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Supporting different EC sizes, RSA not working yet

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This commit is contained in:
Max Goedjen
2020-03-08 22:17:59 -07:00
parent 603d021939
commit 945907cfd4
8 changed files with 94 additions and 24 deletions
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20
SecretKit/Common/Erasers/AnySecret.swift
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@@ -6,6 +6,8 @@ public struct AnySecret: Secret {
fileprivate let hashable: AnyHashable
fileprivate let _id: () -> AnyHashable
fileprivate let _name: () -> String
fileprivate let _algorithm: () -> Algorithm
fileprivate let _keySize: () -> Int
fileprivate let _publicKey: () -> Data
public init<T>(_ secret: T) where T: Secret {
@@ -14,26 +16,38 @@ public struct AnySecret: Secret {
hashable = secret.hashable
_id = secret._id
_name = secret._name
_algorithm = secret._algorithm
_keySize = secret._keySize
_publicKey = secret._publicKey
} else {
base = secret as Any
self.hashable = secret
_id = { secret.id as AnyHashable }
_name = { secret.name }
_algorithm = { secret.algorithm }
_keySize = { secret.keySize }
_publicKey = { secret.publicKey }
}
}
public var id: AnyHashable {
return _id()
_id()
}
public var name: String {
return _name()
_name()
}
public var algorithm: Algorithm {
_algorithm()
}
public var keySize: Int {
_keySize()
}
public var publicKey: Data {
return _publicKey()
_publicKey()
}
public static func == (lhs: AnySecret, rhs: AnySecret) -> Bool {

29
SecretKit/Common/OpenSSH/OpenSSHKeyWriter.swift
View File

@@ -8,13 +8,13 @@ public struct OpenSSHKeyWriter {
}
public func data<SecretType: Secret>(secret: SecretType) -> Data {
lengthAndData(of: Constants.curveType.data(using: .utf8)!) +
lengthAndData(of: Constants.curveIdentifier.data(using: .utf8)!) +
lengthAndData(of: curveType(for: secret.algorithm, length: secret.keySize).data(using: .utf8)!) +
lengthAndData(of: curveIdentifier(for: secret.algorithm, length: secret.keySize).data(using: .utf8)!) +
lengthAndData(of: secret.publicKey)
}
public func openSSHString<SecretType: Secret>(secret: SecretType) -> String {
"\(Constants.curveType) \(data(secret: secret).base64EncodedString())"
"\(curveType(for: secret.algorithm, length: secret.keySize)) \(data(secret: secret).base64EncodedString())"
}
public func openSSHFingerprint<SecretType: Secret>(secret: SecretType) -> String {
@@ -33,14 +33,21 @@ extension OpenSSHKeyWriter {
return Data(bytes: &endian, count: UInt32.bitWidth/8) + data
}
public func readData() {}
}
extension OpenSSHKeyWriter {
public enum Constants {
public static let curveIdentifier = "nistp256"
public static let curveType = "ecdsa-sha2-nistp256"
public func curveIdentifier(for algorithm: Algorithm, length: Int) -> String {
switch algorithm {
case .ellipticCurve:
return "nistp" + String(describing: length)
case .rsa:
return "ssh-rsa"
}
}
public func curveType(for algorithm: Algorithm, length: Int) -> String {
switch algorithm {
case .ellipticCurve:
return "ecdsa-sha2-nistp" + String(describing: length)
case .rsa:
return "ssh-rsa"
}
}
}