Ruby

Certificates Examples for Ruby

• Loading Certificates from Files

• Load Base64-encoded X.509 Certificate (.cer)
• Load DER encoded X.509 Certificate (.cer, .crt)
• Load PEM Format Certificate (.pem)
• Load CMS PKCS#7 Certificate (.p7b)
• Load Certificate from PFX (PKCS#12)
• Load PFX (PKCS#12) and List Certificates
• Load Certificate (.cer) and Private Key (.pvk) generated from makecert
• Load Certificate from .cer and Private Key from .pem
• How to Use an A3 Certificate with Chilkat

• Smart Cards and USB Tokens

• Load Default Certificate from Smart Card or Token
• Load Certificate from Smart Card by Common Name
• Load Certificate from Smart Card by Serial Number
• Load Certificate from Smart Card by Key Usage
• Load Certificate from Smartcard in Reader (or from USB Token)
• Open Smartcard Certificate Store (or from USB Token)
• Validate a Smartcard PIN

• Windows Certificate Store

• List Certificates in the Current User Certificate Store
• Load a Certificate from the Windows Certificate Store
• Find and Load Certificate by Thumbprint
• Find a Certificate in the "Other People" Windows Certificate Store
• Backup Windows Current User / Personal Certificates to a .zip
• Import a PFX/P12 into the Windows Certificate Stores

• Converting and Exporting

• Convert to DER encoded X.509 Certificate (.cer, .crt)
• Convert Certificate from DER to PEM.
• Convert Cert + Key to PEM and PFX
• Export a Certificate's Private Key to Various Formats
• Export Digital Certificate's Public Key
• Get Certificate Public Key from PEM
• Get Public Key from Certificate PEM
• How to Parse a X.509 Certificate and Extract its Public Key
• Get RSA Key Modulus from .cer or .key
• Get a Certificate's Key Size
• Create X509PKIPathv1 Containing one Certificate
• Create JWK Set Containing Certificates

• Certificate Properties and Extensions

• SPKI Fingerprint
• X509Certificate GetCertHash SHA256
• Get Certificate Authority Information Access
• Get Certificate CRL Distribution Points
• Subject Alternative Name
• Subject Alternative Name for ICP Brasil Certs
• Get Text Certificate Extensions by OID
• Get Certificate User Principal Name (UPN)
• Get Certificate Policy
• Get Issuer Certificate Information
• Binary Certificate Extension Data
• Get Certificate Distinguished Name in .NET Format

• Trusted Roots and Certificate Chains

• Use a Custom Set of Trusted Root Certificates
• Load CA Cert Bundle into Trusted Roots
• Trust Specific Root CA Certificates
• Download and Trust the DigiCert Global Root CA
• Get Certificate Chain Certs
• Build Certificate Chain from Base64 Certificates

• Validation, Revocation and Renewal

• Validate Certificate using OCSP Protocol
• Load .crl, Convert to XML, Get Revoked Serial Numbers and Dates
• Renew a DigiCert Certificate from an EST-enabled profile