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io.gatling.recorder.internal.bouncycastle.cms.CMSEnvelopedHelper Maven / Gradle / Ivy
package io.gatling.recorder.internal.bouncycastle.cms;
import java.io.FilterInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.ArrayList;
import java.util.List;
import io.gatling.recorder.internal.bouncycastle.asn1.ASN1Encodable;
import io.gatling.recorder.internal.bouncycastle.asn1.ASN1ObjectIdentifier;
import io.gatling.recorder.internal.bouncycastle.asn1.ASN1Set;
import io.gatling.recorder.internal.bouncycastle.asn1.cms.CMSObjectIdentifiers;
import io.gatling.recorder.internal.bouncycastle.asn1.cms.KEKRecipientInfo;
import io.gatling.recorder.internal.bouncycastle.asn1.cms.KEMRecipientInfo;
import io.gatling.recorder.internal.bouncycastle.asn1.cms.KeyAgreeRecipientInfo;
import io.gatling.recorder.internal.bouncycastle.asn1.cms.KeyTransRecipientInfo;
import io.gatling.recorder.internal.bouncycastle.asn1.cms.OtherRecipientInfo;
import io.gatling.recorder.internal.bouncycastle.asn1.cms.PasswordRecipientInfo;
import io.gatling.recorder.internal.bouncycastle.asn1.cms.RecipientInfo;
import io.gatling.recorder.internal.bouncycastle.asn1.x509.AlgorithmIdentifier;
import io.gatling.recorder.internal.bouncycastle.operator.DigestCalculator;
class CMSEnvelopedHelper
{
static RecipientInformationStore buildRecipientInformationStore(
ASN1Set recipientInfos, AlgorithmIdentifier messageAlgorithm, CMSSecureReadable secureReadable)
{
List infos = new ArrayList();
for (int i = 0; i != recipientInfos.size(); i++)
{
RecipientInfo info = RecipientInfo.getInstance(recipientInfos.getObjectAt(i));
readRecipientInfo(infos, info, messageAlgorithm, secureReadable);
}
return new RecipientInformationStore(infos);
}
private static void readRecipientInfo(
List infos, RecipientInfo info, AlgorithmIdentifier messageAlgorithm, CMSSecureReadable secureReadable)
{
ASN1Encodable recipInfo = info.getInfo();
if (recipInfo instanceof KeyTransRecipientInfo)
{
infos.add(new KeyTransRecipientInformation(
(KeyTransRecipientInfo)recipInfo, messageAlgorithm, secureReadable));
}
else if (recipInfo instanceof OtherRecipientInfo)
{
OtherRecipientInfo otherRecipientInfo = OtherRecipientInfo.getInstance(recipInfo);
if (CMSObjectIdentifiers.id_ori_kem.equals(otherRecipientInfo.getType()))
{
infos.add(new KEMRecipientInformation(
KEMRecipientInfo.getInstance(otherRecipientInfo.getValue()), messageAlgorithm, secureReadable));
}
}
else if (recipInfo instanceof KEKRecipientInfo)
{
infos.add(new KEKRecipientInformation(
(KEKRecipientInfo)recipInfo, messageAlgorithm, secureReadable));
}
else if (recipInfo instanceof KeyAgreeRecipientInfo)
{
KeyAgreeRecipientInformation.readRecipientInfo(infos,
(KeyAgreeRecipientInfo)recipInfo, messageAlgorithm, secureReadable);
}
else if (recipInfo instanceof PasswordRecipientInfo)
{
infos.add(new PasswordRecipientInformation(
(PasswordRecipientInfo)recipInfo, messageAlgorithm, secureReadable));
}
}
static abstract class CMSDefaultSecureReadable
implements CMSSecureReadable
{
protected final ASN1ObjectIdentifier contentType;
protected CMSReadable readable;
protected ASN1Set authAttrSet;
CMSDefaultSecureReadable(ASN1ObjectIdentifier contentType, CMSReadable readable)
{
this.contentType = contentType;
this.readable = readable;
}
public ASN1ObjectIdentifier getContentType()
{
return contentType;
}
@Override
public ASN1Set getAuthAttrSet()
{
return authAttrSet;
}
@Override
public void setAuthAttrSet(ASN1Set set)
{
authAttrSet = set;
}
}
static class CMSDigestAuthenticatedSecureReadable
extends CMSDefaultSecureReadable
{
private DigestCalculator digestCalculator;
public CMSDigestAuthenticatedSecureReadable(DigestCalculator digestCalculator, ASN1ObjectIdentifier contentType, CMSReadable readable)
{
super(contentType, readable);
this.digestCalculator = digestCalculator;
}
public InputStream getInputStream()
throws IOException, CMSException
{
return new FilterInputStream(readable.getInputStream())
{
public int read()
throws IOException
{
int b = in.read();
if (b >= 0)
{
digestCalculator.getOutputStream().write(b);
}
return b;
}
public int read(byte[] inBuf, int inOff, int inLen)
throws IOException
{
int n = in.read(inBuf, inOff, inLen);
if (n >= 0)
{
digestCalculator.getOutputStream().write(inBuf, inOff, n);
}
return n;
}
};
}
public byte[] getDigest()
{
return digestCalculator.getDigest();
}
@Override
public boolean hasAdditionalData()
{
return true;
}
}
static class CMSAuthEnveSecureReadable
extends CMSDefaultSecureReadable
{
private AlgorithmIdentifier algorithm;
CMSAuthEnveSecureReadable(AlgorithmIdentifier algorithm, ASN1ObjectIdentifier contentType, CMSReadable readable)
{
super(contentType, readable);
this.algorithm = algorithm;
}
public InputStream getInputStream()
throws IOException, CMSException
{
return readable.getInputStream();
}
@Override
public boolean hasAdditionalData()
{
return false;
}
}
}