Initializer

init(derRepresentation:)

Creates a secp256k1 public key for signing from a Distinguished Encoding Rules (DER) encoded representation.

iOS 13.0+
macCatalyst 13.0+
macOS 10.15+
tvOS 13.0+
visionOS 1.0+
watchOS 6.0+

init<Bytes>(derRepresentation: Bytes) throws where Bytes : RandomAccessCollection, Bytes.Element == UInt8

Parameters

derRepresentation: A DER-encoded representation of the key.

Discussion

Throws

CryptoKitASN1Error if derRepresentation is not a valid SubjectPublicKeyInfo DER encoding; CryptoKitError.incorrectParameterSize if the embedded key is neither 33 nor 65 bytes; secp256k1Error.underlyingCryptoError if secp256k1_ec_pubkey_parse rejects the bytes.