Example usage for org.bouncycastle.asn1.cms CMSObjectIdentifiers encryptedData

Introduction

In this page you can find the example usage for org.bouncycastle.asn1.cms CMSObjectIdentifiers encryptedData.

Prototype

ASN1ObjectIdentifier encryptedData

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Document

PKCS#7: 1.2.840.113549.1.7.6

Usage

From source file:mitm.common.security.cms.CMSContentTypeClassifier.java

License:Open Source License

/**
 * Returns the CMS content type of the provided sequence.
 * // w  w  w  .  j  ava  2s  .co  m
 * See RFC3852 for content types
 * 
 * @param sequenceParser
 * @return
 */
public static CMSContentType getContentType(ASN1SequenceParser sequenceParser) {
    CMSContentType contentType = CMSContentType.UNKNOWN;

    try {
        ContentInfoParser contentInfoParser = new ContentInfoParser(sequenceParser);

        DERObjectIdentifier derContentType = contentInfoParser.getContentType();

        if (CMSObjectIdentifiers.data.equals(derContentType)) {
            contentType = CMSContentType.DATA;
        } else if (CMSObjectIdentifiers.signedData.equals(derContentType)) {
            contentType = CMSContentType.SIGNEDDATA;
        } else if (CMSObjectIdentifiers.envelopedData.equals(derContentType)) {
            contentType = CMSContentType.ENVELOPEDDATA;
        } else if (CMSObjectIdentifiers.signedAndEnvelopedData.equals(derContentType)) {
            contentType = CMSContentType.SIGNEDANDENVELOPEDDATA;
        } else if (CMSObjectIdentifiers.digestedData.equals(derContentType)) {
            contentType = CMSContentType.DIGESTEDDATA;
        } else if (CMSObjectIdentifiers.encryptedData.equals(derContentType)) {
            contentType = CMSContentType.ENCRYPTEDDATA;
        } else if (CMSObjectIdentifiers.compressedData.equals(derContentType)) {
            contentType = CMSContentType.COMPRESSEDDATA;
        }
    } catch (IOException e) {
        logger.error("IOException retrieving CMS content type", e);
    }
    return contentType;
}

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