// REFERENCE

DER certificate signature

Signature (hex): 30 82 (ASN.1 SEQUENCE)

A certificate or key in DER (binary ASN.1) usually starts with 30 82 (a SEQUENCE with long-form length). Its text equivalent is PEM (-----BEGIN). It shares the start with other ASN.1 formats (PKCS#12, keys).

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Signatures verifiable with CyberEscudo's magic-bytes identifier. Educational content.