encrypt_block
.macro encrypt_block, in, rounds, t0, t1, t2
.macro encrypt_block, in, rounds, rk, rkp, i
.macro encrypt_block s0 s1 s2 s3 s4 i
static void encrypt_block(struct bf_ctx *bctx, u32 *dst, u32 *src)
encrypt_block(const u32 *P, const u32 *S, u32 *dst, u32 *src)