Cryptography Tutorials - Herong's Tutorial Examples - Version 5.40, by Dr. Herong Yang
Certificate X.509 Standard and DER/PEM Formats
This chapter provides tutorial notes and example codes on certificate content standard and file formats. Topics include X.509 standard for certificate content; DER encoding for certificate binary file format; PEM encoding for certificate text file format; exchanging certificates in DER and PEM formats between 'OpenSSL' and 'keytool'.
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