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def ccm.xcrypt.fast

bend-osdev-cipher-modes@0.1.0.0 · ccm.bend:210

import bend-osdev-cipher-modes@0.1.0.0/ccm.bend as Ccm
import Base
import bend-osdev-cipher-modes@0.1.0.0/cipher_modes.bend as M

210def ccm.xcrypt.fast(~K: Data, ~enc: K -> M.CmBlock -> M.CmBlock, +k: K, +a0: M.CmBlock, s: M.CmSplit) -> List<&2, U32>:
211  match s:
212    case M.CmSplit{+bs, tail}:
213      M.cm.join_onto.fast(ccm.ctrb.fast(~K, ~enc, k, bs, a0, 1), M.cm.xor_bytes(tail, M.cm.bytes_of(enc(k, ccm.ai(a0, U32.add(1, U32.from_nat(M.cm.blocks.len(bs))))))))

Uses (12)

Used by (5)