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POcreateKeychainValue from a NSString
 

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    <p>I'm trying to add a certificate to the keychain. I saw several posts that make this from a file, but I want to create one from a NSString.</p> <p>My NSString is on RSA - 64base and is like:</p> <pre><code>-----BEGIN CERTIFICATE----- MIIDoDCCAoigAwIBAgIJAL8qgXMVVVhPMA0GCSqGSIb3DQEBBQUAMGwxCzAJBgNVBAYTAkJSMRIw ... FT70at8bty9ocDaXuI3j6mfw2SI= -----END CERTIFICATE----- </code></pre> <p>And I'm trying to do something like this:</p> <pre><code>+ (NSMutableDictionary *)newSearchDictionary:(NSString *)identifier { NSMutableDictionary *searchDictionary = [[NSMutableDictionary alloc] init]; [searchDictionary setObject:(__bridge id)kSecClassCertificate forKey:(__bridge id)kSecClass]; NSData *encodedIdentifier = [identifier dataUsingEncoding:NSUTF8StringEncoding]; [searchDictionary setObject:encodedIdentifier forKey:(__bridge id)kSecAttrGeneric]; [searchDictionary setObject:encodedIdentifier forKey:(__bridge id)kSecAttrAccount]; [searchDictionary setObject:SERVICE_NAME forKey:(__bridge id)kSecAttrService]; return searchDictionary; } + (BOOL)createKeychainValue:(NSString *)certificado forIdentifier:(NSString *)identifier { NSMutableDictionary *dictionary = [self newSearchDictionary:identifier]; NSData *certificadoData = [certificado dataUsingEncoding:NSUTF8StringEncoding]; SecCertificateRef cert = SecCertificateCreateWithData(NULL, (__bridge CFDataRef) certificadoData); [dictionary setObject:(__bridge id)(cert) forKey:(__bridge id&lt;NSCopying&gt;)(kSecValueRef)]; OSStatus status = SecItemAdd((__bridge CFDictionaryRef)dictionary, NULL); CFRelease(cert); if (status == errSecSuccess) { return YES; } return NO; } </code></pre> <p>But is getting back the cert as nil. Probably because my certificate is PEM and I need a DER. How can I convert? I'm using openssl on my project.</p>
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