About Cert Logik

What is Cert Logik?

Cert Logik is a collection of PKI and SSL tools developed and owned by Red Kestrel Consulting Limited. We simplify certificate management by offering robust, free online tools such as the CSR and Certificate Decoder, which enables the decoding of CSRs, X.509 Certificates, CRLs, PKCS#7s, and other PKI objects, and the SSL Checker, which connects to your website to verify the installation of your SSL certificate. Red Kestrel also develops a number of standalone commercial PKI and SSL tools.

About CSR and Certificate Decoder

Objects it can Decode

The CSR and Certificate Decoder can decode the following types of objects:

• X.509 Certificates
• SSL Certificates
• PKCS#7 encoded Certificate Chains
• CSRs or PKCS#10 Requests
• Some CMS objects

Certificate Checks

The Certificate Decoder checks the following:

• Certificate does not use a weak key
• Certificate has not expired
• Key size is at least 2048 bits
• The signature algorithm is strong

CSR Checks

The CSR Decoder checks the following:

• CSR does not use a weak key
• CSR signature is valid
• Key size is at least 2048 bits
• The Subject field does not contain empty values

About Red Kestrel Consulting

Red Kestrel Consulting is an IT security consultancy founded in 2004 by Phil Ratcliffe. Based in Staffordshire in the UK, Red Kestrel provides security consultancy and software development services to various clients including banks, governments and software companies. We have experience in many areas of IT security including but not limited to: PKI, cryptography, secure email, smart cards, biometrics and secure application development.