mirror of
https://github.com/obsproject/obs-studio.git
synced 2024-07-19 09:39:15 +00:00
29 lines
1.1 KiB
Plaintext
29 lines
1.1 KiB
Plaintext
#include "crypto-helpers.hpp"
|
|
|
|
#import <Foundation/Foundation.h>
|
|
#import <Security/Security.h>
|
|
#import <Security/SecKey.h>
|
|
|
|
bool VerifySignature(const uint8_t *pubKey, const size_t pubKeyLen, const uint8_t *buf, const size_t len,
|
|
const uint8_t *sig, const size_t sigLen)
|
|
{
|
|
NSData *pubKeyData = [NSData dataWithBytes:pubKey length:pubKeyLen];
|
|
CFArrayRef items = nullptr;
|
|
|
|
OSStatus res = SecItemImport((CFDataRef) pubKeyData, nullptr, nullptr, nullptr, (SecItemImportExportFlags) 0,
|
|
nullptr, nullptr, &items);
|
|
if (res != errSecSuccess)
|
|
return false;
|
|
|
|
SecKeyRef pubKeyRef = (SecKeyRef) CFArrayGetValueAtIndex(items, 0);
|
|
NSData *signedData = [NSData dataWithBytes:buf length:len];
|
|
NSData *signature = [NSData dataWithBytes:sig length:sigLen];
|
|
|
|
CFErrorRef errRef;
|
|
bool result = SecKeyVerifySignature(pubKeyRef, kSecKeyAlgorithmRSASignatureMessagePKCS1v15SHA512,
|
|
(__bridge CFDataRef) signedData, (__bridge CFDataRef) signature, &errRef);
|
|
|
|
CFRelease(items);
|
|
return result;
|
|
};
|