# Functions
NewHashDrbg makes a HashDrbg instance based off an optional seed.
NewSeed returns a Seed initialized with the runtime CSPRNG.
SeedFromBytes creates a Seed from the raw bytes, truncating to SeedLength as appropriate.
SeedFromHex creates a Seed from the hexdecimal representation, truncating to SeedLength as appropriate.
# Constants
SeedLength is the length of the HashDrbg seed.
Size is the length of the HashDrbg output.
# Type aliases
InvalidSeedLengthError is the error returned when the seed provided to the DRBG is an invalid length.
Seed is the initial state for a HashDrbg.