43 lines
1.5 KiB
Swift
43 lines
1.5 KiB
Swift
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import Foundation
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import Security
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enum KeychainStore {
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private static let service = "org.montana.app.identity"
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static func read(key: String) -> Data? {
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var query: [String: Any] = [
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kSecClass as String: kSecClassGenericPassword,
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kSecAttrService as String: service,
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kSecAttrAccount as String: key,
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kSecReturnData as String: true,
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kSecMatchLimit as String: kSecMatchLimitOne,
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kSecAttrAccessible as String: kSecAttrAccessibleAfterFirstUnlockThisDeviceOnly,
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]
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var result: AnyObject?
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let status = SecItemCopyMatching(query as CFDictionary, &result)
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guard status == errSecSuccess, let data = result as? Data else { return nil }
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return data
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}
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static func write(key: String, value: Data) {
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delete(key: key)
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let attrs: [String: Any] = [
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kSecClass as String: kSecClassGenericPassword,
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kSecAttrService as String: service,
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kSecAttrAccount as String: key,
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kSecValueData as String: value,
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kSecAttrAccessible as String: kSecAttrAccessibleAfterFirstUnlockThisDeviceOnly,
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]
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SecItemAdd(attrs as CFDictionary, nil)
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}
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static func delete(key: String) {
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let query: [String: Any] = [
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kSecClass as String: kSecClassGenericPassword,
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kSecAttrService as String: service,
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kSecAttrAccount as String: key,
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]
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SecItemDelete(query as CFDictionary)
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}
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}
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