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Generate a Test Key

13 Hits, Last modified: 10 years ago

icate (if any) are specified in the configuration file. Unless specified using the set_serial option 0... default key size, specified in the configuration file is used. * ''[[http://www.openssl.org/docs/ap... m__keyout|-keyout testkey.key]]'': this gives the filename to write the newly created private key to. If this option is not specified then the filename present in the configuration file is used.

Print all certificates in a file

8 Hits, Last modified: 12 years ago

====== Print all certificates in a file ====== This command is especially helpful if you want to use ... ts to print all the certificates and then cut the file and store each certificate in a single file. openssl pkcs7 -in file.pem -print_certs -out certs.pem Informations about the used arguments

Download a Server Certificate

5 Hits, Last modified: 10 years ago

====== Download a Server Certificate ====== First, load the certificate chain from the server: <code... ATE-----'' and ''-----END CERTIFICATE-----''. The first certificate is the server certificate. So you only need to copy the output from the first ''-----BEGIN CERTIFICATE-----'' to the first ''-----END CERTIFICATE-----'' to a file. This certifi

Compare a Key with its Certificate

4 Hits, Last modified: 12 years ago

sl rsa -noout -modulus -in server.key Example: <file> $ openssl x509 -noout -modulus -in server.cer ... 9D461C 7F4699C901C2F8987CC873703FC3932640354D63 </file> It's easier to compare them if you calculate ... -modulus -in server.key | openssl md5 Example: <file> $ openssl x509 -noout -modulus -in server.cer ... .key: (stdin)= 91cc0cf512b528689960a9fbd42bdabe </file> {{tag>openssl cryptography key certificate ho

Print Information about a Key

2 Hits, Last modified: 10 years ago

_in|-in testkey.cer]]'': This specifies the input filename to read a certificate from or standard inpu... settings. You should redirect the output into a file (with "''> testkey_info.txt''") or into some pa

Print Information about a Certificate

2 Hits, Last modified: 9 years ago

_in|-in testkey.crt]]'': This specifies the input filename to read a certificate from or standard inpu... settings. You should redirect the output into a file (with "''> testkey_info.txt''") or into some pa

Debug Server Certificate from Client

2 Hits, Last modified: 11 years ago

l host on port 443. ===== Example Output ===== <file> $ openssl s_client -showcerts -connect www.and... 0 (unable to get local issuer certificate) --- ^C </file> {{tag>cryptography howto openssl security}}