711ad7b5c8
Added support for P256 Curve and suppressed support for P521 Curve that will be reimplemented later
99 lines
2.7 KiB
Swift
99 lines
2.7 KiB
Swift
import Crypto // Equivalent to CryptoKit (more or less)
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import Foundation
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// ------------------
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// --- Sign ---------
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// ------------------
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public func signP521(object: Data, key: P521.Signing.PrivateKey)throws -> Data {
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return try key.signature<Data>(for: object).rawRepresentation
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}
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public func signP256(object: Data, key: P256.Signing.PrivateKey)throws -> Data {
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return try key.signature<Data>(for: object).rawRepresentation
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}
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/*
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public func sign<T>(object: T, key: P521.Signing.PrivateKey) throws -> String {
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var _object = object
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let data: Data = Data(bytes: &_object, count: MemoryLayout<T>.stride)
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} */
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// ------------------
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// --- Decrypt ------
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// ------------------
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public func verifySignatureP521(signature: Data, object: Data, key: P521.Signing.PublicKey) throws -> Bool {
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let ecdsa: P521.Signing.ECDSASignature
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do {
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ecdsa = try P521.Signing.ECDSASignature(rawRepresentation: signature)
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} catch {
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throw SecurityError.NotDecodableError
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}
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return key.isValidSignature<Data>(ecdsa, for: object)
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}
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public func verifySignatureP256(signature: Data, object: Data, key: P256.Signing.PublicKey) throws -> Bool {
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let ecdsa: P256.Signing.ECDSASignature
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do {
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ecdsa = try P256.Signing.ECDSASignature(rawRepresentation: signature)
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} catch {
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throw SecurityError.NotDecodableError
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}
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return key.isValidSignature<Data>(ecdsa, for: object)
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}
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// -------------------
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// --- PEM 2 Key 521 -
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// -------------------
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public func pem2_P521key(filePath: String) throws -> P521.Signing.PrivateKey {
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let pemURL: URL = URL(filePath: filePath)
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return try pem2_P521key(filePem: pemURL)
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}
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public func pem2_P521key(filePem: URL) throws -> P521.Signing.PrivateKey {
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let fileString: String = try String(contentsOf: filePem, encoding: String.Encoding.utf8)
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return try pem2_P521key(pemString: fileString)
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}
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public func pem2_P521key(pemString: String) throws -> P521.Signing.PrivateKey {
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return try P521.Signing.PrivateKey(pemRepresentation: pemString)
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}
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// -------------------
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// --- PEM 2 Key 256 -
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// -------------------
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public func pem2_P256key(filePath: String) throws -> P256.Signing.PrivateKey {
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let pemURL: URL = URL(filePath: filePath)
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return try pem2_P256key(filePem: pemURL)
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}
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public func pem2_P256key(filePem: URL) throws -> P256.Signing.PrivateKey {
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let fileString: String = try String(contentsOf: filePem, encoding: String.Encoding.utf8)
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return try pem2_P256key(pemString: fileString)
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}
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public func pem2_P256key(pemString: String) throws -> P256.Signing.PrivateKey {
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return try P256.Signing.PrivateKey(pemRepresentation: pemString)
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}
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