1 /* SPDX-License-Identifier: GPL-2.0-or-later */
3 * Fast MD5 implementation for PPC
5 * Copyright (c) 2015 Markus Stockhausen <stockhausen@collogia.de>
7 #include <asm/ppc_asm.h>
8 #include <asm/asm-offsets.h>
9 #include <asm/asm-compat.h>
40 PPC_STLU r1,-INT_FRAME_SIZE(r1); \
41 SAVE_GPRS(14, 26, r1) /* push registers onto stack */
44 REST_GPRS(14, 26, r1); /* pop registers from stack */ \
45 addi r1,r1,INT_FRAME_SIZE
48 #define LOAD_DATA(reg, off) \
49 lwbrx reg,0,rWP; /* load data */
51 addi rWP,rWP,4; /* increment per word */
52 #define NEXT_BLOCK /* nothing to do */
54 #define LOAD_DATA(reg, off) \
55 lwz reg,off(rWP); /* load data */
56 #define INC_PTR /* nothing to do */
58 addi rWP,rWP,64; /* increment per block */
61 #define R_00_15(a, b, c, d, w0, w1, p, q, off, k0h, k0l, k1h, k1l) \
62 LOAD_DATA(w0, off) /* W */ \
63 and rT0,b,c; /* 1: f = b and c */ \
65 andc rT1,d,b; /* 1: f' = ~b and d */ \
66 LOAD_DATA(w1, off+4) /* W */ \
67 or rT0,rT0,rT1; /* 1: f = f or f' */ \
68 addi w0,w0,k0l; /* 1: wk = w + k */ \
69 add a,a,rT0; /* 1: a = a + f */ \
70 addis w0,w0,k0h; /* 1: wk = w + k' */ \
71 addis w1,w1,k1h; /* 2: wk = w + k */ \
72 add a,a,w0; /* 1: a = a + wk */ \
73 addi w1,w1,k1l; /* 2: wk = w + k' */ \
74 rotrwi a,a,p; /* 1: a = a rotl x */ \
75 add d,d,w1; /* 2: a = a + wk */ \
76 add a,a,b; /* 1: a = a + b */ \
77 and rT0,a,b; /* 2: f = b and c */ \
78 andc rT1,c,a; /* 2: f' = ~b and d */ \
79 or rT0,rT0,rT1; /* 2: f = f or f' */ \
80 add d,d,rT0; /* 2: a = a + f */ \
82 rotrwi d,d,q; /* 2: a = a rotl x */ \
83 add d,d,a; /* 2: a = a + b */
85 #define R_16_31(a, b, c, d, w0, w1, p, q, k0h, k0l, k1h, k1l) \
86 andc rT0,c,d; /* 1: f = c and ~d */ \
87 and rT1,b,d; /* 1: f' = b and d */ \
88 addi w0,w0,k0l; /* 1: wk = w + k */ \
89 or rT0,rT0,rT1; /* 1: f = f or f' */ \
90 addis w0,w0,k0h; /* 1: wk = w + k' */ \
91 add a,a,rT0; /* 1: a = a + f */ \
92 addi w1,w1,k1l; /* 2: wk = w + k */ \
93 add a,a,w0; /* 1: a = a + wk */ \
94 addis w1,w1,k1h; /* 2: wk = w + k' */ \
95 andc rT0,b,c; /* 2: f = c and ~d */ \
96 rotrwi a,a,p; /* 1: a = a rotl x */ \
97 add a,a,b; /* 1: a = a + b */ \
98 add d,d,w1; /* 2: a = a + wk */ \
99 and rT1,a,c; /* 2: f' = b and d */ \
100 or rT0,rT0,rT1; /* 2: f = f or f' */ \
101 add d,d,rT0; /* 2: a = a + f */ \
102 rotrwi d,d,q; /* 2: a = a rotl x */ \
103 add d,d,a; /* 2: a = a +b */
105 #define R_32_47(a, b, c, d, w0, w1, p, q, k0h, k0l, k1h, k1l) \
106 xor rT0,b,c; /* 1: f' = b xor c */ \
107 addi w0,w0,k0l; /* 1: wk = w + k */ \
108 xor rT1,rT0,d; /* 1: f = f xor f' */ \
109 addis w0,w0,k0h; /* 1: wk = w + k' */ \
110 add a,a,rT1; /* 1: a = a + f */ \
111 addi w1,w1,k1l; /* 2: wk = w + k */ \
112 add a,a,w0; /* 1: a = a + wk */ \
113 addis w1,w1,k1h; /* 2: wk = w + k' */ \
114 rotrwi a,a,p; /* 1: a = a rotl x */ \
115 add d,d,w1; /* 2: a = a + wk */ \
116 add a,a,b; /* 1: a = a + b */ \
117 xor rT1,rT0,a; /* 2: f = b xor f' */ \
118 add d,d,rT1; /* 2: a = a + f */ \
119 rotrwi d,d,q; /* 2: a = a rotl x */ \
120 add d,d,a; /* 2: a = a + b */
122 #define R_48_63(a, b, c, d, w0, w1, p, q, k0h, k0l, k1h, k1l) \
123 addi w0,w0,k0l; /* 1: w = w + k */ \
124 orc rT0,b,d; /* 1: f = b or ~d */ \
125 addis w0,w0,k0h; /* 1: w = w + k' */ \
126 xor rT0,rT0,c; /* 1: f = f xor c */ \
127 add a,a,w0; /* 1: a = a + wk */ \
128 addi w1,w1,k1l; /* 2: w = w + k */ \
129 add a,a,rT0; /* 1: a = a + f */ \
130 addis w1,w1,k1h; /* 2: w = w + k' */ \
131 rotrwi a,a,p; /* 1: a = a rotl x */ \
132 add a,a,b; /* 1: a = a + b */ \
133 orc rT0,a,c; /* 2: f = b or ~d */ \
134 add d,d,w1; /* 2: a = a + wk */ \
135 xor rT0,rT0,b; /* 2: f = f xor c */ \
136 add d,d,rT0; /* 2: a = a + f */ \
137 rotrwi d,d,q; /* 2: a = a rotl x */ \
138 add d,d,a; /* 2: a = a + b */
140 _GLOBAL(ppc_md5_transform)
150 R_00_15(rH0, rH1, rH2, rH3, rW00, rW01, 25, 20, 0,
151 0xd76b, -23432, 0xe8c8, -18602)
152 R_00_15(rH2, rH3, rH0, rH1, rW02, rW03, 15, 10, 8,
153 0x2420, 0x70db, 0xc1be, -12562)
154 R_00_15(rH0, rH1, rH2, rH3, rW04, rW05, 25, 20, 16,
155 0xf57c, 0x0faf, 0x4788, -14806)
156 R_00_15(rH2, rH3, rH0, rH1, rW06, rW07, 15, 10, 24,
157 0xa830, 0x4613, 0xfd47, -27391)
158 R_00_15(rH0, rH1, rH2, rH3, rW08, rW09, 25, 20, 32,
159 0x6981, -26408, 0x8b45, -2129)
160 R_00_15(rH2, rH3, rH0, rH1, rW10, rW11, 15, 10, 40,
161 0xffff, 0x5bb1, 0x895d, -10306)
162 R_00_15(rH0, rH1, rH2, rH3, rW12, rW13, 25, 20, 48,
163 0x6b90, 0x1122, 0xfd98, 0x7193)
164 R_00_15(rH2, rH3, rH0, rH1, rW14, rW15, 15, 10, 56,
165 0xa679, 0x438e, 0x49b4, 0x0821)
167 R_16_31(rH0, rH1, rH2, rH3, rW01, rW06, 27, 23,
168 0x0d56, 0x6e0c, 0x1810, 0x6d2d)
169 R_16_31(rH2, rH3, rH0, rH1, rW11, rW00, 18, 12,
170 0x9d02, -32109, 0x124c, 0x2332)
171 R_16_31(rH0, rH1, rH2, rH3, rW05, rW10, 27, 23,
172 0x8ea7, 0x4a33, 0x0245, -18270)
173 R_16_31(rH2, rH3, rH0, rH1, rW15, rW04, 18, 12,
174 0x8eee, -8608, 0xf258, -5095)
175 R_16_31(rH0, rH1, rH2, rH3, rW09, rW14, 27, 23,
176 0x969d, -10697, 0x1cbe, -15288)
177 R_16_31(rH2, rH3, rH0, rH1, rW03, rW08, 18, 12,
178 0x3317, 0x3e99, 0xdbd9, 0x7c15)
179 R_16_31(rH0, rH1, rH2, rH3, rW13, rW02, 27, 23,
180 0xac4b, 0x7772, 0xd8cf, 0x331d)
181 R_16_31(rH2, rH3, rH0, rH1, rW07, rW12, 18, 12,
182 0x6a28, 0x6dd8, 0x219a, 0x3b68)
184 R_32_47(rH0, rH1, rH2, rH3, rW05, rW08, 28, 21,
185 0x29cb, 0x28e5, 0x4218, -7788)
186 R_32_47(rH2, rH3, rH0, rH1, rW11, rW14, 16, 9,
187 0x473f, 0x06d1, 0x3aae, 0x3036)
188 R_32_47(rH0, rH1, rH2, rH3, rW01, rW04, 28, 21,
189 0xaea1, -15134, 0x640b, -11295)
190 R_32_47(rH2, rH3, rH0, rH1, rW07, rW10, 16, 9,
191 0x8f4c, 0x4887, 0xbc7c, -22499)
192 R_32_47(rH0, rH1, rH2, rH3, rW13, rW00, 28, 21,
193 0x7eb8, -27199, 0x00ea, 0x6050)
194 R_32_47(rH2, rH3, rH0, rH1, rW03, rW06, 16, 9,
195 0xe01a, 0x22fe, 0x4447, 0x69c5)
196 R_32_47(rH0, rH1, rH2, rH3, rW09, rW12, 28, 21,
197 0xb7f3, 0x0253, 0x59b1, 0x4d5b)
198 R_32_47(rH2, rH3, rH0, rH1, rW15, rW02, 16, 9,
199 0x4701, -27017, 0xc7bd, -19859)
201 R_48_63(rH0, rH1, rH2, rH3, rW00, rW07, 26, 22,
202 0x0988, -1462, 0x4c70, -19401)
203 R_48_63(rH2, rH3, rH0, rH1, rW14, rW05, 17, 11,
204 0xadaf, -5221, 0xfc99, 0x66f7)
205 R_48_63(rH0, rH1, rH2, rH3, rW12, rW03, 26, 22,
206 0x7e80, -16418, 0xba1e, -25587)
207 R_48_63(rH2, rH3, rH0, rH1, rW10, rW01, 17, 11,
208 0x4130, 0x380d, 0xe0c5, 0x738d)
210 R_48_63(rH0, rH1, rH2, rH3, rW08, rW15, 26, 22,
211 0xe837, -30770, 0xde8a, 0x69e8)
213 R_48_63(rH2, rH3, rH0, rH1, rW06, rW13, 17, 11,
214 0x9e79, 0x260f, 0x256d, -27941)
216 R_48_63(rH0, rH1, rH2, rH3, rW04, rW11, 26, 22,
217 0xab75, -20775, 0x4f9e, -28397)
219 R_48_63(rH2, rH3, rH0, rH1, rW02, rW09, 17, 11,
220 0x662b, 0x7c56, 0x11b2, 0x0358)