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Version Swift Version Carthage compatible

Simple CommonCrypto wrapper for Swift for macOS, iOS, watchOS, and tvOS with Carthage support.

Released under the MIT license. Enjoy.


Carthage is the recommended way to install Crypto. Add the following to your Cartfile:

github "soffes/Crypto"

Note: this library depends on CommonCrypto, so you'll need to add both Crypto and CommonCrypto to your project.


Currently, only digest and HMAC are supported.


There are extensions for Data and String for convenience:

import Crypto

"sam".sha1 // "f16bed56189e249fe4ca8ed10a1ecae60e8ceac0"
data.sha1  // <Data …>

MD2, MD4, MD5, SHA1, SHA224, SHA256, SHA384, SHA512 are available.

You can also use Digest directly:

Digest.md5(bytes: data.bytes, length: data.length) // [UInt8]


HMAC in CommonCrypto is also supported.

HMAC.sign(message: "sam", algorithm: .sha1, key: "secret") // 1a90fa4e73686dfca75f5411d9fb81951edf1292

HMAC.sign(data: messageData, algorithm: .sha1, key: keyData) // <Data …>

MD5, SHA1, SHA224, SHA256, SHA384, SHA512 are the available algorithms.


This is a work in progress.

  • [ ] Cryptor
  • [x] Digest
  • [x] HMAC
  • [ ] Key Derivation
  • [ ] Random
  • [ ] Symmetric Key Wrap

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