Courage is not the absence of fear, but rather the judgement that something else is more important than fear.
- Ambrose Red Moon
Action is the blossom of thought, and joy and suffering are its fruits.原因と結果の法則 （AS A MAN THINKETH） は原文で読むのがお勧め。
- Jamen Allen
When a certificate is revoked by a CA, it is added to that CA's certificate revocation list (CRL). This may take the form of a new CRL or a delta CRL, which is a small CRL that lists the certificates that have been revoked since the last full CRL.差分のDeltaだった。
Revoking certificates and publishing CRLs
http://technet.microsoft.com/en-us/library/cc782162.aspx
Verisign の分類
http://en.wikipedia.org/wiki/Digital_certificate
- Class 1 for individuals, intended for email
- Class 2 for organizations, for which proof of identity is required
- Class 3 for servers and software signing, for which independent verification and checking of identity and authority is done by the issuing certificate authority
- Class 4 for online business transactions between companies
- Class 5 for private organizations or governmental security
Microsoft の分類
http://technet.microsoft.com/en-us/library/cc545899.aspx
- Class 1 Class 1 certificates are issued to individuals who have valid e-mail addresses. Class 1 certificates are appropriate for digital signatures, encryption, and electronic access control for non-commercial transactions where proof of identity is not required.
- Class 2 Class 2 certificates are issued to individuals and devices. Class 2 individual certificates are appropriate for digital signatures, encryption, and electronic access control in transactions where proof of identity based on information in the validating database is sufficient. Class 2 device certificates are appropriate for device authentication; message, software, and content integrity; and confidentiality encryption.
- Class 3 Class 3 certificates are issued to individuals, organizations, servers, devices, and administrators for CAs and root authorities (RAs). Class 3 individual certificates are appropriate for digital signatures, encryption, and access control in transactions where proof of identity must be assured. Class 3 server certificates are appropriate for server authentication; message, software, and content integrity; and confidentiality encryption.
Whatever you can do, or dream you can, begin it.
Boldness has genius, power, and magic in it.
- Johann Wolfgang von Goethe
