Lines Matching defs:tweak
66 union { u64 u[2]; u32 d[4]; u8 c[16]; } tweak, scratch;
71 memcpy(tweak.c, iv, 16);
73 (*ctx->block2)(tweak.c,tweak.c,ctx->key2);
80 scratch.u[0] ^= tweak.u[0];
81 scratch.u[1] ^= tweak.u[1];
83 scratch.u[0] = ((u64*)inp)[0]^tweak.u[0];
84 scratch.u[1] = ((u64*)inp)[1]^tweak.u[1];
88 scratch.u[0] ^= tweak.u[0];
89 scratch.u[1] ^= tweak.u[1];
92 ((u64*)out)[0] = scratch.u[0]^=tweak.u[0];
93 ((u64*)out)[1] = scratch.u[1]^=tweak.u[1];
104 res = 0x87&(((int)tweak.d[3])>>31);
105 carry = (unsigned int)(tweak.u[0]>>63);
106 tweak.u[0] = (tweak.u[0]<<1)^res;
107 tweak.u[1] = (tweak.u[1]<<1)|carry;
114 c += ((size_t)tweak.c[i])<<1;
115 tweak.c[i] = (u8)c;
118 tweak.c[0] ^= (u8)(0x87&(0-c));
127 scratch.u[0] ^= tweak.u[0];
128 scratch.u[1] ^= tweak.u[1];
130 scratch.u[0] ^= tweak.u[0];
131 scratch.u[1] ^= tweak.u[1];
140 res = 0x87&(((int)tweak.d[3])>>31);
141 carry = (unsigned int)(tweak.u[0]>>63);
142 tweak1.u[0] = (tweak.u[0]<<1)^res;
143 tweak1.u[1] = (tweak.u[1]<<1)|carry;
150 c += ((size_t)tweak.c[i])<<1;
173 scratch.u[0] ^= tweak.u[0];
174 scratch.u[1] ^= tweak.u[1];
177 scratch.u[0] ^= tweak.u[0];
178 scratch.u[1] ^= tweak.u[1];
181 ((u64*)out)[0] = scratch.u[0]^tweak.u[0];
182 ((u64*)out)[1] = scratch.u[1]^tweak.u[1];
