diff options
Diffstat (limited to 'pkix/src/main/java/org/bouncycastle/cms/CMSAuthenticatedData.java')
| -rw-r--r-- | pkix/src/main/java/org/bouncycastle/cms/CMSAuthenticatedData.java | 260 |
1 files changed, 0 insertions, 260 deletions
diff --git a/pkix/src/main/java/org/bouncycastle/cms/CMSAuthenticatedData.java b/pkix/src/main/java/org/bouncycastle/cms/CMSAuthenticatedData.java deleted file mode 100644 index bd9d5444..00000000 --- a/pkix/src/main/java/org/bouncycastle/cms/CMSAuthenticatedData.java +++ /dev/null @@ -1,260 +0,0 @@ -package org.bouncycastle.cms; - -import java.io.IOException; -import java.io.InputStream; - -import org.bouncycastle.asn1.ASN1Encodable; -import org.bouncycastle.asn1.ASN1OctetString; -import org.bouncycastle.asn1.ASN1Set; -import org.bouncycastle.asn1.cms.AttributeTable; -import org.bouncycastle.asn1.cms.AuthenticatedData; -import org.bouncycastle.asn1.cms.CMSAttributes; -import org.bouncycastle.asn1.cms.ContentInfo; -import org.bouncycastle.asn1.x509.AlgorithmIdentifier; -import org.bouncycastle.operator.DigestCalculatorProvider; -import org.bouncycastle.operator.OperatorCreationException; -import org.bouncycastle.util.Arrays; - -/** - * containing class for an CMS Authenticated Data object - */ -public class CMSAuthenticatedData -{ - RecipientInformationStore recipientInfoStore; - ContentInfo contentInfo; - - private AlgorithmIdentifier macAlg; - private ASN1Set authAttrs; - private ASN1Set unauthAttrs; - private byte[] mac; - private OriginatorInformation originatorInfo; - - public CMSAuthenticatedData( - byte[] authData) - throws CMSException - { - this(CMSUtils.readContentInfo(authData)); - } - - public CMSAuthenticatedData( - byte[] authData, - DigestCalculatorProvider digestCalculatorProvider) - throws CMSException - { - this(CMSUtils.readContentInfo(authData), digestCalculatorProvider); - } - - public CMSAuthenticatedData( - InputStream authData) - throws CMSException - { - this(CMSUtils.readContentInfo(authData)); - } - - public CMSAuthenticatedData( - InputStream authData, - DigestCalculatorProvider digestCalculatorProvider) - throws CMSException - { - this(CMSUtils.readContentInfo(authData), digestCalculatorProvider); - } - - public CMSAuthenticatedData( - ContentInfo contentInfo) - throws CMSException - { - this(contentInfo, null); - } - - public CMSAuthenticatedData( - ContentInfo contentInfo, - DigestCalculatorProvider digestCalculatorProvider) - throws CMSException - { - this.contentInfo = contentInfo; - - AuthenticatedData authData = AuthenticatedData.getInstance(contentInfo.getContent()); - - if (authData.getOriginatorInfo() != null) - { - this.originatorInfo = new OriginatorInformation(authData.getOriginatorInfo()); - } - - // - // read the recipients - // - ASN1Set recipientInfos = authData.getRecipientInfos(); - - this.macAlg = authData.getMacAlgorithm(); - - - this.authAttrs = authData.getAuthAttrs(); - this.mac = authData.getMac().getOctets(); - this.unauthAttrs = authData.getUnauthAttrs(); - - // - // read the authenticated content info - // - ContentInfo encInfo = authData.getEncapsulatedContentInfo(); - CMSReadable readable = new CMSProcessableByteArray( - ASN1OctetString.getInstance(encInfo.getContent()).getOctets()); - - // - // build the RecipientInformationStore - // - if (authAttrs != null) - { - if (digestCalculatorProvider == null) - { - throw new CMSException("a digest calculator provider is required if authenticated attributes are present"); - } - - try - { - CMSSecureReadable secureReadable = new CMSEnvelopedHelper.CMSDigestAuthenticatedSecureReadable(digestCalculatorProvider.get(authData.getDigestAlgorithm()), readable); - - this.recipientInfoStore = CMSEnvelopedHelper.buildRecipientInformationStore(recipientInfos, this.macAlg, secureReadable, new AuthAttributesProvider() - { - public ASN1Set getAuthAttributes() - { - return authAttrs; - } - }); - } - catch (OperatorCreationException e) - { - throw new CMSException("unable to create digest calculator: " + e.getMessage(), e); - } - } - else - { - CMSSecureReadable secureReadable = new CMSEnvelopedHelper.CMSAuthenticatedSecureReadable(this.macAlg, readable); - - this.recipientInfoStore = CMSEnvelopedHelper.buildRecipientInformationStore(recipientInfos, this.macAlg, secureReadable); - } - } - - /** - * Return the originator information associated with this message if present. - * - * @return OriginatorInformation, null if not present. - */ - public OriginatorInformation getOriginatorInfo() - { - return originatorInfo; - } - - public byte[] getMac() - { - return Arrays.clone(mac); - } - - private byte[] encodeObj( - ASN1Encodable obj) - throws IOException - { - if (obj != null) - { - return obj.toASN1Primitive().getEncoded(); - } - - return null; - } - - /** - * Return the MAC algorithm details for the MAC associated with the data in this object. - * - * @return AlgorithmIdentifier representing the MAC algorithm. - */ - public AlgorithmIdentifier getMacAlgorithm() - { - return macAlg; - } - - /** - * return the object identifier for the content MAC algorithm. - */ - public String getMacAlgOID() - { - return macAlg.getAlgorithm().getId(); - } - - /** - * return the ASN.1 encoded MAC algorithm parameters, or null if - * there aren't any. - */ - public byte[] getMacAlgParams() - { - try - { - return encodeObj(macAlg.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 getContentInfo() - { - return contentInfo; - } - - /** - * return a table of the digested attributes indexed by - * the OID of the attribute. - */ - public AttributeTable getAuthAttrs() - { - if (authAttrs == null) - { - return null; - } - - return new AttributeTable(authAttrs); - } - - /** - * return a table of the undigested attributes indexed by - * the OID of the attribute. - */ - public AttributeTable getUnauthAttrs() - { - if (unauthAttrs == null) - { - return null; - } - - return new AttributeTable(unauthAttrs); - } - - /** - * return the ASN.1 encoded representation of this object. - */ - public byte[] getEncoded() - throws IOException - { - return contentInfo.getEncoded(); - } - - public byte[] getContentDigest() - { - if (authAttrs != null) - { - return ASN1OctetString.getInstance(getAuthAttrs().get(CMSAttributes.messageDigest).getAttrValues().getObjectAt(0)).getOctets(); - } - - return null; - } -} |