Check if x509 certificate file and rsa private key match

diff <(openssl x509 -noout -modulus -in server.crt ) <( openssl rsa -noout -modulus -in server.key )
A x509 certificate and a rsa key file have in common a parameter called modulus, it is a very long hexadecimal number. That value is unique for each certficate / key pair. The command allows to do the check of this pair of values in a script using a great feature of bash. "
Sample Output
# diff <(openssl x509 -noout -modulus -in server.crt) <(openssl rsa -noout -modulus -in server.key)
# echo $?
0
# 

3
By: ari
2009-09-08 12:08:34

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