1 files changed, 48 insertions, 0 deletions
diff --git a/libraries/spongycastle/core/src/main/java/org/spongycastle/asn1/cms/ContentInfoParser.java b/libraries/spongycastle/core/src/main/java/org/spongycastle/asn1/cms/ContentInfoParser.java
new file mode 100644
index 000000000..3951a4ed4
--- /dev/null
+++ b/libraries/spongycastle/core/src/main/java/org/spongycastle/asn1/cms/ContentInfoParser.java
@@ -0,0 +1,48 @@
+package org.spongycastle.asn1.cms;
+
+import java.io.IOException;
+
+import org.spongycastle.asn1.ASN1Encodable;
+import org.spongycastle.asn1.ASN1ObjectIdentifier;
+import org.spongycastle.asn1.ASN1SequenceParser;
+import org.spongycastle.asn1.ASN1TaggedObjectParser;
+
+/**
+ * <a href="http://tools.ietf.org/html/rfc5652#section-3">RFC 5652</a> {@link ContentInfo} object parser.
+ *
+ * <pre>
+ * ContentInfo ::= SEQUENCE {
+ *     contentType ContentType,
+ *     content [0] EXPLICIT ANY DEFINED BY contentType OPTIONAL }
+ * </pre>
+ */
+public class ContentInfoParser
+{
+    private ASN1ObjectIdentifier contentType;
+    private ASN1TaggedObjectParser content;
+
+    public ContentInfoParser(
+        ASN1SequenceParser seq)
+        throws IOException
+    {
+        contentType = (ASN1ObjectIdentifier)seq.readObject();
+        content = (ASN1TaggedObjectParser)seq.readObject();
+    }
+
+    public ASN1ObjectIdentifier getContentType()
+    {
+        return contentType;
+    }
+
+    public ASN1Encodable getContent(
+        int  tag)
+        throws IOException
+    {
+        if (content != null)
+        {
+            return content.getObjectParser(tag, true);
+        }
+
+        return null;
+    }
+}