Marc Delling mdelete
mdelete
/ publicKeyHexModulus
Created
May 23, 2015 21:39
Silly but effective public key modulus extraction in Swift
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| func publicKeyHexModulus(key: SecKeyRef) -> String { | |
| let s = String(format: "\(key)") | |
| let r1 = s.rangeOfString("modulus: ")! | |
| let r2 = Range<String.Index>(start: advance(r1.startIndex, count(r1)), end: advance(r1.endIndex, (SecKeyGetBlockSize(key) * 2))) | |
| return s.substringWithRange(r2) | |
| } |
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| func connection(connection: NSURLConnection, didReceiveAuthenticationChallenge challenge: NSURLAuthenticationChallenge) { | |
| if(challenge.protectionSpace.authenticationMethod == NSURLAuthenticationMethodServerTrust) { | |
| var localTrust: Unmanaged<SecTrust>? | |
| let serverTrust = challenge.protectionSpace.serverTrust! | |
| let serverPublicKey = SecTrustCopyPublicKey(serverTrust).takeRetainedValue(); | |
| let certificateData = NSData(contentsOfFile: NSBundle.mainBundle().pathForResource("pinning-certificate", ofType: "der")!) | |
| let localCertificate = SecCertificateCreateWithData(kCFAllocatorDefault, certificateData).takeRetainedValue(); | |
| let policy = SecPolicyCreateBasicX509().takeRetainedValue() | |
| if SecTrustCreateWithCertificates(localCertificate, policy, &localTrust) == errSecSuccess { |
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| .PHONY: all clean osx ios | |
| export CFLAGS LDFLAGS | |
| OSX_SDK_VERSION = 10.9 | |
| OSX_MIN_VERSION = 10.9 | |
| OSX_ARCH = MacOSX-x86_64 | |
| OSX_TARGET = $(patsubst %,build/%/lib/libsodium.a,$(OSX_ARCH)) | |
| IOS_SDK_VERSION = 7.1 | |
| IOS_MIN_VERSION = 7.1 | |
| IOS_ARCH = iPhoneSimulator-i386 iPhoneSimulator-x86_64 iPhoneOS-armv7 iPhoneOS-armv7s iPhoneOS-arm64 |