Module lightning_signer::util::crypto_utils

Cryptographic utilities

Functions

• bitcoin_vec_to_signature
  Convert a Bitcoin signature bytes, with the specified EcdsaSighashType, to [Signature]
• generate_seed
  Generate a seed
• hkdf_sha256
  derive a secret from another secret using HKDF-SHA256
• maybe_generate_seed
  Use the provided seed, or generate a random one
• schnorr_signature_to_bitcoin_vec
  Convert a [Signature] to Bitcoin signature bytes, with SIGHASH_ALL
• sighash_from_heartbeat
  Hash the serialized heartbeat message for signing
• signature_to_bitcoin_vec
  Convert a [Signature] to Bitcoin signature bytes, with SIGHASH_ALL