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path: root/pkix/src/main/java/org/bouncycastle/cms/CMSEnvelopedHelper.java
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Diffstat (limited to 'pkix/src/main/java/org/bouncycastle/cms/CMSEnvelopedHelper.java')
-rw-r--r--pkix/src/main/java/org/bouncycastle/cms/CMSEnvelopedHelper.java203
1 files changed, 0 insertions, 203 deletions
diff --git a/pkix/src/main/java/org/bouncycastle/cms/CMSEnvelopedHelper.java b/pkix/src/main/java/org/bouncycastle/cms/CMSEnvelopedHelper.java
deleted file mode 100644
index 91727062..00000000
--- a/pkix/src/main/java/org/bouncycastle/cms/CMSEnvelopedHelper.java
+++ /dev/null
@@ -1,203 +0,0 @@
-package org.bouncycastle.cms;
-
-import java.io.FilterInputStream;
-import java.io.IOException;
-import java.io.InputStream;
-import java.util.ArrayList;
-import java.util.HashMap;
-import java.util.List;
-import java.util.Map;
-
-import org.bouncycastle.asn1.ASN1Encodable;
-import org.bouncycastle.asn1.ASN1Set;
-import org.bouncycastle.asn1.cms.KEKRecipientInfo;
-import org.bouncycastle.asn1.cms.KeyAgreeRecipientInfo;
-import org.bouncycastle.asn1.cms.KeyTransRecipientInfo;
-import org.bouncycastle.asn1.cms.PasswordRecipientInfo;
-import org.bouncycastle.asn1.cms.RecipientInfo;
-import org.bouncycastle.asn1.x509.AlgorithmIdentifier;
-import org.bouncycastle.operator.DigestCalculator;
-import org.bouncycastle.util.Integers;
-
-class CMSEnvelopedHelper
-{
- static final CMSEnvelopedHelper INSTANCE = new CMSEnvelopedHelper();
-
- private static final Map KEYSIZES = new HashMap();
- private static final Map BASE_CIPHER_NAMES = new HashMap();
- private static final Map CIPHER_ALG_NAMES = new HashMap();
- private static final Map MAC_ALG_NAMES = new HashMap();
-
- static
- {
- KEYSIZES.put(CMSEnvelopedGenerator.DES_EDE3_CBC, Integers.valueOf(192));
- KEYSIZES.put(CMSEnvelopedGenerator.AES128_CBC, Integers.valueOf(128));
- KEYSIZES.put(CMSEnvelopedGenerator.AES192_CBC, Integers.valueOf(192));
- KEYSIZES.put(CMSEnvelopedGenerator.AES256_CBC, Integers.valueOf(256));
-
- BASE_CIPHER_NAMES.put(CMSEnvelopedGenerator.DES_EDE3_CBC, "DESEDE");
- BASE_CIPHER_NAMES.put(CMSEnvelopedGenerator.AES128_CBC, "AES");
- BASE_CIPHER_NAMES.put(CMSEnvelopedGenerator.AES192_CBC, "AES");
- BASE_CIPHER_NAMES.put(CMSEnvelopedGenerator.AES256_CBC, "AES");
-
- CIPHER_ALG_NAMES.put(CMSEnvelopedGenerator.DES_EDE3_CBC, "DESEDE/CBC/PKCS5Padding");
- CIPHER_ALG_NAMES.put(CMSEnvelopedGenerator.AES128_CBC, "AES/CBC/PKCS5Padding");
- CIPHER_ALG_NAMES.put(CMSEnvelopedGenerator.AES192_CBC, "AES/CBC/PKCS5Padding");
- CIPHER_ALG_NAMES.put(CMSEnvelopedGenerator.AES256_CBC, "AES/CBC/PKCS5Padding");
-
- MAC_ALG_NAMES.put(CMSEnvelopedGenerator.DES_EDE3_CBC, "DESEDEMac");
- MAC_ALG_NAMES.put(CMSEnvelopedGenerator.AES128_CBC, "AESMac");
- MAC_ALG_NAMES.put(CMSEnvelopedGenerator.AES192_CBC, "AESMac");
- MAC_ALG_NAMES.put(CMSEnvelopedGenerator.AES256_CBC, "AESMac");
- }
-
-
-
- int getKeySize(String oid)
- {
- Integer keySize = (Integer)KEYSIZES.get(oid);
-
- if (keySize == null)
- {
- throw new IllegalArgumentException("no keysize for " + oid);
- }
-
- return keySize.intValue();
- }
-
-
-
- static RecipientInformationStore buildRecipientInformationStore(
- ASN1Set recipientInfos, AlgorithmIdentifier messageAlgorithm, CMSSecureReadable secureReadable)
- {
- return buildRecipientInformationStore(recipientInfos, messageAlgorithm, secureReadable, null);
- }
-
- static RecipientInformationStore buildRecipientInformationStore(
- ASN1Set recipientInfos, AlgorithmIdentifier messageAlgorithm, CMSSecureReadable secureReadable, AuthAttributesProvider additionalData)
- {
- List infos = new ArrayList();
- for (int i = 0; i != recipientInfos.size(); i++)
- {
- RecipientInfo info = RecipientInfo.getInstance(recipientInfos.getObjectAt(i));
-
- readRecipientInfo(infos, info, messageAlgorithm, secureReadable, additionalData);
- }
- return new RecipientInformationStore(infos);
- }
-
- private static void readRecipientInfo(
- List infos, RecipientInfo info, AlgorithmIdentifier messageAlgorithm, CMSSecureReadable secureReadable, AuthAttributesProvider additionalData)
- {
- ASN1Encodable recipInfo = info.getInfo();
- if (recipInfo instanceof KeyTransRecipientInfo)
- {
- infos.add(new KeyTransRecipientInformation(
- (KeyTransRecipientInfo)recipInfo, messageAlgorithm, secureReadable, additionalData));
- }
- else if (recipInfo instanceof KEKRecipientInfo)
- {
- infos.add(new KEKRecipientInformation(
- (KEKRecipientInfo)recipInfo, messageAlgorithm, secureReadable, additionalData));
- }
- else if (recipInfo instanceof KeyAgreeRecipientInfo)
- {
- KeyAgreeRecipientInformation.readRecipientInfo(infos,
- (KeyAgreeRecipientInfo)recipInfo, messageAlgorithm, secureReadable, additionalData);
- }
- else if (recipInfo instanceof PasswordRecipientInfo)
- {
- infos.add(new PasswordRecipientInformation(
- (PasswordRecipientInfo)recipInfo, messageAlgorithm, secureReadable, additionalData));
- }
- }
-
- static class CMSDigestAuthenticatedSecureReadable
- implements CMSSecureReadable
- {
- private DigestCalculator digestCalculator;
- private CMSReadable readable;
-
- public CMSDigestAuthenticatedSecureReadable(DigestCalculator digestCalculator, CMSReadable readable)
- {
- this.digestCalculator = digestCalculator;
- this.readable = readable;
- }
-
- 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();
- }
- }
-
- static class CMSAuthenticatedSecureReadable implements CMSSecureReadable
- {
- private AlgorithmIdentifier algorithm;
- private CMSReadable readable;
-
- CMSAuthenticatedSecureReadable(AlgorithmIdentifier algorithm, CMSReadable readable)
- {
- this.algorithm = algorithm;
- this.readable = readable;
- }
-
- public InputStream getInputStream()
- throws IOException, CMSException
- {
- return readable.getInputStream();
- }
-
- }
-
- static class CMSEnvelopedSecureReadable implements CMSSecureReadable
- {
- private AlgorithmIdentifier algorithm;
- private CMSReadable readable;
-
- CMSEnvelopedSecureReadable(AlgorithmIdentifier algorithm, CMSReadable readable)
- {
- this.algorithm = algorithm;
- this.readable = readable;
- }
-
- public InputStream getInputStream()
- throws IOException, CMSException
- {
- return readable.getInputStream();
- }
-
- }
-}
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