0][4]]
+ ldr @C[9],[sp,#$A[0][4]+4]
+ eor @C[8],@C[8],@E[2]
+ eor @C[9],@C[9],@E[3]
+ str @C[8],[sp,#$T[0][4]] @ T[0][4] = A[0][4] ^ E[1]; /* D[4] */
+ str @C[9],[sp,#$T[0][4]+4]
+
+ ldr @C[6],[sp,#$A[3][3]]
+ ldr @C[7],[sp,#$A[3][3]+4]
+ eor @C[4],@C[4],@C[6]
+ eor @C[5],@C[5],@C[7]
+ ror @C[7],@C[4],#32-10 @ C[3] = ROL64(A[3][3] ^ C[2], rhotates[3][3]); /* D[3] */
+ ror @C[6],@C[5],#32-11
+ ldr @C[8],[sp,#$A[4][4]]
+ ldr @C[9],[sp,#$A[4][4]+4]
+ eor @C[8],@C[8],@E[2]
+ eor @C[9],@C[9],@E[3]
+ ror @C[8],@C[8],#32-7 @ C[4] = ROL64(A[4][4] ^ E[1], rhotates[4][4]); /* D[4] */
+ ror @C[9],@C[9],#32-7
+ ldr @C[4],[sp,#$A[0][0]]
+ ldr @C[5],[sp,#$A[0][0]+4]
+ eor @C[0],@C[0],@C[4]
+ eor @C[1],@C[1],@C[5] @ C[0] = A[0][0] ^ C[0]; /* rotate by 0 */ /* D[0] */
+ ldr @E[2],[sp,#$A[2][2]]
+ ldr @E[3],[sp,#$A[2][2]+4]
+ eor @E[2],@E[2],@C[2]
+ eor @E[3],@E[3],@C[3]
+ ror @C[5],@E[2],#32-21 @ C[2] = ROL64(A[2][2] ^ C[1], rhotates[2][2]); /* D[2] */
+ ror @C[4],@E[3],#32-22
+ ldr @C[2],[sp,#$A[1][1]]
+ ldr @C[3],[sp,#$A[1][1]+4]
+ eor @C[2],@C[2],@E[0]
+ eor @C[3],@C[3],@E[1]
+ ror @C[2],@C[2],#32-22 @ C[1] = ROL64(A[1][1] ^ E[0], rhotates[1][1]); /* D[1] */
+ ror @C[3],@C[3],#32-22
+
+ adr @E[0],iotas
+ ldr @E[1],[sp,#320+4] @ load counter
+ add @E[0],@E[0],@E[1]
+ ldr @E[2],[@E[0],#0]
+ ldr @E[3],[@E[0],#4]
+ add @E[1],@E[1],#8
+ str @E[1],[sp,#320+4] @ store counter
+ cmp @E[1],#192
+
+ bic @E[0],@C[4],@C[2]
+ bic @E[1],@C[5],@C[3]
+ eor @E[0],@E[0],@C[0]
+ eor @E[1],@E[1],@C[1]
+ eor @E[0],@E[0],@E[2]
+ eor @E[1],@E[1],@E[3]
+ str @E[0],[sp,#$A[0][0]] @ A[0][0] = C[0] ^ (~C[1] & C[2]) ^ iotas[i];
+ bic @E[2],@C[6],@C[4]
+ str @E[1],[sp,#$A[0][0]+4]
+ bic @E[3],@C[7],@C[5]
+ eor @E[2],@E[2],@C[2]
+ eor @E[3],@E[3],@C[3]
+ str @E[2],[sp,#$A[0][1]] @ A[0][1] = C[1] ^ (~C[2] & C[3]);
+ bic @E[0],@C[8],@C[6]
+ str @E[3],[sp,#$A[0][1]+4]
+ bic @E[1],@C[9],@C[7]
+ eor @E[0],@E[0],@C[4]
+ eor @E[1],@E[1],@C[5]
+ str @E[0],[sp,#$A[0][2]] @ A[0][2] = C[2] ^ (~C[3] & C[4]);
+ bic @E[2],@C[0],@C[8]
+ str @E[1],[sp,#$A[0][2]+4]
+ bic @E[3],@C[1],@C[9]
+ eor @E[2],@E[2],@C[6]
+ eor @E[3],@E[3],@C[7]
+ str @E[2],[sp,#$A[0][3]] @ A[0][3] = C[3] ^ (~C[4] & C[0]);
+ bic @E[0],@C[2],@C[0]
+ str @E[3],[sp,#$A[0][3]+4]
+ bic @E[1],@C[3],@C[1]
+ eor @E[0],@E[0],@C[8]
+ eor @E[1],@E[1],@C[9]
+ str @E[0],[sp,#$A[0][4]] @ A[0][4] = C[4] ^ (~C[0] & C[1]);
+ str @E[1],[sp,#$A[0][4]+4]
+
+ add @E[3],sp,#$D[0]
+ ldmia @E[3],{@C[6]-@C[9],@E[0],@E[1],@E[2],@E[3]} @ D[0..3]
+ ldr @C[4],[sp,#$D[4]]
+ ldr @C[5],[sp,#$D[4]+4]
+ ldr @C[0],[sp,#$A[1][0]]
+ ldr @C[1],[sp,#$A[1][0]+4]
+ eor @C[0],@C[0],@C[6]
+ eor @C[1],@C[1],@C[7]
+ str @C[0],[sp,#$T[1][0]] @ T[1][0] = A[1][0] ^ (C[3] = D[0]);
+ str @C[1],[sp,#$T[1][0]+4]
+ ldr @C[2],[sp,#$A[2][1]]
+ ldr @C[3],[sp,#$A[2][1]+4]
+ eor @C[2],@C[2],@C[8]
+ eor @C[3],@C[3],@C[9]
+ str @C[2],[sp,#$T[1][1]] @ T[1][1] = A[2][1] ^ (C[4] = D[1]); /* borrow T[1][1] */
+ str @C[3],[sp,#$T[1][1]+4]
+ add @C[0],sp,#$A[1][2]
+ ldmia @C[0],{@C[0]-@C[3]} @ A[1][2..3]
+ eor @C[0],@C[0],@E[0]
+ eor @C[1],@C[1],@E[1]
+ str @C[0],[sp,#$T[1][2]] @ T[1][2] = A[1][2] ^ (E[0] = D[2]);
+ str @C[1],[sp,#$T[1][2]+4]
+ eor @C[2],@C[2],@E[2]
+ eor @C[3],@C[3],@E[3]
+ str @C[2],[sp,#$T[1][3]] @ T[1][3] = A[1][3] ^ (E[1] = D[3]);
+ str @C[3],[sp,#$T[1][3]+4]
+ ldr @C[0],[sp,#$A[2][4]]
+ ldr @C[1],[sp,#$A[2][4]+4]
+ eor @C[0],@C[0],@C[4]
+ eor @C[1],@C[1],@C[5]
+ str @C[0],[sp,#$T[1][4]] @ T[1][4] = A[2][4] ^ (C[2] = D[4]); /* borrow T[1][4] */
+ str @C[1],[sp,#$T[1][4]+4]
+
+ ldr @C[2],[sp,#$T[0][3]]
+ ldr @C[3],[sp,#$T[0][3]+4]
+ ror @C[0],@C[2],#32-14 @ C[0] = ROL64(T[0][3], rhotates[0][3]);
+ ror @C[1],@C[3],#32-14
+ ldr @E[2],[sp,#$A[1][4]]
+ ldr @E[3],[sp,#$A[1][4]+4]
+ eor @C[2],@E[2],@C[4]
+ eor @C[3],@E[3],@C[5]
+ ror @C[2],@C[2],#32-10 @ C[1] = ROL64(A[1][4] ^ C[2], rhotates[1][4]); /* D[4] */
+ ror @C[3],@C[3],#32-10
+ ldr @C[4],[sp,#$A[2][0]]
+ ldr @C[5],[sp,#$A[2][0]+4]
+ eor @C[6],@C[6],@C[4]
+ eor @C[7],@C[7],@C[5]
+ ror @C[5],@C[6],#32-1 @ C[2] = ROL64(A[2][0] ^ C[3], rhotates[2][0]); /* D[0] */
+ ror @C[4],@C[7],#32-2
+ ldr @E[2],[sp,#$A[3][1]]
+ ldr @E[3],[sp,#$A[3][1]+4]
+ eor @E[2],@E[2],@C[8]
+ eor @E[3],@E[3],@C[9]
+ ror @C[7],@E[2],#32-22 @ C[3] = ROL64(A[3][1] ^ C[4], rhotates[3][1]); /* D[1] */
+ ror @C[6],@E[3],#32-23
+ ldr @C[8],[sp,#$A[4][2]]
+ ldr @C[9],[sp,#$A[4][2]+4]
+ eor @E[0],@E[0],@C[8]
+ eor @E[1],@E[1],@C[9]
+ ror @C[9],@E[0],#32-30 @ C[4] = ROL64(A[4][2] ^ E[0], rhotates[4][2]); /* D[2] */
+ ror @C[8],@E[1],#32-31
+
+ bic @E[0],@C[4],@C[2]
+ bic @E[1],@C[5],@C[3]
+ eor @E[0],@E[0],@C[0]
+ eor @E[1],@E[1],@C[1]
+ str @E[0],[sp,#$A[1][0]] @ A[1][0] = C[0] ^ (~C[1] & C[2])
+ bic @E[2],@C[6],@C[4]
+ str @E[1],[sp,#$A[1][0]+4]
+ bic @E[3],@C[7],@C[5]
+ eor @E[2],@E[2],@C[2]
+ eor @E[3],@E[3],@C[3]
+ str @E[2],[sp,#$A[1][1]] @ A[1][1] = C[1] ^ (~C[2] & C[3]);
+ bic @E[0],@C[8],@C[6]
+ str @E[3],[sp,#$A[1][1]+4]
+ bic @E[1],@C[9],@C[7]
+ eor @E[0],@E[0],@C[4]
+ eor @E[1],@E[1],@C[5]
+ str @E[0],[sp,#$A[1][2]] @ A[1][2] = C[2] ^ (~C[3] & C[4]);
+ bic @E[2],@C[0],@C[8]
+ str @E[1],[sp,#$A[1][2]+4]
+ bic @E[3],@C[1],@C[9]
+ eor @E[2],@E[2],@C[6]
+ eor @E[3],@E[3],@C[7]
+ str @E[2],[sp,#$A[1][3]] @ A[1][3] = C[3] ^ (~C[4] & C[0]);
+ bic @E[0],@C[2],@C[0]
+ str @E[3],[sp,#$A[1][3]+4]
+ bic @E[1],@C[3],@C[1]
+ eor @E[0],@E[0],@C[8]
+ eor @E[1],@E[1],@C[9]
+ str @E[0],[sp,#$A[1][4]] @ A[1][4] = C[4] ^ (~C[0] & C[1]);
+ str @E[1],[sp,#$A[1][4]+4]
+
+ ldr @C[1],[sp,#$T[0][1]]
+ ldr @C[0],[sp,#$T[0][1]+4]
+ ror @C[0],@C[0],#32-1 @ C[0] = ROL64(T[0][1], rhotates[0][1]);
+ ldr @C[2],[sp,#$T[1][2]]
+ ldr @C[3],[sp,#$T[1][2]+4]
+ ror @C[2],@C[2],#32-3 @ C[1] = ROL64(T[1][2], rhotates[1][2]);
+ ror @C[3],@C[3],#32-3
+ add @E[3],sp,#$D[3]
+ ldmia @E[3],{@E[0]-@E[2],@E[3]} @ D[3..4]
+ ldr @C[4],[sp,#$A[2][3]]
+ ldr @C[5],[sp,#$A[2][3]+4]
+ eor @E[0],@E[0],@C[4]
+ eor @E[1],@E[1],@C[5]
+ ror @C[5],@E[0],#32-12 @ C[2] = ROL64(A[2][3] ^ D[3], rhotates[2][3]);
+ ror @C[4],@E[1],#32-13
+ ldr @C[6],[sp,#$A[3][4]]
+ ldr @C[7],[sp,#$A[3][4]+4]
+ eor @C[6],@C[6],@E[2]
+ eor @C[7],@C[7],@E[3]
+ ror @C[6],@C[6],#32-4 @ C[3] = ROL64(A[3][4] ^ D[4], rhotates[3][4]);
+ ror @C[7],@C[7],#32-4
+ ldr @C[8],[sp,#$A[4][0]]
+ ldr @C[9],[sp,#$A[4][0]+4]
+ ldr @E[0],[sp,#$D[0]]
+ ldr @E[1],[sp,#$D[0]+4]
+ eor @C[8],@C[8],@E[0]
+ eor @C[9],@C[9],@E[1]
+ ror @C[8],@C[8],#32-9 @ C[4] = ROL64(A[4][0] ^ D[0], rhotates[4][0]);
+ ror @C[9],@C[9],#32-9
+
+ bic @E[0],@C[4],@C[2]
+ bic @E[1],@C[5],@C[3]
+ eor @E[0],@E[0],@C[0]
+ eor @E[1],@E[1],@C[1]
+ str @E[0],[sp,#$A[2][0]] @ A[2][0] = C[0] ^ (~C[1] & C[2])
+ bic @E[2],@C[6],@C[4]
+ str @E[1],[sp,#$A[2][0]+4]
+ bic @E[3],@C[7],@C[5]
+ eor @E[2],@E[2],@C[2]
+ eor @E[3],@E[3],@C[3]
+ str @E[2],[sp,#$A[2][1]] @ A[2][1] = C[1] ^ (~C[2] & C[3]);
+ bic @E[0],@C[8],@C[6]
+ str @E[3],[sp,#$A[2][1]+4]
+ bic @E[1],@C[9],@C[7]
+ eor @E[0],@E[0],@C[4]
+ eor @E[1],@E[1],@C[5]
+ str @E[0],[sp,#$A[2][2]] @ A[2][2] = C[2] ^ (~C[3] & C[4]);
+ bic @E[2],@C[0],@C[8]
+ str @E[1],[sp,#$A[2][2]+4]
+ bic @E[3],@C[1],@C[9]
+ eor @E[2],@E[2],@C[6]
+ eor @E[3],@E[3],@C[7]
+ str @E[2],[sp,#$A[2][3]] @ A[2][3] = C[3] ^ (~C[4] & C[0]);
+ bic @E[0],@C[2],@C[0]
+ str @E[3],[sp,#$A[2][3]+4]
+ bic @E[1],@C[3],@C[1]
+ eor @E[0],@E[0],@C[8]
+ eor @E[1],@E[1],@C[9]
+ str @E[0],[sp,#$A[2][4]] @ A[2][4] = C[4] ^ (~C[0] & C[1]);
+ str @E[1],[sp,#$A[2][4]+4]
+
+ ldr @C[1],[sp,#$T[0][4]]
+ ldr @C[0],[sp,#$T[0][4]+4]
+ ror @C[1],@C[1],#32-13 @ C[0] = ROL64(T[0][4], rhotates[0][4]);
+ ror @C[0],@C[0],#32-14
+ add @C[2],sp,#$T[1][0]
+ ldmia @C[2],{@C[2]-@C[5]} @ T[1][0..1]
+ ror @C[2],@C[2],#32-18 @ C[1] = ROL64(T[1][0], rhotates[1][0]);
+ ror @C[3],@C[3],#32-18
+ ror @C[4],@C[4],#32-5 @ C[2] = ROL64(T[1][1], rhotates[2][1]); /* originally A[2][1] */
+ ror @C[5],@C[5],#32-5
+ add @E[3],sp,#$D[2]
+ ldmia @E[3],{@E[0]-@E[2],@E[3]} @ D[2..3]
+ ldr @C[6],[sp,#$A[3][2]]
+ ldr @C[7],[sp,#$A[3][2]+4]
+ eor @E[0],@E[0],@C[6]
+ eor @E[1],@E[1],@C[7]
+ ror @C[7],@E[0],#32-7 @ C[3] = ROL64(A[3][2] ^ D[2], rhotates[3][2]);
+ ror @C[6],@E[1],#32-8
+ ldr @C[8],[sp,#$A[4][3]]
+ ldr @C[9],[sp,#$A[4][3]+4]
+ eor @C[8],@C[8],@E[2]
+ eor @C[9],@C[9],@E[3]
+ ror @C[8],@C[8],#32-28 @ C[4] = ROL64(A[4][3] ^ D[3], rhotates[4][3]);
+ ror @C[9],@C[9],#32-28
+
+ bic @E[0],@C[4],@C[2]
+ bic @E[1],@C[5],@C[3]
+ eor @E[0],@E[0],@C[0]
+ eor @E[1],@E[1],@C[1]
+ str @E[0],[sp,#$A[3][0]] @ A[3][0] = C[0] ^ (~C[1] & C[2])
+ bic @E[2],@C[6],@C[4]
+ str @E[1],[sp,#$A[3][0]+4]
+ bic @E[3],@C[7],@C[5]
+ eor @E[2],@E[2],@C[2]
+ eor @E[3],@E[3],@C[3]
+ str @E[2],[sp,#$A[3][1]] @ A[3][1] = C[1] ^ (~C[2] & C[3]);
+ bic @E[0],@C[8],@C[6]
+ str @E[3],[sp,#$A[3][1]+4]
+ bic @E[1],@C[9],@C[7]
+ eor @E[0],@E[0],@C[4]
+ eor @E[1],@E[1],@C[5]
+ str @E[0],[sp,#$A[3][2]] @ A[3][2] = C[2] ^ (~C[3] & C[4]);
+ bic @E[2],@C[0],@C[8]
+ str @E[1],[sp,#$A[3][2]+4]
+ bic @E[3],@C[1],@C[9]
+ eor @E[2],@E[2],@C[6]
+ eor @E[3],@E[3],@C[7]
+ str @E[2],[sp,#$A[3][3]] @ A[3][3] = C[3] ^ (~C[4] & C[0]);
+ bic @E[0],@C[2],@C[0]
+ str @E[3],[sp,#$A[3][3]+4]
+ bic @E[1],@C[3],@C[1]
+ eor @E[0],@E[0],@C[8]
+ eor @E[1],@E[1],@C[9]
+ str @E[0],[sp,#$A[3][4]] @ A[3][4] = C[4] ^ (~C[0] & C[1]);
+ str @E[1],[sp,#$A[3][4]+4]
+
+ ldr @C[0],[sp,#$T[0][2]]
+ ldr @C[1],[sp,#$T[0][2]+4]
+ ror @C[0],@C[0],#32-31 @ C[0] = ROL64(T[0][2], rhotates[0][2]);
+ ror @C[1],@C[1],#32-31
+ add @E[3],sp,#$T[1][3]
+ ldmia @E[3],{@E[0]-@E[2],@E[3]} @ T[1][3..4]
+ ror @C[3],@E[0],#32-27 @ C[1] = ROL64(T[1][3], rhotates[1][3]);
+ ror @C[2],@E[1],#32-28
+ ror @C[5],@E[2],#32-19 @ C[2] = ROL64(T[1][4], rhotates[2][4]); /* originally A[2][4] */
+ ror @C[4],@E[3],#32-20
+ ldr @C[7],[sp,#$T[0][0]]
+ ldr @C[6],[sp,#$T[0][0]+4]
+ ror @C[7],@C[7],#32-20 @ C[3] = ROL64(T[0][0], rhotates[3][0]); /* originally A[3][0] */
+ ror @C[6],@C[6],#32-21
+ ldr @C[8],[sp,#$A[4][1]]
+ ldr @C[9],[sp,#$A[4][1]+4]
+ ldr @E[0],[sp,#$D[1]]
+ ldr @E[1],[sp,#$D[1]+4]
+ eor @C[8],@C[8],@E[0]
+ eor @C[9],@C[9],@E[1]
+ ror @C[8],@C[8],#32-1 @ C[4] = ROL64(A[4][1] ^ D[1], rhotates[4][1]);
+ ror @C[9],@C[9],#32-1
+
+ bic @E[0],@C[4],@C[2]
+ bic @E[1],@C[5],@C[3]
+ eor @E[0],@E[0],@C[0]
+ eor @E[1],@E[1],@C[1]
+ str @E[0],[sp,#$A[4][0]] @ A[4][0] = C[0] ^ (~C[1] & C[2])
+ bic @E[2],@C[6],@C[4]
+ str @E[1],[sp,#$A[4][0]+4]
+ bic @E[3],@C[7],@C[5]
+ eor @E[2],@E[2],@C[2]
+ eor @E[3],@E[3],@C[3]
+ str @E[2],[sp,#$A[4][1]] @ A[4][1] = C[1] ^ (~C[2] & C[3]);
+ bic @E[0],@C[8],@C[6]
+ str @E[3],[sp,#$A[4][1]+4]
+ bic @E[1],@C[9],@C[7]
+ eor @E[0],@E[0],@C[4]
+ eor @E[1],@E[1],@C[5]
+ str @E[0],[sp,#$A[4][2]] @ A[4][2] = C[2] ^ (~C[3] & C[4]);
+ bic @E[2],@C[0],@C[8]
+ str @E[1],[sp,#$A[4][2]+4]
+ bic @E[3],@C[1],@C[9]
+ eor @E[2],@E[2],@C[6]
+ eor @E[3],@E[3],@C[7]
+ str @E[2],[sp,#$A[4][3]] @ A[4][3] = C[3] ^ (~C[4] & C[0]);
+ str @E[3],[sp,#$A[4][3]+4]
+ bic @E[0],@C[2],@C[0]
+ bic @E[1],@C[3],@C[1]
+ eor @E[2],@E[0],@C[8]
+ add @E[0],sp,#$A[1][0]
+ eor @E[3],@E[1],@C[9]
+ ldmia sp,{@C[0]-@C[9]} @ A[0][0..5]
+ str @E[2],[sp,#$A[4][4]] @ A[4][4] = C[4] ^ (~C[0] & C[1]);
+ str @E[3],[sp,#$A[4][4]+4]
+
+ blo .Lround
+
+ ldr @E[1],[sp,#320] @ restore pointer to A
+ stmia @E[1]!,{@C[0]-@C[9]} @ copy A[5][5] from stack
+ ldmia @E[0]!,{@C[0]-@C[9]}
+ stmia @E[1]!,{@C[0]-@C[9]}
+ ldmia @E[0]!,{@C[0]-@C[9]}
+ stmia @E[1]!,{@C[0]-@C[9]}
+ ldmia @E[0]!,{@C[0]-@C[9]}
+ stmia @E[1]!,{@C[0]-@C[9]}
+ ldmia @E[0],{@C[0]-@C[9]}
+ stmia @E[1],{@C[0]-@C[9]}
+
+ add sp,sp,#320+8
+ ldmia sp!,{r4-r12,pc}
+.size KeccakF1600,.-KeccakF1600
+___
+print $code;
projects / openssl.git / commitdiff