mirror of
https://github.com/oxen-io/session-ios.git
synced 2023-12-13 21:30:14 +01:00
28 lines
1.6 KiB
Swift
28 lines
1.6 KiB
Swift
import Sodium
|
|
|
|
enum KeyPairUtilities {
|
|
|
|
static func generate(from seed: Data) -> (ed25519KeyPair: Sign.KeyPair, x25519KeyPair: ECKeyPair) {
|
|
assert(seed.count == 16)
|
|
let padding = Data(repeating: 0, count: 16)
|
|
let ed25519KeyPair = Sodium().sign.keyPair(seed: (seed + padding).bytes)!
|
|
let x25519PublicKey = Sodium().sign.toX25519(ed25519PublicKey: ed25519KeyPair.publicKey)!
|
|
let x25519SecretKey = Sodium().sign.toX25519(ed25519SecretKey: ed25519KeyPair.secretKey)!
|
|
let x25519KeyPair = try! ECKeyPair(publicKeyData: Data(x25519PublicKey), privateKeyData: Data(x25519SecretKey))
|
|
return (ed25519KeyPair: ed25519KeyPair, x25519KeyPair: x25519KeyPair)
|
|
}
|
|
|
|
static func store(seed: Data, ed25519KeyPair: Sign.KeyPair, x25519KeyPair: ECKeyPair) {
|
|
let dbConnection = OWSIdentityManager.shared().dbConnection
|
|
let collection = OWSPrimaryStorageIdentityKeyStoreCollection
|
|
dbConnection.setObject(seed.toHexString(), forKey: LKSeedKey, inCollection: collection)
|
|
dbConnection.setObject(ed25519KeyPair.secretKey.toHexString(), forKey: LKED25519SecretKey, inCollection: collection)
|
|
dbConnection.setObject(ed25519KeyPair.publicKey.toHexString(), forKey: LKED25519PublicKey, inCollection: collection)
|
|
dbConnection.setObject(x25519KeyPair, forKey: OWSPrimaryStorageIdentityKeyStoreIdentityKey, inCollection: collection)
|
|
}
|
|
|
|
static func hasV2KeyPair() -> Bool {
|
|
let dbConnection = OWSIdentityManager.shared().dbConnection
|
|
return (dbConnection.object(forKey: LKED25519SecretKey, inCollection: OWSPrimaryStorageIdentityKeyStoreCollection) != nil)
|
|
}
|
|
}
|