64 	u32 y, z, n, sum = 0;  in tea_encrypt()  local
81 		sum += TEA_DELTA;  in tea_encrypt()
82 		y += ((z << 4) + k0) ^ (z + sum) ^ ((z >> 5) + k1);  in tea_encrypt()
83 		z += ((y << 4) + k2) ^ (y + sum) ^ ((y >> 5) + k3);  in tea_encrypt()
92 	u32 y, z, n, sum;  in tea_decrypt()  local
106 	sum = TEA_DELTA << 5;  in tea_decrypt()
111 		z -= ((y << 4) + k2) ^ (y + sum) ^ ((y >> 5) + k3);  in tea_decrypt()
112 		y -= ((z << 4) + k0) ^ (z + sum) ^ ((z >> 5) + k1);  in tea_decrypt()
113 		sum -= TEA_DELTA;  in tea_decrypt()
137 	u32 y, z, sum = 0;  in xtea_encrypt()  local
146 	while (sum != limit) {  in xtea_encrypt()
147 		y += ((z << 4 ^ z >> 5) + z) ^ (sum + ctx->KEY[sum&3]);   in xtea_encrypt()
148 		sum += XTEA_DELTA;  in xtea_encrypt()
149 		z += ((y << 4 ^ y >> 5) + y) ^ (sum + ctx->KEY[sum>>11 &3]);   in xtea_encrypt()
158 	u32 y, z, sum;  in xtea_decrypt()  local
166 	sum = XTEA_DELTA * XTEA_ROUNDS;  in xtea_decrypt()
168 	while (sum) {  in xtea_decrypt()
169 		z -= ((y << 4 ^ y >> 5) + y) ^ (sum + ctx->KEY[sum>>11 & 3]);  in xtea_decrypt()
170 		sum -= XTEA_DELTA;  in xtea_decrypt()
171 		y -= ((z << 4 ^ z >> 5) + z) ^ (sum + ctx->KEY[sum & 3]);  in xtea_decrypt()
181 	u32 y, z, sum = 0;  in xeta_encrypt()  local
190 	while (sum != limit) {  in xeta_encrypt()
191 		y += (z << 4 ^ z >> 5) + (z ^ sum) + ctx->KEY[sum&3];  in xeta_encrypt()
192 		sum += XTEA_DELTA;  in xeta_encrypt()
193 		z += (y << 4 ^ y >> 5) + (y ^ sum) + ctx->KEY[sum>>11 &3];  in xeta_encrypt()
202 	u32 y, z, sum;  in xeta_decrypt()  local
210 	sum = XTEA_DELTA * XTEA_ROUNDS;  in xeta_decrypt()
212 	while (sum) {  in xeta_decrypt()
213 		z -= (y << 4 ^ y >> 5) + (y ^ sum) + ctx->KEY[sum>>11 & 3];  in xeta_decrypt()
214 		sum -= XTEA_DELTA;  in xeta_decrypt()
215 		y -= (z << 4 ^ z >> 5) + (z ^ sum) + ctx->KEY[sum & 3];  in xeta_decrypt()