Xcode 11.0+

RSA signature, verification signature, encryption and decryption
KeyChain data storage

AVFoundation
CoreText
AudioToolbox
CoreGraphics
libz
libc++.1

• Download OpenSSL into the project, or use cocoapods to import OpenSSL
• Build your own server, replace the URL of the data request in the project.
• run xcWorkspace

Copyright 2020 PAChain

Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at

https://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.