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harleyAnHui/WHFoundationExtension 0.0.4
A extension for foundation framework in swift
⭐ïļ 1
🕓 3 weeks ago
iOS
.package(url: "https://github.com/harleyAnHui/WHFoundationExtension.git", from: "0.0.4")

WHFoundationExtension

WHFoundationExtension is an extension of Foundation framework written in Swift.

Features

  • ☑ Create a UInt from Data with given byte ordering
  • ☑ Conversion between Date and String
  • ☑ Conversion between Dictionary and String
  • ☑ URL Encoding
  • ☑ Base-64 encoding or decoding support
  • ☑ Conversion between Data and hexadecimal string
  • ☑ Create or parse a SecCertificate in a convinence way
  • ☑ Generate hash for Data with a hashing algorithm, SHA1,SHA224...
  • ☑ Symmetric encryption support
  • ☑ RSA support, such as generating a key pair, encryption and Signature

Requirements

Platform Minimum Swift Version Installation Status
iOS 13.0+ 5.1 CocoaPods, Swift Package Manager, Manual Fully Tested

Communication

  • If you found a bug, open an issue here on GitHub and follow the guide. The more detail the better!
  • If you want to contribute, submit a pull request!

Installation

CocoaPods

CocoaPods is a dependency manager for Cocoa projects. For usage and installation instructions, visit their website. To integrate WHFoundationExtension into your Xcode project using CocoaPods, specify it in your Podfile:

pod 'WHFoundationExtension', '~> 0.0.4'

Swift Package Manager

The Swift Package Manager is a tool for automating the distribution of Swift code and is integrated into the swift compiler. It is in early development, but WHFoundationExtension does support its use on supported platforms.

Once you have your Swift package set up, adding WHFoundationExtension as a dependency is as easy as adding it to the dependencies value of your Package.swift.

dependencies: [
    .package(url: "https://github.com/harleyAnHui/WHFoundationExtension.git", .upToNextMajor(from: "0.0.4"))
]

Manually

If you prefer not to use any of the above mentioned dependency managers, you can integrate WHFoundationExtension into your project manually.

Usage

Create a UInt from Data with given byte ordering

let data = Data([0x15, 0xa3, 0xbc, 0xff])
let value = UInt16(data: data, offset: 1) // value is 0xa3bc
let lData = value.data(bigEndian: false) // lData is [0xbc, 0xa3]
        

Conversion between Date and String

let dateString = "2022-05-06 10:56:00"
let date = dateString.date()
let string = date.string()
        

Create or parse a SecCertificate

let testBundle = Bundle(for: type(of: self))
let path = testBundle.path(forResource: "DeveloperCertification", ofType: ".cer")
do {
     let cert = try SecCertificate.create(contentOf: path!)
     let subjet = cert?.subjectSummary
     let serialNumber = cert?.serialNumber
     let publicKey = cert?.publicKey
} catch  {
     print(error)
}
        

Generate hash value for Data

Symmetric encryption

let data = Data([0x31, 0x32, 0x33, 0x34])
do {
	/// Generate hash value for Data
	let sha1 = try data.digest(using: SecurityDigestType.SHA1)
	
	/// Encrypt or Decrypt
	let plain = "0123456789".data(using: .utf8)!
	let key16 = "0123456789abcedf".data(using: .utf8)!
	let iv16 = "0123456789abcedf".data(using: .utf8)!
	let encoded = try plain.encrypt(alg: SecurityAlgorithm.AES, mode: SecurityMode.CFB, padding: SecurityPadding.ISO7816Padding, key: key16, iv: iv16)
	let decoded = try encoded.decrypt(alg: SecurityAlgorithm.AES, mode: SecurityMode.CFB, padding: SecurityPadding.ISO7816Padding, key: key16, iv: iv16)
   
} catch {
	print(error)
}
        

RSA support

do {
   /// Create RSA Key pair
   let (publicSecKey, privateSecKey) = try Data.createRSAKeyPair(2048)
   let plain = "995614A05501D98C52B80BF57DF1837CCF74C019E125FDD4A8245DA9CF6FC6F357BEC04E9DBD7E802E10FF94CB3E6F7DF442B027F0DE07432C701D9F08ADB3A3BEDF71AD325A4FF7F61D7430559806E6F615FF756038BD0868D8BCC5BD41C375831ECE4D489E9EECD66E0952BEA1B9947BE86B20AE985029BA357E0FBDE1CE41".data(using: .utf8)
   let cipher = try plain?.encrypt(with: publicSecKey)
   let decrpt = try cipher?.decrpt(with: privateSecKey)
   
   /// Sign and Verify
   let plainDigest = try plain?.digest(using: SecurityDigestType.SHA256)
   var signature = try plainDigest?.signature(with: privateSecKey, digestType: SecurityDigestType.SHA256)
   let successful = try signature!.verifySignature(with: publicSecKey, dataToSign: plainDigest!, digestType: SecurityDigestType.SHA256)
   
} catch {
	print(error)
}
        

License

WHFoundationExtension is released under the MIT license. See LICENSE for details.

GitHub

link
Stars: 1
Last commit: 3 weeks ago
jonrohan Something's broken? Yell at me @ptrpavlik. Praise and feedback (and money) is also welcome.

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