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X509 Certificate

Minimal certificate authority for self-signed certificates. Just a simple bash script with instructions on how to use it in the README.md.

A combination of multiple useful tools. Cryptographic: Hash, Encoding (Base64, HEX, ASCII), Bit operations, AES, Cipher, DES/3DES, RSA, Certificates, Password based key generation, TLV parser. Smart Card: ATA analysis, SIM related, GSMA RSP .22 LPA