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Debug Server Certificate from Client @info:cryptography:openssl

18 Hits, Last modified: 11 years ago

.sh/|langui.sh]]. openssl s_client -showcerts -connect www.andunix.net:443 Informations about the ... p://www.openssl.org/docs/apps/s_client.html#item__connect|-connect www.andunix.net:443]]'': This specifies the host and optional port to connect to. If not specified then an attempt is made

Download a Server Certificate @info:cryptography:openssl

6 Hits, Last modified: 10 years ago

st, load the certificate chain from the server: <code bash> openssl s_client -showcerts -connect www.example.org:443 </dev/null </code> This will output the whole server certificate chain. Eve... te is the server certificate. So you only need to copy the output from the first ''-----BEGIN CERTIFIC

Convert a Key @info:cryptography:openssl

6 Hits, Last modified: 6 years ago

====== Convert a Key ====== ===== Convert P12 to Java Keystore ===== keytool -importkeystore -srckeystore t... ststorepass PASSWORD'' to set the password on the command line. If you don't, keytool will ask you for a password. ===== Convert PEM to P12 ===== To convert ''cert.pem'' an

Print Information about a Key @info:cryptography:openssl

5 Hits, Last modified: 10 years ago

]'': This specifies the input format normally the command will expect an X509 certificate but this can... as -req are present. The DER format is the DER encoding of the certificate and PEM is the base64 encoding of the DER encoding with header and footer lines added. The NET option is an obscure Netscape ser

Compare a Key with its Certificate @info:cryptography:openssl

4 Hits, Last modified: 12 years ago

====== Compare a Key with its Certificate ====== Credit for this example goes to "[[https://kb.wisc.e... from the [[https://kb.wisc.edu/|University of Wisconsin Knowledgebase]]. To see if a key ''server.ke... xponent is quite always 65537. So we only need to compare the modulus. openssl x509 -noout -modulus... 87CC873703FC3932640354D63 </file> It's easier to compare them if you calculate a MD5 sum: openssl

Plaintext

4 Hits, Last modified: 12 years ago

Cleartext is often used as a synonym. Before the computer era, plaintext most commonly meant message text in the language of the communicating parties. Plaintext has reference to the... the input upon which they operate. Cleartext, by contrast, refers to data that is transmitted or stor

Generate a Test Key @info:cryptography:openssl

4 Hits, Last modified: 10 years ago

to the certificate (if any) are specified in the configuration file. Unless specified using the set_s... specified, the default key size, specified in the configuration file is used. * ''[[http://www.opens... is not specified then the filename present in the configuration file is used. * ''[[http://www.opens... default. Now you can pack the key into a PKCS#12 container: openssl pkcs12 -export -out testkey.p1

Convert a Certificate @info:cryptography:openssl

3 Hits, Last modified: 10 years ago

====== Convert a Certificate ====== ===== Convert DER to PEM ===== openssl x509 -inform der -in testkey.der -out testkey.pem ===== Convert PEM to DER ===== openssl x509 -outform de

Print Information about a Signature @info:cryptography:openssl

2 Hits, Last modified: 10 years ago

==== Print Information about a Signature ====== <code bash> openssl pkcs7 -in signature.p7s -text -inform DER -print_certs -noout </code> {{tag> cryptography, howto, openssl, security

Print all certificates in a file @info:cryptography:openssl

2 Hits, Last modified: 12 years ago

=== Print all certificates in a file ====== This command is especially helpful if you want to use Tom... nt_certs]]'': prints out any certificates or CRLs contained in the file. They are preceded by their su

Print Information about a Certificate @info:cryptography:openssl

1 Hits, Last modified: 9 years ago

|-noout]]'': this option prevents output of the encoded version of the request. * ''[[http://www.ope