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This commit is contained in:
fmodf 2024-08-27 15:28:46 +02:00
parent e4e83cbb9e
commit a6dc50b07e
1 changed files with 33 additions and 4 deletions
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37
ConversationsClassic/AppData/Services/AESGSMEngine.swift
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@ -6,13 +6,42 @@ final class AESGSMEngine: AES_GCM_Engine {
static let shared = AESGSMEngine()
private init() {}
func encrypt(iv: Data, key: Data, message: Data, output: UnsafeMutablePointer<Data>?, tag: UnsafeMutablePointer<Data>?) -> Bool {
print(iv, key, message, output, tag)
return false
do {
let symmetricKey = SymmetricKey(data: key)
let sealedBox = try AES.GCM.seal(message, using: symmetricKey, nonce: AES.GCM.Nonce(data: iv))
if let output = output {
output.pointee = sealedBox.ciphertext
}
if let tag = tag {
tag.pointee = sealedBox.tag
}
return true
} catch {
print("Encryption error: \(error)")
return false
}
}
func decrypt(iv: Data, key: Data, encoded: Data, auth tag: Data?, output: UnsafeMutablePointer<Data>?) -> Bool {
print(iv, key, encoded, tag, output)
return false
do {
let symmetricKey = SymmetricKey(data: key)
guard let tag = tag else {
print("Tag is missing")
return false
}
let sealedBox = try AES.GCM.SealedBox(nonce: AES.GCM.Nonce(data: iv), ciphertext: encoded, tag: tag)
let decryptedData = try AES.GCM.open(sealedBox, using: symmetricKey)
if let output = output {
output.pointee = decryptedData
}
return true
} catch {
print("Decryption error: \(error)")
return false
}
}
}