Function hpke::IncrementSeq

source · [−]
pub fn IncrementSeq(aead_id: AEAD, seq: u32) -> Result<u32, HpkeError>
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Increment Sequence

Each encryption or decryption operation increments the sequence number for the context in use.

def Context<ROLE>.IncrementSeq():
  if self.seq >= (1 << (8*Nn)) - 1:
    raise MessageLimitReachedError
  self.seq += 1