Comments (3)
OK, it turns out that the key can indeed sometimes contain \0
sequence, and it breaks Postgres… Any recommendations on how to possibly store such a data?
from postgres-kit.
The classical approach would be Base64 encoding:
extension SymmetricKey: LosslessStringConvertible {
public init?(_ description: String) {
guard let data = Data(base64Encoded: description) else {
return nil
}
self.init(data: data)
}
public var description: String {
self.withUnsafeBytes { Data($0).base64EncodedString() }
}
init(_ key: String, size: SymmetricKeySize = .bits192) throws {
guard let data = Data(base64Encoded: key) else {
throw CryptoKitError.incorrectParameterSize
}
guard data.count size.bitCount >> 3 else {
throw CryptoKitError.incorrectKeySize
}
self.init(data: data)
}
}
from postgres-kit.
The alternative would be to store it directly as [UInt8]
(using .array(of: .uint8)
in the migration) instead of doing String
conversions of any kind (which are relatively expensive even for simple hexadecimal representation, much less Base64).
from postgres-kit.
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from postgres-kit.