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23 lines
841 B
Swift
23 lines
841 B
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 "05" is necessary for what seems to be a sort of Signal public key versioning system
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return "05" + publicKey.map { String(format: "%02hhx", $0) }.joined()
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}
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@objc static func isValidHexEncodedPublicKey(candidate: String) -> Bool {
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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 leading "05"
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guard candidate.count == 66 && candidate.hasPrefix("05") else { return false }
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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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