diff options
Diffstat (limited to 'libraries/spongycastle/pkix/src/main/java/org/spongycastle/cms/CMSEnvelopedData.java')
| -rw-r--r-- | libraries/spongycastle/pkix/src/main/java/org/spongycastle/cms/CMSEnvelopedData.java | 206 |
1 files changed, 0 insertions, 206 deletions
diff --git a/libraries/spongycastle/pkix/src/main/java/org/spongycastle/cms/CMSEnvelopedData.java b/libraries/spongycastle/pkix/src/main/java/org/spongycastle/cms/CMSEnvelopedData.java deleted file mode 100644 index cc4cd30c9..000000000 --- a/libraries/spongycastle/pkix/src/main/java/org/spongycastle/cms/CMSEnvelopedData.java +++ /dev/null @@ -1,206 +0,0 @@ -package org.spongycastle.cms; - -import java.io.IOException; -import java.io.InputStream; - -import org.spongycastle.asn1.ASN1Encodable; -import org.spongycastle.asn1.ASN1Set; -import org.spongycastle.asn1.cms.AttributeTable; -import org.spongycastle.asn1.cms.ContentInfo; -import org.spongycastle.asn1.cms.EncryptedContentInfo; -import org.spongycastle.asn1.cms.EnvelopedData; -import org.spongycastle.asn1.x509.AlgorithmIdentifier; - -/** - * containing class for an CMS Enveloped Data object - * <p> - * Example of use - assuming the first recipient matches the private key we have. - * <pre> - * CMSEnvelopedData ed = new CMSEnvelopedData(inputStream); - * - * RecipientInformationStore recipients = ed.getRecipientInfos(); - * - * Collection c = recipients.getRecipients(); - * Iterator it = c.iterator(); - * - * if (it.hasNext()) - * { - * RecipientInformation recipient = (RecipientInformation)it.next(); - * - * byte[] recData = recipient.getContent(new JceKeyTransEnvelopedRecipient(privateKey).setProvider("SC")); - * - * processData(recData); - * } - * </pre> - */ -public class CMSEnvelopedData -{ - RecipientInformationStore recipientInfoStore; - ContentInfo contentInfo; - - private AlgorithmIdentifier encAlg; - private ASN1Set unprotectedAttributes; - private OriginatorInformation originatorInfo; - - public CMSEnvelopedData( - byte[] envelopedData) - throws CMSException - { - this(CMSUtils.readContentInfo(envelopedData)); - } - - public CMSEnvelopedData( - InputStream envelopedData) - throws CMSException - { - this(CMSUtils.readContentInfo(envelopedData)); - } - - /** - * Construct a CMSEnvelopedData object from a content info object. - * - * @param contentInfo the contentInfo containing the CMS EnvelopedData object. - * @throws CMSException in the case where malformed content is encountered. - */ - public CMSEnvelopedData( - ContentInfo contentInfo) - throws CMSException - { - this.contentInfo = contentInfo; - - try - { - EnvelopedData envData = EnvelopedData.getInstance(contentInfo.getContent()); - - if (envData.getOriginatorInfo() != null) - { - originatorInfo = new OriginatorInformation(envData.getOriginatorInfo()); - } - - // - // read the recipients - // - ASN1Set recipientInfos = envData.getRecipientInfos(); - - // - // read the encrypted content info - // - EncryptedContentInfo encInfo = envData.getEncryptedContentInfo(); - this.encAlg = encInfo.getContentEncryptionAlgorithm(); - CMSReadable readable = new CMSProcessableByteArray(encInfo.getEncryptedContent().getOctets()); - CMSSecureReadable secureReadable = new CMSEnvelopedHelper.CMSEnvelopedSecureReadable( - this.encAlg, readable); - - // - // build the RecipientInformationStore - // - this.recipientInfoStore = CMSEnvelopedHelper.buildRecipientInformationStore( - recipientInfos, this.encAlg, secureReadable); - - this.unprotectedAttributes = envData.getUnprotectedAttrs(); - } - catch (ClassCastException e) - { - throw new CMSException("Malformed content.", e); - } - catch (IllegalArgumentException e) - { - throw new CMSException("Malformed content.", e); - } - } - - private byte[] encodeObj( - ASN1Encodable obj) - throws IOException - { - if (obj != null) - { - return obj.toASN1Primitive().getEncoded(); - } - - return null; - } - - /** - * Return the originator information associated with this message if present. - * - * @return OriginatorInformation, null if not present. - */ - public OriginatorInformation getOriginatorInfo() - { - return originatorInfo; - } - - /** - * Return the content encryption algorithm details for the data in this object. - * - * @return AlgorithmIdentifier representing the content encryption algorithm. - */ - public AlgorithmIdentifier getContentEncryptionAlgorithm() - { - return encAlg; - } - - /** - * return the object identifier for the content encryption algorithm. - */ - public String getEncryptionAlgOID() - { - return encAlg.getAlgorithm().getId(); - } - - /** - * return the ASN.1 encoded encryption algorithm parameters, or null if - * there aren't any. - */ - public byte[] getEncryptionAlgParams() - { - try - { - return encodeObj(encAlg.getParameters()); - } - catch (Exception e) - { - throw new RuntimeException("exception getting encryption parameters " + e); - } - } - - /** - * return a store of the intended recipients for this message - */ - public RecipientInformationStore getRecipientInfos() - { - return recipientInfoStore; - } - - /** - * return the ContentInfo - */ - public ContentInfo toASN1Structure() - { - return contentInfo; - } - - /** - * return a table of the unprotected attributes indexed by - * the OID of the attribute. - */ - public AttributeTable getUnprotectedAttributes() - { - if (unprotectedAttributes == null) - { - return null; - } - - return new AttributeTable(unprotectedAttributes); - } - - /** - * return the ASN.1 encoded representation of this object. - */ - public byte[] getEncoded() - throws IOException - { - return contentInfo.getEncoded(); - } -} |