“RSA/NONE/OAEPWithSHA256和MGF1PADING”的iOS swift3等效项

import Security

// 加密函数
func encryptRSA(data: Data, publicKey: SecKey) throws -> Data {
    var error: Unmanaged<CFError>?
    guard let encryptedData = SecKeyCreateEncryptedData(publicKey, .rsaEncryptionOAEPSHA256, data as CFData, &error) as Data? else {
        throw error!.takeRetainedValue() as Error
    }
    return encryptedData
}

// 解密函数
func decryptRSA(encryptedData: Data, privateKey: SecKey) throws -> Data {
    var error: Unmanaged<CFError>?
    guard let decryptedData = SecKeyCreateDecryptedData(privateKey, .rsaEncryptionOAEPSHA256, encryptedData as CFData, &error) as Data? else {
        throw error!.takeRetainedValue() as Error
    }
    return decryptedData
}

// 使用示例
let publicKey: SecKey = ... // 获取公钥
let privateKey: SecKey = ... // 获取私钥
let originalData: Data = ... // 原始数据

do {
    let encryptedData = try encryptRSA(data: originalData, publicKey: publicKey)
    let decryptedData = try decryptRSA(encryptedData: encryptedData, privateKey: privateKey)
    // 对解密后的数据进行处理
} catch {
    // 处理加密解密过程中的错误
}