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Generate a Test Key

35 Hits, Last modified: 10 years ago

nssl.org/docs/apps/req.html|req]]'': PKCS#10 certificate request and certificate generating utility. * ''[[http://www.openssl.org/docs/apps/req.html#ite... -x509]]'': this option outputs a self signed certificate instead of a certificate request. This is typically used to generate a test certificate or a self

Debug Server Certificate from Client

20 Hits, Last modified: 11 years ago

====== Debug Server Certificate from Client ====== Credit for this example goes to "[[http://langui.sh/2009/03/14/checking-a-remote-certificate-chain-with-openssl/| Checking A Remote Certificate Chain With OpenSSL]]" from [[http://langui.sh/... rts|-showcerts]]'': display the whole server certificate chain: normally only the server certificate i

Download a Server Certificate

18 Hits, Last modified: 10 years ago

====== Download a Server Certificate ====== First, load the certificate chain from the server: <code bash> openssl s_client -showcerts -connect www... l </code> This will output the whole server certificate chain. Every chertificate ist wrapped between

Print all certificates in a file

16 Hits, Last modified: 12 years ago

====== Print all certificates in a file ====== This command is especially helpful if you want to use Tomcat-/Java-Keystore-Certificates with the Apache webserver. Use the -print_certs to print all the certificates and then cut the file and store each certifi

Print Information about a Key

10 Hits, Last modified: 10 years ago

ww.openssl.org/docs/apps/x509.html|x509]]'': Certificate display and signing utility. * ''[[http://w... x509.html#item__inform|-inform DER]]'': This specifies the input format normally the command will expect an X509 certificate but this can change if other options such as ... t. The DER format is the DER encoding of the certificate and PEM is the base64 encoding of the DER enc

Compare a Key with its Certificate

8 Hits, Last modified: 12 years ago

====== Compare a Key with its Certificate ====== Credit for this example goes to "[[https://kb.wisc.e... =4064|Verifying that a Private Key Matches a Certificate]]" from the [[https://kb.wisc.edu/|University... o see if a key ''server.key'' belongs to the certificate ''server.crt'', they need to have the same "m... sl rsa -noout -modulus -in server.key Example: <file> $ openssl x509 -noout -modulus -in server.cer

Print Information about a Certificate

8 Hits, Last modified: 9 years ago

====== Print Information about a Certificate ====== openssl x509 -in testkey.crt -noout -text Info... ww.openssl.org/docs/apps/x509.html|x509]]'': Certificate display and signing utility. * ''[[http://w... x509.html#item__in|-in testkey.crt]]'': This specifies the input filename to read a certificate from or standard input if this option is not specified.

Convert a Key

4 Hits, Last modified: 6 years ago

em -inkey key.pem -out key.p12 ===== Export Certificate from P12 ===== Export the certificate with the complete certificate chain: openssl pkcs12 -in testkey.p12 -out testkey.pem -nokeys Export the certificate only: openssl pkcs12 -in testkey.p12 -out t

Convert a Certificate

2 Hits, Last modified: 10 years ago

====== Convert a Certificate ====== ===== Convert DER to PEM ===== openssl x509 -inform der -in te... -outform der -in testkey.pem -out testkey.der {{tag>openssl security cryptography certificate howto}}