Examples with ASN1InputStream org.spongycastle.asn1.ASN1InputStream used on opensource projects

Example 31 with ASN1InputStream

use of org.spongycastle.asn1.ASN1InputStream in project android_packages_apps_Settings by LineageOS.

the class CertInstallerHelper method isCa.

private boolean isCa(X509Certificate cert) {
    try {
        byte[] asn1EncodedBytes = cert.getExtensionValue("2.5.29.19");
        if (asn1EncodedBytes == null) {
            return false;
        }
        DEROctetString derOctetString = (DEROctetString) new ASN1InputStream(asn1EncodedBytes).readObject();
        byte[] octets = derOctetString.getOctets();
        ASN1Sequence sequence = (ASN1Sequence) new ASN1InputStream(octets).readObject();
        return BasicConstraints.getInstance(sequence).isCA();
    } catch (IOException e) {
        return false;
    }
}

Example 32 with ASN1InputStream

use of org.spongycastle.asn1.ASN1InputStream in project BiglyBT by BiglySoftware.

the class Dump method main.

public static void main(String[] args) throws Exception {
    FileInputStream fIn = new FileInputStream(args[0]);
    ASN1InputStream bIn = new ASN1InputStream(fIn);
    Object obj = null;
    while ((obj = bIn.readObject()) != null) {
        System.out.println(ASN1Dump.dumpAsString(obj));
    }
}

Example 33 with ASN1InputStream

use of org.spongycastle.asn1.ASN1InputStream in project BiglyBT by BiglySoftware.

the class X509NameEntryConverter method convertHexEncoded.

/**
 * Convert an inline encoded hex string rendition of an ASN.1
 * object back into its corresponding ASN.1 object.
 *
 * @param str the hex encoded object
 * @param off the index at which the encoding starts
 * @return the decoded object
 */
protected DERObject convertHexEncoded(String str, int off) throws IOException {
    str = Strings.toLowerCase(str);
    byte[] data = new byte[(str.length() - off) / 2];
    for (int index = 0; index != data.length; index++) {
        char left = str.charAt((index * 2) + off);
        char right = str.charAt((index * 2) + off + 1);
        if (left < 'a') {
            data[index] = (byte) ((left - '0') << 4);
        } else {
            data[index] = (byte) ((left - 'a' + 10) << 4);
        }
        if (right < 'a') {
            data[index] |= (byte) (right - '0');
        } else {
            data[index] |= (byte) (right - 'a' + 10);
        }
    }
    ASN1InputStream aIn = new ASN1InputStream(data);
    return aIn.readObject();
}

Example 34 with ASN1InputStream

use of org.spongycastle.asn1.ASN1InputStream in project BiglyBT by BiglySoftware.

the class PrincipalUtil method getSubjectX509Principal.

/**
 * return the subject of the given cert as an X509PrincipalObject.
 */
public static X509Principal getSubjectX509Principal(X509Certificate cert) throws CertificateEncodingException {
    try {
        ByteArrayInputStream bIn = new ByteArrayInputStream(cert.getTBSCertificate());
        ASN1InputStream aIn = new ASN1InputStream(bIn);
        TBSCertificateStructure tbsCert = new TBSCertificateStructure((ASN1Sequence) aIn.readObject());
        return new X509Principal(tbsCert.getSubject());
    } catch (IOException e) {
        throw new CertificateEncodingException(e.toString());
    }
}

Example 35 with ASN1InputStream

use of org.spongycastle.asn1.ASN1InputStream in project keystore-explorer by kaikramer.

the class X509Ext method getNetscapeCertificateTypeStringValue.

private String getNetscapeCertificateTypeStringValue(byte[] value) throws IOException {
    // @formatter:off
    /*
		 * NetscapeCertType ::= BIT STRING { sslClient (0), sslServer (1), smime
		 * (2), objectSigning (3), reserved (4), sslCA (5), smimeCA (6),
		 * objectSigningCA (7) }
		 */
    // @formatter:on
    StringBuilder sb = new StringBuilder();
    // we have a ByteArrayInputStream here which does not need to be closed
    @SuppressWarnings("resource") DERBitString netscapeCertType = DERBitString.getInstance(new ASN1InputStream(value).readObject());
    int netscapeCertTypes = netscapeCertType.intValue();
    if (isCertType(netscapeCertTypes, NetscapeCertType.sslClient)) {
        sb.append(res.getString("SslClientNetscapeCertificateType"));
        sb.append(NEWLINE);
    }
    if (isCertType(netscapeCertTypes, NetscapeCertType.sslServer)) {
        sb.append(res.getString("SslServerNetscapeCertificateType"));
        sb.append(NEWLINE);
    }
    if (isCertType(netscapeCertTypes, NetscapeCertType.smime)) {
        sb.append(res.getString("SmimeNetscapeCertificateType"));
        sb.append(NEWLINE);
    }
    if (isCertType(netscapeCertTypes, NetscapeCertType.objectSigning)) {
        sb.append(res.getString("ObjectSigningNetscapeCertificateType"));
        sb.append(NEWLINE);
    }
    if (isCertType(netscapeCertTypes, NetscapeCertType.reserved)) {
        sb.append(res.getString("ReservedNetscapeCertificateType"));
        sb.append(NEWLINE);
    }
    if (isCertType(netscapeCertTypes, NetscapeCertType.sslCA)) {
        sb.append(res.getString("SslCaNetscapeCertificateType"));
        sb.append(NEWLINE);
    }
    if (isCertType(netscapeCertTypes, NetscapeCertType.smimeCA)) {
        sb.append(res.getString("SmimeCaNetscapeCertificateType"));
        sb.append(NEWLINE);
    }
    if (isCertType(netscapeCertTypes, NetscapeCertType.objectSigningCA)) {
        sb.append(res.getString("ObjectSigningCaNetscapeCertificateType"));
        sb.append(NEWLINE);
    }
    return sb.toString();
}