Module crypto

Cryptographic types and operations on them

Modules

• genstesting or gens
  Generators for asymmetric key types

Enums

• Error
  Cryptographic errors.
• ErrorExtstd or testing
  Cryptographic errors extended with some additional variants.
• HashAlgorithm
  A type of hashing algorithm.
• PublicKey
  A public asymmetric key.
• SecretKey
  A secret or private asymmetric key.
• Signature
  A signature of given data.

Constants

• BLAKE2B_DIGEST_LENGTH
  The number of bytes in a Blake2b hash
• ED25519_TAG
  Tag for ed25519 variant.
• SECP256K1_TAG
  Tag for secp256k1 variant.
• SYSTEM_ACCOUNT
  Public key for system account.
• SYSTEM_TAG
  Tag for system variant.

Traits

• AsymmetricType
  Operations on asymmetric cryptographic type.

Functions

• generate_ed25519_keypairstd
  Generates an Ed25519 keypair using the operating system’s cryptographically secure random number generator.
• recover_secp256k1
  Attempts to recover a Secp256k1 PublicKey from a message and a signature over it.
• sign
  Signs the given message using the given key pair.
• verify
  Verifies the signature of the given message against the given public key.