From b9ac2b15eac3e5e5f9dc89c948ec8278e2e7c1f9 Mon Sep 17 00:00:00 2001 From: Arne Schwabe Date: Mon, 6 Aug 2018 18:19:41 +0200 Subject: Implement certificate authentication via external provider --- .../externalcertprovider/ExternalCertService.java | 135 +++------------------ 1 file changed, 18 insertions(+), 117 deletions(-) (limited to 'tlsexternalcertprovider/src/main/java/de/blinkt/externalcertprovider/ExternalCertService.java') diff --git a/tlsexternalcertprovider/src/main/java/de/blinkt/externalcertprovider/ExternalCertService.java b/tlsexternalcertprovider/src/main/java/de/blinkt/externalcertprovider/ExternalCertService.java index 5948a2b2..caf382dd 100644 --- a/tlsexternalcertprovider/src/main/java/de/blinkt/externalcertprovider/ExternalCertService.java +++ b/tlsexternalcertprovider/src/main/java/de/blinkt/externalcertprovider/ExternalCertService.java @@ -7,8 +7,10 @@ package de.blinkt.externalcertprovider; import android.app.Service; import android.content.Intent; +import android.os.Bundle; import android.os.IBinder; import android.os.RemoteException; +import android.text.TextUtils; import de.blinkt.openvpn.api.ExternalCertificateProvider; import org.bouncycastle.openssl.PEMKeyPair; import org.bouncycastle.openssl.PEMParser; @@ -26,6 +28,9 @@ import java.security.PrivateKey; import java.security.spec.InvalidKeySpecException; import java.security.spec.PKCS8EncodedKeySpec; +import static de.blinkt.externalcertprovider.SelectCertificateActivity.EXTRA_ALIAS; +import static de.blinkt.externalcertprovider.SelectCertificateActivity.EXTRA_DESCRIPTION; + /** * This is a VERY basic implementation. * It does not even check if the service is even allowed to use the API @@ -33,128 +38,14 @@ import java.security.spec.PKCS8EncodedKeySpec; */ public class ExternalCertService extends Service { - String pemkey = "-----BEGIN PRIVATE KEY-----\n" + - "MIIEvgIBADANBgkqhkiG9w0BAQEFAASCBKgwggSkAgEAAoIBAQDsZY/pEsIaW+ZW\n" + - "KgipgjotRHijADuwn+cnEECT7/HMPqCqBKKAGxOp5v6B1nCQqNjU3jDYNQDSvmLw\n" + - "SNr8FY3Exm0LmfErgwAK0yojC+XN+TXfQ2EVcq2VmPZzIUFeoN1HJ6DVmtRBqBwd\n" + - "VyBxF4/3KJ4+B87s1Q5CTx50R45HndIUKCcsFBD10Za1k3SE7/kE3o1Kb993q+rR\n" + - "WNNE/loEAf8Gepf3/eNXSOHw30ATn2YjWuNVVD1UOe4A+RLx0t90LrrX8I3G3RhY\n" + - "HJMiC3X6qNbgtS8tudT+uU+G4nVIFmD7P8m0MEIp+zuzK7lZgWpG80WDv/3VGv83\n" + - "DG9b/WHxAgMBAAECggEBAIOdaCpUD02trOh8LqZxowJhBOl7z7/ex0uweMPk67LT\n" + - "i5AdVHwOlzwZJ8oSIknoOBEMRBWcLQEojt1JMuL2/R95emzjIKshHHzqZKNulFvB\n" + - "TIUpdnwChTKtH0mqUkLlPU3Ienty4IpNlpmfUKimfbkWHERdBJBHbtDsTABhdo3X\n" + - "9pCF/yRKqJS2Fy/Mkl3gv1y/NB1OL4Jhl7vQbf+kmgfQN2qdOVe2BOKQ8NlPUDmE\n" + - "/1XNIDaE3s6uvUaoFfwowzsCCwN2/8QrRMMKkjvV+lEVtNmQdYxj5Xj5IwS0vkK0\n" + - "6icsngW87cpZxxc1zsRWcSTloy5ohub4FgKhlolmigECgYEA+cBlxzLvaMzMlBQY\n" + - "kCac9KQMvVL+DIFHlZA5i5L/9pRVp4JJwj3GUoehFJoFhsxnKr8HZyLwBKlCmUVm\n" + - "VxnshRWiAU18emUmeAtSGawlAS3QXhikVZDdd/L20YusLT+DXV81wlKR97/r9+17\n" + - "klQOLkSdPm9wcMDOWMNHX8bUg8kCgYEA8k+hQv6+TR/+Beao2IIctFtw/EauaJiJ\n" + - "wW5ql1cpCLPMAOQUvjs0Km3zqctfBF8mUjdkcyJ4uhL9FZtfywY22EtRIXOJ/8VR\n" + - "we65mVo6RLR8YVM54sihanuFOnlyF9LIBWB+9pUfh1/Y7DSebh7W73uxhAxQhi3Y\n" + - "QwfIQIFd8OkCgYBalH4VXhLYhpaYCiXSej6ot6rrK2N6c5Tb2MAWMA1nh+r84tMP\n" + - "gMoh+pDgYPAqMI4mQbxUmqZEeoLuBe6VHpDav7rPECRaW781AJ4ZM4cEQ3Jz/inz\n" + - "4qOAMn10CF081/Ez9ykPPlU0bsYNWHNd4eB2xWnmUBKOwk7UgJatVPaUiQKBgQCI\n" + - "f18CVGpzG9CHFnaK8FCnMNOm6VIaTcNcGY0mD81nv5Dt943P054BQMsAHTY7SjZW\n" + - "HioRyZtkhonXAB2oSqnekh7zzxgv4sG5k3ct8evdBCcE1FNJc2eqikZ0uDETRoOy\n" + - "s7cRxNNr+QxDkyikM+80HOPU1PMPgwfOSrX90GJQ8QKBgEBKohGMV/sNa4t14Iau\n" + - "qO8aagoqh/68K9GFXljsl3/iCSa964HIEREtW09Qz1w3dotEgp2w8bsDa+OwWrLy\n" + - "0SY7T5jRViM3cDWRlUBLrGGiL0FiwsfqiRiji60y19erJgrgyGVIb1kIgIBRkgFM\n" + - "2MMweASzTmZcri4PA/5C0HYb\n" + - "-----END PRIVATE KEY-----\n"; - - String[] certchain = new String[]{"-----BEGIN CERTIFICATE-----\n" + - "MIIFFDCCAvygAwIBAgIBAjANBgkqhkiG9w0BAQsFADBmMQswCQYDVQQGEwJLRzEL\n" + - "MAkGA1UECBMCTkExEDAOBgNVBAcTB0JJU0hLRUsxFTATBgNVBAoTDE9wZW5WUE4t\n" + - "VEVTVDEhMB8GCSqGSIb3DQEJARYSbWVAbXlob3N0Lm15ZG9tYWluMB4XDTE0MTAy\n" + - "MjIxNTk1M1oXDTI0MTAxOTIxNTk1M1owajELMAkGA1UEBhMCS0cxCzAJBgNVBAgT\n" + - "Ak5BMRUwEwYDVQQKEwxPcGVuVlBOLVRFU1QxFDASBgNVBAMTC1Rlc3QtQ2xpZW50\n" + - "MSEwHwYJKoZIhvcNAQkBFhJtZUBteWhvc3QubXlkb21haW4wggEiMA0GCSqGSIb3\n" + - "DQEBAQUAA4IBDwAwggEKAoIBAQDsZY/pEsIaW+ZWKgipgjotRHijADuwn+cnEECT\n" + - "7/HMPqCqBKKAGxOp5v6B1nCQqNjU3jDYNQDSvmLwSNr8FY3Exm0LmfErgwAK0yoj\n" + - "C+XN+TXfQ2EVcq2VmPZzIUFeoN1HJ6DVmtRBqBwdVyBxF4/3KJ4+B87s1Q5CTx50\n" + - "R45HndIUKCcsFBD10Za1k3SE7/kE3o1Kb993q+rRWNNE/loEAf8Gepf3/eNXSOHw\n" + - "30ATn2YjWuNVVD1UOe4A+RLx0t90LrrX8I3G3RhYHJMiC3X6qNbgtS8tudT+uU+G\n" + - "4nVIFmD7P8m0MEIp+zuzK7lZgWpG80WDv/3VGv83DG9b/WHxAgMBAAGjgcgwgcUw\n" + - "CQYDVR0TBAIwADAdBgNVHQ4EFgQU0rQ2D7H83aXqKvfHI4n64/p6RB0wgZgGA1Ud\n" + - "IwSBkDCBjYAUK0DlyX319JY46S/jL9lAZMmOBZuhaqRoMGYxCzAJBgNVBAYTAktH\n" + - "MQswCQYDVQQIEwJOQTEQMA4GA1UEBxMHQklTSEtFSzEVMBMGA1UEChMMT3BlblZQ\n" + - "Ti1URVNUMSEwHwYJKoZIhvcNAQkBFhJtZUBteWhvc3QubXlkb21haW6CCQChTt76\n" + - "kPKugTANBgkqhkiG9w0BAQsFAAOCAgEAf+D+hKfs32KlzTzB5kKxMRLwudqnnj+9\n" + - "llK2/FV0ZD7k/36q9z4GGF9zhfjI4GcbTZfKBdA3BzNkm+Z4dxSaVbsqrMN/yRUI\n" + - "g1zIwmHTcUwFCyvLo4dtoDLtsLMnl0pVjQEqMFZoq/LaXBBzyaoKnEtMoFtRbgp+\n" + - "bFOAsADhHppMCjeeIIm8xeV5WLdF/9PEof3ZeD1FFnTfgkQdHYFQWrkyTOJPPw46\n" + - "ZVpkgzspMcSZiLzFhDnyGRLhZtDq+3Wx0ie+kVmjKwnVXL9GjtZn1gvs2qvwgBmH\n" + - "ZAepd7FeDOLFHWqsXSPzMHU2TsrDTrBNjCzOUmFj3tX17+8KayMlJjw68sPCFhk/\n" + - "qTK6aPnJEjw+xh//m070kLBj9dEzADBa6CT6NUSbaoDzpsx7PHNfUMQwcdh0kCcK\n" + - "AU6lXrH42sJhgRGuKaOP+n5MTmKxAN6S449qLtrZOF1rfA3kAarIxm2LzcDIbuRX\n" + - "IYr2RjDZrVGhh5amU8kexrvD61X+jNZc1cbzyrBg0tQqH4iU00wa2gyU/sFdDSrb\n" + - "mSld9t0WxMhNdJ6A2dCq7XvjMORH2PUVwXG4xv3u/J6yX7W3ku3/yjf2x4K0VBOb\n" + - "g82Hi35k9i5UOiKxxcH0pSVTmk2oD+c1S4nfGYNmZNnb0WErJBsdRET7STCHt0kj\n" + - "CAKK4CXz9EM=\n" + - "-----END CERTIFICATE-----\n" - , - "-----BEGIN CERTIFICATE-----\n" + - "MIIGKDCCBBCgAwIBAgIJAKFO3vqQ8q6BMA0GCSqGSIb3DQEBCwUAMGYxCzAJBgNV\n" + - "BAYTAktHMQswCQYDVQQIEwJOQTEQMA4GA1UEBxMHQklTSEtFSzEVMBMGA1UEChMM\n" + - "T3BlblZQTi1URVNUMSEwHwYJKoZIhvcNAQkBFhJtZUBteWhvc3QubXlkb21haW4w\n" + - "HhcNMTQxMDIyMjE1OTUyWhcNMjQxMDE5MjE1OTUyWjBmMQswCQYDVQQGEwJLRzEL\n" + - "MAkGA1UECBMCTkExEDAOBgNVBAcTB0JJU0hLRUsxFTATBgNVBAoTDE9wZW5WUE4t\n" + - "VEVTVDEhMB8GCSqGSIb3DQEJARYSbWVAbXlob3N0Lm15ZG9tYWluMIICIjANBgkq\n" + - "hkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAsJVPCqt3vtoDW2U0DII1QIh2Qs0dqh88\n" + - "8nivxAIm2LTq93e9fJhsq3P/UVYAYSeCIrekXypR0EQgSgcNTvGBMe20BoHO5yvb\n" + - "GjKPmjfLj6XRotCOGy8EDl/hLgRY9efiA8wsVfuvF2q/FblyJQPR/gPiDtTmUiqF\n" + - "qXa7AJmMrqFsnWppOuGd7Qc6aTsae4TF1e/gUTCTraa7NeHowDaKhdyFmEEnCYR5\n" + - "CeUsx2JlFWAH8PCrxBpHYbmGyvS0kH3+rQkaSM/Pzc2bS4ayHaOYRK5XsGq8XiNG\n" + - "KTTLnSaCdPeHsI+3xMHmEh+u5Og2DFGgvyD22gde6W2ezvEKCUDrzR7bsnYqqyUy\n" + - "n7LxnkPXGyvR52T06G8KzLKQRmDlPIXhzKMO07qkHmIonXTdF7YI1azwHpAtN4dS\n" + - "rUe1bvjiTSoEsQPfOAyvD0RMK/CBfgEZUzAB50e/IlbZ84c0DJfUMOm4xCyft1HF\n" + - "YpYeyCf5dxoIjweCPOoP426+aTXM7kqq0ieIr6YxnKV6OGGLKEY+VNZh1DS7enqV\n" + - "HP5i8eimyuUYPoQhbK9xtDGMgghnc6Hn8BldPMcvz98HdTEH4rBfA3yNuCxLSNow\n" + - "4jJuLjNXh2QeiUtWtkXja7ec+P7VqKTduJoRaX7cs+8E3ImigiRnvmK+npk7Nt1y\n" + - "YE9hBRhSoLsCAwEAAaOB2DCB1TAdBgNVHQ4EFgQUK0DlyX319JY46S/jL9lAZMmO\n" + - "BZswgZgGA1UdIwSBkDCBjYAUK0DlyX319JY46S/jL9lAZMmOBZuhaqRoMGYxCzAJ\n" + - "BgNVBAYTAktHMQswCQYDVQQIEwJOQTEQMA4GA1UEBxMHQklTSEtFSzEVMBMGA1UE\n" + - "ChMMT3BlblZQTi1URVNUMSEwHwYJKoZIhvcNAQkBFhJtZUBteWhvc3QubXlkb21h\n" + - "aW6CCQChTt76kPKugTAMBgNVHRMEBTADAQH/MAsGA1UdDwQEAwIBBjANBgkqhkiG\n" + - "9w0BAQsFAAOCAgEABc77f4C4P8fIS+V8qCJmVNSDU44UZBc+D+J6ZTgW8JeOHUIj\n" + - "Bh++XDg3gwat7pIWQ8AU5R7h+fpBI9n3dadyIsMHGwSogHY9Gw7di2RVtSFajEth\n" + - "rvrq0JbzpwoYedMh84sJ2qI/DGKW9/Is9+O52fR+3z3dY3gNRDPQ5675BQ5CQW9I\n" + - "AJgLOqzD8Q0qrXYi7HaEqzNx6p7RDTuhFgvTd+vS5d5+28Z5fm2umnq+GKHF8W5P\n" + - "ylp2Js119FTVO7brusAMKPe5emc7tC2ov8OFFemQvfHR41PLryap2VD81IOgmt/J\n" + - "kX/j/y5KGux5HZ3lxXqdJbKcAq4NKYQT0mCkRD4l6szaCEJ+k0SiM9DdTcBDefhR\n" + - "9q+pCOyMh7d8QjQ1075mF7T+PGkZQUW1DUjEfrZhICnKgq+iEoUmM0Ee5WtRqcnu\n" + - "5BTGQ2mSfc6rV+Vr+eYXqcg7Nxb3vFXYSTod1UhefonVqwdmyJ2sC79zp36Tbo2+\n" + - "65NW2WJK7KzPUyOJU0U9bcu0utvDOvGWmG+aHbymJgcoFzvZmlXqMXn97pSFn4jV\n" + - "y3SLRgJXOw1QLXL2Y5abcuoBVr4gCOxxk2vBeVxOMRXNqSWZOFIF1bu/PxuDA+Sa\n" + - "hEi44aHbPXt9opdssz/hdGfd8Wo7vEJrbg7c6zR6C/Akav1Rzy9oohIdgOw=\n" + - "-----END CERTIFICATE-----\n"}; private final ExternalCertificateProvider.Stub mBinder = new ExternalCertificateProvider.Stub() { @Override public byte[] getSignedData(String alias, byte[] data) throws RemoteException { try { - - // This is more or less code that has been just modified long enough that it works - // Don't take it as good example how to get a Privatekey - StringReader keyreader = new StringReader(certchain + pemkey); - PEMParser pemparser = new PEMParser(keyreader); - - PEMKeyPair bcKeyPair = (PEMKeyPair) pemparser.readObject(); - - PKCS8EncodedKeySpec keySpec = new PKCS8EncodedKeySpec(bcKeyPair.getPrivateKeyInfo().getEncoded()); - KeyFactory kf = KeyFactory.getInstance("RSA"); - PrivateKey key = kf.generatePrivate(keySpec); - - // The actual signing - - Cipher signer; - signer = Cipher.getInstance("RSA/ECB/PKCS1PADDING"); + return SimpleSigner.signData(data); - signer.init(Cipher.ENCRYPT_MODE, key); - - byte[] signed_bytes = signer.doFinal(data); - return signed_bytes; } catch (IOException e) { e.printStackTrace(); } catch (NoSuchPaddingException e) { @@ -176,12 +67,22 @@ public class ExternalCertService extends Service { } @Override - public String[] getCertificateChain(String alias) throws RemoteException { + public byte[] getCertificateChain(String alias) throws RemoteException { + + return TextUtils.join("\n", SimpleSigner.certchain).getBytes(); + } - return certchain; + @Override + public Bundle getCertificateMetaData(String alias){ + Bundle b = new Bundle(); + b.putString(EXTRA_ALIAS, "mynicecert"); + b.putString(EXTRA_DESCRIPTION, "Super secret example key!"); + return b; } }; + + @Override public void onCreate() { super.onCreate(); -- cgit v1.2.3