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27 lines
1.0 KiB
Swift
27 lines
1.0 KiB
Swift
import Curve25519Kit
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public extension ECKeyPair {
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@objc var hexEncodedPrivateKey: String {
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return privateKey.map { String(format: "%02hhx", $0) }.joined()
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}
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@objc var hexEncodedPublicKey: String {
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// Prefixing with 'SessionId.Prefix.standard' is necessary for what seems to be a sort of Signal public key versioning system
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return SessionId(.standard, publicKey: publicKey.bytes).hexString
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}
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@objc static func isValidHexEncodedPublicKey(candidate: String) -> Bool {
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// Note: If the logic in here changes ensure it doesn't break `SessionId.Prefix(from:)`
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// Check that it's a valid hexadecimal encoding
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guard Hex.isValid(candidate) else { return false }
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// Check that it has length 66 and a valid prefix
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guard candidate.count == 66 && SessionId.Prefix.allCases.first(where: { candidate.hasPrefix($0.rawValue) }) != nil else {
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return false
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}
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// It appears to be a valid public key
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return true
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}
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}
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