58 	u32 y, z, n, sum = 0;  in tea_encrypt()  local
73 		sum += TEA_DELTA;  in tea_encrypt()
74 		y += ((z << 4) + k0) ^ (z + sum) ^ ((z >> 5) + k1);  in tea_encrypt()
75 		z += ((y << 4) + k2) ^ (y + sum) ^ ((y >> 5) + k3);  in tea_encrypt()
84 	u32 y, z, n, sum;  in tea_decrypt()  local
96 	sum = TEA_DELTA << 5;  in tea_decrypt()
101 		z -= ((y << 4) + k2) ^ (y + sum) ^ ((y >> 5) + k3);  in tea_decrypt()
102 		y -= ((z << 4) + k0) ^ (z + sum) ^ ((z >> 5) + k1);  in tea_decrypt()
103 		sum -= TEA_DELTA;  in tea_decrypt()
126 	u32 y, z, sum = 0;  in xtea_encrypt()  local
133 	while (sum != limit) {  in xtea_encrypt()
134 		y += ((z << 4 ^ z >> 5) + z) ^ (sum + ctx->KEY[sum&3]);   in xtea_encrypt()
135 		sum += XTEA_DELTA;  in xtea_encrypt()
136 		z += ((y << 4 ^ y >> 5) + y) ^ (sum + ctx->KEY[sum>>11 &3]);   in xtea_encrypt()
145 	u32 y, z, sum;  in xtea_decrypt()  local
151 	sum = XTEA_DELTA * XTEA_ROUNDS;  in xtea_decrypt()
153 	while (sum) {  in xtea_decrypt()
154 		z -= ((y << 4 ^ y >> 5) + y) ^ (sum + ctx->KEY[sum>>11 & 3]);  in xtea_decrypt()
155 		sum -= XTEA_DELTA;  in xtea_decrypt()
156 		y -= ((z << 4 ^ z >> 5) + z) ^ (sum + ctx->KEY[sum & 3]);  in xtea_decrypt()
166 	u32 y, z, sum = 0;  in xeta_encrypt()  local
173 	while (sum != limit) {  in xeta_encrypt()
174 		y += (z << 4 ^ z >> 5) + (z ^ sum) + ctx->KEY[sum&3];  in xeta_encrypt()
175 		sum += XTEA_DELTA;  in xeta_encrypt()
176 		z += (y << 4 ^ y >> 5) + (y ^ sum) + ctx->KEY[sum>>11 &3];  in xeta_encrypt()
185 	u32 y, z, sum;  in xeta_decrypt()  local
191 	sum = XTEA_DELTA * XTEA_ROUNDS;  in xeta_decrypt()
193 	while (sum) {  in xeta_decrypt()
194 		z -= (y << 4 ^ y >> 5) + (y ^ sum) + ctx->KEY[sum>>11 & 3];  in xeta_decrypt()
195 		sum -= XTEA_DELTA;  in xeta_decrypt()
196 		y -= (z << 4 ^ z >> 5) + (z ^ sum) + ctx->KEY[sum & 3];  in xeta_decrypt()