internal SignerInfo ToSignerInfo(
DerObjectIdentifier contentType,
CmsProcessable content,
SecureRandom random)
{
AlgorithmIdentifier digAlgId = DigestAlgorithmID;
string digestName = Helper.GetDigestAlgName(digestOID);
string signatureName = digestName + "with" + Helper.GetEncryptionAlgName(encOID);
ISigner sig = Helper.GetSignatureInstance(signatureName);
byte[] hash;
if (outer._digests.Contains(digestOID))
{
hash = (byte[])outer._digests[digestOID];
}
else
{
IDigest dig = Helper.GetDigestInstance(digestName);
if (content != null)
{
content.Write(new DigOutputStream(dig));
}
hash = DigestUtilities.DoFinal(dig);
outer._digests.Add(digestOID, hash.Clone());
}
sig.Init(true, new ParametersWithRandom(key, random));
#if NETCF_1_0 || NETCF_2_0 || SILVERLIGHT
Stream sigStr = new SigOutputStream(sig);
#else
Stream sigStr = new BufferedStream(new SigOutputStream(sig));
#endif
Asn1Set signedAttr = null;
if (sAttr != null)
{
IDictionary parameters = outer.GetBaseParameters(contentType, digAlgId, hash);
// Asn1.Cms.AttributeTable signed = sAttr.GetAttributes(Collections.unmodifiableMap(parameters));
Asn1.Cms.AttributeTable signed = sAttr.GetAttributes(parameters);
if (contentType == null) //counter signature
{
if (signed != null && signed[CmsAttributes.ContentType] != null)
{
IDictionary tmpSigned = signed.ToDictionary();
tmpSigned.Remove(CmsAttributes.ContentType);
signed = new Asn1.Cms.AttributeTable(tmpSigned);
}
}
// TODO Validate proposed signed attributes
signedAttr = outer.GetAttributeSet(signed);
// sig must be composed from the DER encoding.
new DerOutputStream(sigStr).WriteObject(signedAttr);
}
else if (content != null)
{
// TODO Use raw signature of the hash value instead
content.Write(sigStr);
}
sigStr.Close();
byte[] sigBytes = sig.GenerateSignature();
Asn1Set unsignedAttr = null;
if (unsAttr != null)
{
IDictionary baseParameters = outer.GetBaseParameters(contentType, digAlgId, hash);
baseParameters[CmsAttributeTableParameter.Signature] = sigBytes.Clone();
// Asn1.Cms.AttributeTable unsigned = unsAttr.GetAttributes(Collections.unmodifiableMap(baseParameters));
Asn1.Cms.AttributeTable unsigned = unsAttr.GetAttributes(baseParameters);
// TODO Validate proposed unsigned attributes
unsignedAttr = outer.GetAttributeSet(unsigned);
}
// TODO[RSAPSS] Need the ability to specify non-default parameters
Asn1Encodable sigX509Parameters = SignerUtilities.GetDefaultX509Parameters(signatureName);
AlgorithmIdentifier encAlgId = CmsSignedGenerator.GetEncAlgorithmIdentifier(
new DerObjectIdentifier(encOID), sigX509Parameters);
return new SignerInfo(signerIdentifier, digAlgId,
signedAttr, encAlgId, new DerOctetString(sigBytes), unsignedAttr);
}
internal SignerInfo ToSignerInfo(
DerObjectIdentifier contentType,
CmsProcessable content,
SecureRandom random)
{
AlgorithmIdentifier digAlgId = DigestAlgorithmID;
string digestName = Helper.GetDigestAlgName(digestOID);
string signatureName = digestName + "with" + Helper.GetEncryptionAlgName(encOID);
byte[] hash;
if (outer._digests.Contains(digestOID))
{
hash = (byte[])outer._digests[digestOID];
}
else
{
IDigest dig = Helper.GetDigestInstance(digestName);
if (content != null)
{
content.Write(new DigOutputStream(dig));
}
hash = DigestUtilities.DoFinal(dig);
outer._digests.Add(digestOID, hash.Clone());
}
IStreamCalculator calculator = sigCalc.CreateCalculator();
#if NETCF_1_0 || NETCF_2_0 || SILVERLIGHT
Stream sigStr = new SigOutputStream(calculator.Stream);
#else
Stream sigStr = new BufferedStream(calculator.Stream);
#endif
Asn1Set signedAttr = null;
if (sAttr != null)
{
IDictionary parameters = outer.GetBaseParameters(contentType, digAlgId, hash);
// Asn1.Cms.AttributeTable signed = sAttr.GetAttributes(Collections.unmodifiableMap(parameters));
Asn1.Cms.AttributeTable signed = sAttr.GetAttributes(parameters);
if (contentType == null) //counter signature
{
if (signed != null && signed[CmsAttributes.ContentType] != null)
{
IDictionary tmpSigned = signed.ToDictionary();
tmpSigned.Remove(CmsAttributes.ContentType);
signed = new Asn1.Cms.AttributeTable(tmpSigned);
}
}
// TODO Validate proposed signed attributes
signedAttr = outer.GetAttributeSet(signed);
// sig must be composed from the DER encoding.
new DerOutputStream(sigStr).WriteObject(signedAttr);
}
else if (content != null)
{
// TODO Use raw signature of the hash value instead
content.Write(sigStr);
}
sigStr.Close();
byte[] sigBytes = ((IBlockResult)calculator.GetResult()).DoFinal();
Asn1Set unsignedAttr = null;
if (unsAttr != null)
{
IDictionary baseParameters = outer.GetBaseParameters(contentType, digAlgId, hash);
baseParameters[CmsAttributeTableParameter.Signature] = sigBytes.Clone();
// Asn1.Cms.AttributeTable unsigned = unsAttr.GetAttributes(Collections.unmodifiableMap(baseParameters));
Asn1.Cms.AttributeTable unsigned = unsAttr.GetAttributes(baseParameters);
// TODO Validate proposed unsigned attributes
unsignedAttr = outer.GetAttributeSet(unsigned);
}
// TODO[RSAPSS] Need the ability to specify non-default parameters
Asn1Encodable sigX509Parameters = SignerUtilities.GetDefaultX509Parameters(signatureName);
AlgorithmIdentifier encAlgId = Helper.GetEncAlgorithmIdentifier(
new DerObjectIdentifier(encOID), sigX509Parameters);
return(new SignerInfo(signerIdentifier, digAlgId,
signedAttr, encAlgId, new DerOctetString(sigBytes), unsignedAttr));
}
internal SignerInfo ToSignerInfo(
DerObjectIdentifier contentType,
CmsProcessable content,
SecureRandom random)
{
AlgorithmIdentifier digAlgId = DigestAlgorithmID;
string digestName = Helper.GetDigestAlgName(digestOID);
IDigest dig = Helper.GetDigestInstance(digestName);
//jbonilla
string signatureName = digestName + "with" + Helper.GetEncryptionAlgName(encOID);
ISigner sig = outer._signerProvider != null
? outer._signerProvider : Helper.GetSignatureInstance(signatureName);
byte[] hash = null;
byte[] preCalculatedHash = ((CustomCMSSignedDataGenerator)outer).PreCalculatedDigest;
if (preCalculatedHash != null)
{
hash = preCalculatedHash;
}
else if (content != null)
{
content.Write(new DigOutputStream(dig));
hash = DigestUtilities.DoFinal(dig);
}
outer._digests.Add(digestOID, hash.Clone());
sig.Init(true, new ParametersWithRandom(key, random));
#if NETCF_1_0 || NETCF_2_0 || SILVERLIGHT
Stream sigStr = new SigOutputStream(sig);
#else
Stream sigStr = new BufferedStream(new SigOutputStream(sig));
#endif
Asn1Set signedAttr = null;
if (sAttr != null)
{
IDictionary parameters = outer.GetBaseParameters(contentType, digAlgId, hash);
//Asn1.Cms.AttributeTable signed = sAttr.GetAttributes(Collections.unmodifiableMap(parameters));
Org.BouncyCastle.Asn1.Cms.AttributeTable signed = sAttr.GetAttributes(parameters);
if (contentType == null) //counter signature
{
if (signed != null && signed[CmsAttributes.ContentType] != null)
{
IDictionary tmpSigned = signed.ToDictionary();
tmpSigned.Remove(CmsAttributes.ContentType);
signed = new Org.BouncyCastle.Asn1.Cms.AttributeTable(tmpSigned);
}
}
// TODO Validate proposed signed attributes
signedAttr = outer.GetAttributeSet(signed);
// sig must be composed from the DER encoding.
new DerOutputStream(sigStr).WriteObject(signedAttr);
}
else if (content != null)
{
// TODO Use raw signature of the hash value instead
content.Write(sigStr);
}
sigStr.Close();
byte[] sigBytes = sig.GenerateSignature();
Asn1Set unsignedAttr = null;
if (unsAttr != null)
{
IDictionary baseParameters = outer.GetBaseParameters(contentType, digAlgId, hash);
baseParameters[CmsAttributeTableParameter.Signature] = sigBytes.Clone();
// Asn1.Cms.AttributeTable unsigned = unsAttr.GetAttributes(Collections.unmodifiableMap(baseParameters));
Asn1.Cms.AttributeTable unsigned = unsAttr.GetAttributes(baseParameters);
// TODO Validate proposed unsigned attributes
unsignedAttr = outer.GetAttributeSet(unsigned);
}
// TODO[RSAPSS] Need the ability to specify non-default parameters
Asn1Encodable sigX509Parameters = SignerUtilities.GetDefaultX509Parameters(signatureName);
AlgorithmIdentifier encAlgId = CmsSignedGenerator.GetEncAlgorithmIdentifier(
new DerObjectIdentifier(encOID), sigX509Parameters);
return(new SignerInfo(signerIdentifier, digAlgId,
signedAttr, encAlgId, new DerOctetString(sigBytes), unsignedAttr));
}
internal SignerInfo ToSignerInfo(
DerObjectIdentifier contentType,
CmsProcessable content,
SecureRandom random)
{
AlgorithmIdentifier digAlgId = DigestAlgorithmID;
string digestName = Helper.GetDigestAlgName(digestOID);
IDigest dig = Helper.GetDigestInstance(digestName);
string signatureName = digestName + "with" + Helper.GetEncryptionAlgName(encOID);
ISigner sig = Helper.GetSignatureInstance(signatureName);
// TODO Optimise the case where more than one signer with same digest
if (content != null)
{
content.Write(new DigOutputStream(dig));
}
byte[] hash = DigestUtilities.DoFinal(dig);
outer._digests.Add(digestOID, hash.Clone());
sig.Init(true, new ParametersWithRandom(key, random));
Stream sigStr = new SigOutputStream(sig);
Asn1Set signedAttr = null;
if (sAttr != null)
{
IDictionary parameters = outer.GetBaseParameters(contentType, digAlgId, hash);
// Asn1.Cms.AttributeTable signed = sAttr.GetAttributes(Collections.unmodifiableMap(parameters));
Asn1.Cms.AttributeTable signed = sAttr.GetAttributes(parameters);
if (contentType == null) //counter signature
{
if (signed != null && signed[CmsAttributes.ContentType] != null)
{
IDictionary tmpSigned = signed.ToDictionary();
tmpSigned.Remove(CmsAttributes.ContentType);
signed = new Asn1.Cms.AttributeTable(tmpSigned);
}
}
// TODO Validate proposed signed attributes
signedAttr = outer.GetAttributeSet(signed);
// sig must be composed from the DER encoding.
new DerOutputStream(sigStr).WriteObject(signedAttr);
}
else if (content != null)
{
// TODO Use raw signature of the hash value instead
content.Write(sigStr);
}
sigStr.Dispose();
byte[] sigBytes = sig.GenerateSignature();
Asn1Set unsignedAttr = null;
if (unsAttr != null)
{
IDictionary baseParameters = outer.GetBaseParameters(contentType, digAlgId, hash);
baseParameters[CmsAttributeTableParameter.Signature] = sigBytes.Clone();
// Asn1.Cms.AttributeTable unsigned = unsAttr.GetAttributes(Collections.unmodifiableMap(baseParameters));
Asn1.Cms.AttributeTable unsigned = unsAttr.GetAttributes(baseParameters);
// TODO Validate proposed unsigned attributes
unsignedAttr = outer.GetAttributeSet(unsigned);
}
// TODO[RSAPSS] Need the ability to specify non-default parameters
Asn1Encodable sigX509Parameters = SignerUtilities.GetDefaultX509Parameters(signatureName);
AlgorithmIdentifier encAlgId = CmsSignedGenerator.GetEncAlgorithmIdentifier(
new DerObjectIdentifier(encOID), sigX509Parameters);
return(new SignerInfo(signerIdentifier, digAlgId,
signedAttr, encAlgId, new DerOctetString(sigBytes), unsignedAttr));
}
