GETU32
tmp[0] = GETU32(plaintext);
tmp[1] = GETU32(plaintext + 4);
tmp[2] = GETU32(plaintext + 8);
tmp[3] = GETU32(plaintext + 12);
tmp[0] = GETU32(ciphertext);
tmp[1] = GETU32(ciphertext + 4);
tmp[2] = GETU32(ciphertext + 8);
tmp[3] = GETU32(ciphertext + 12);
kll = GETU32(key );
klr = GETU32(key + 4);
krl = GETU32(key + 8);
krr = GETU32(key + 12);
kll = GETU32(key );
klr = GETU32(key + 4);
krl = GETU32(key + 8);
krr = GETU32(key + 12);
krll = GETU32(key + 16);
krlr = GETU32(key + 20);
krrl = GETU32(key + 24);
krrr = GETU32(key + 28);