Decodes ASN.1 (Abstract Syntax Notation One) DER-encoded data into a human-readable tree structure. ASN.1 is used in X.509 certificates, PKCS standards, LDAP, SNMP, and many other protocols.
Inputs
Input: ASN.1 DER-encoded data in hexadecimal or PEM format.
Tips
ASN.1 is the encoding format for X.509 certificates, CRLs, and PKCS structures.
DER (Distinguished Encoding Rules) is the binary format; PEM is base64-encoded DER.
Common ASN.1 types: SEQUENCE, SET, INTEGER, OCTET STRING, BIT STRING, OID.