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[JRUBY-6963] PKCS7 structures that have their content encapsulated in a sequence are not imported correctly #28

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@martinott

The case to handle content which has been encapsulated in a sequence has been in place already but wasn't implemented. The fix is inspired by Pull Request: #9. The test case includes PKCS7 samples to showcase the issue. Credit goes to Jason Franklin for helping with the samples and the fix in general.

See also issue JRUBY-6963.

Martin Ott PKCS7 structures that have their content encapsulated in a sequence a…
…re not imported correctly

The case to handle content which has been encapsulated in a sequence
has been in place already but wasn't implemented. The fix is inspired
by Pull Request: jruby/jruby-ossl#9. The test
case includes PKCS7 samples to showcase the issue. Credit goes to Jason
Franklin [https://github.com/jamuc] for helping with the samples and
the fix in general.
51c33b3
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Commits on Oct 24, 2012
  1. PKCS7 structures that have their content encapsulated in a sequence a…

    Martin Ott authored
    …re not imported correctly
    
    The case to handle content which has been encapsulated in a sequence
    has been in place already but wasn't implemented. The fix is inspired
    by Pull Request: jruby/jruby-ossl#9. The test
    case includes PKCS7 samples to showcase the issue. Credit goes to Jason
    Franklin [https://github.com/jamuc] for helping with the samples and
    the fix in general.
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12 src/java/org/jruby/ext/openssl/impl/EncContent.java
@@ -27,15 +27,18 @@
***** END LICENSE BLOCK *****/
package org.jruby.ext.openssl.impl;
+import java.util.Enumeration;
import org.bouncycastle.asn1.ASN1Encodable;
import org.bouncycastle.asn1.ASN1EncodableVector;
import org.bouncycastle.asn1.ASN1OctetString;
import org.bouncycastle.asn1.ASN1Sequence;
import org.bouncycastle.asn1.DEREncodable;
import org.bouncycastle.asn1.DERObjectIdentifier;
+import org.bouncycastle.asn1.DEROctetString;
import org.bouncycastle.asn1.DERSequence;
import org.bouncycastle.asn1.DERTaggedObject;
import org.bouncycastle.asn1.x509.AlgorithmIdentifier;
+import org.jruby.util.ByteList;
/** PKCS7_ENC_CONTENT
*
@@ -157,7 +160,14 @@ public static EncContent fromASN1(DEREncodable content) {
ec.setAlgorithm(AlgorithmIdentifier.getInstance(sequence.getObjectAt(1)));
if(sequence.size() > 2 && sequence.getObjectAt(2) instanceof DERTaggedObject && ((DERTaggedObject)(sequence.getObjectAt(2))).getTagNo() == 0) {
DEREncodable ee = ((DERTaggedObject)(sequence.getObjectAt(2))).getObject();
- if(ee instanceof ASN1Sequence) {
+ if(ee instanceof ASN1Sequence && ((ASN1Sequence)ee).size() > 0) {
+ ByteList combinedOctets = new ByteList();
+ Enumeration enm = ((ASN1Sequence)ee).getObjects();
+ while (enm.hasMoreElements()) {
+ byte[] octets = ((ASN1OctetString)enm.nextElement()).getOctets();
+ combinedOctets.append(octets);
+ }
+ ec.setEncData(new DEROctetString(combinedOctets.bytes()));
} else {
ec.setEncData((ASN1OctetString)ee);
}
View
75 test/test_pkcs7.rb
@@ -53,4 +53,79 @@ def test_load_empty_pkcs7
p7 = OpenSSL::PKCS7.new(EMPTY_PEM)
assert_equal(EMPTY_PEM, p7.to_pem)
end
+
+ def test_split_content
+ pki_message_pem = <<END
+-----BEGIN PKCS7-----
+MIIHSwYJKoZIhvcNAQcCoIIHPDCCBzgCAQExCzAJBgUrDgMCGgUAMIIDiAYJKoZI
+hvcNAQcBoIIDeQSCA3UwgAYJKoZIhvcNAQcDoIAwgAIBADGCARAwggEMAgEAMHUw
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+5Nq+un5nAny1wf3rWierBAjE5ntiAmgs5AAAAAAAAAAAAACgggHqMIIB5jCCAU+g
+AwIBAgIBATANBgkqhkiG9w0BAQUFADAvMS0wKwYDVQQDEyQwQUM5RjAyNi1EQ0VB
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+-----END PKCS7-----
+END
+ pki_message_content_pem = <<END
+-----BEGIN PKCS7-----
+MIIDawYJKoZIhvcNAQcDoIIDXDCCA1gCAQAxggEQMIIBDAIBADB1MHAxEDAOBgNV
+BAoMB2V4YW1wbGUxFzAVBgNVBAMMDlRBUk1BQyBST09UIENBMSIwIAYJKoZIhvcN
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+tcH961onq8Tme2ICaCzk
+-----END PKCS7-----
+END
+ pki_msg = OpenSSL::PKCS7.new(pki_message_pem)
+ store = OpenSSL::X509::Store.new
+ pki_msg.verify(nil, store, nil, OpenSSL::PKCS7::NOVERIFY)
+ p7enc = OpenSSL::PKCS7.new(pki_msg.data)
+ assert_equal(p7enc.to_pem, pki_message_content_pem)
+ end
+
end
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