How do I generate intermediate certificate with OpenSSL?
Have a ca.conf file with the following contents:
How to identify elliptic curve name from an Openssl certificate?
I’ve an OpenSSL certificate in .cer format, most probably generated with openssl ecparam command and having ciphers one from
What should be optimal basis of choosing specific curve in Openssl Elliptic operations
While trying to generate SSL certificate using
How to verify an X509 certificate of unknown origin with openssl?
So I have a certificate file I need to verify.
OpenSSL generates a key, signs a file, then the file fails the verification. Why?
openssl genpkey -algorithm RSA -out private_key.pem …..+..+++++++++++++++++++++++++++++++++++++++*..+++++++++++++++++++++++++++++++++++++++*……………+……+.+…..+……+…+…….+…+……………+..+……………….+…+..+.+………………+……+…+…..+…+………….+..+…++++++ .+…+..+++++++++++++++++++++++++++++++++++++++*………..+….+………..+.+…..+…+…………+…+……+.+..+.+……+……..+…+…+++++++++++++++++++++++++++++++++++++++*……..+..+…….+..+….+…..+….+………..+.+…..+.+…+……+………..+…………………….+…..+…….+…+…..+….+…..+…+……+….+……+…..+………++++++ openssl rsa -pubout -in private_key.pem -out public_key.pem writing RSA key openssl dgst -sha256 -binary -out hash.bin server/main_feed.txt openssl pkeyutl -sign -inkey private_key.pem -keyform PEM -in hash.bin -out server/main_feed.sig256 openssl dgst -sha256 -verify public_key.pem -signature server/main_feed.sig256 hash.bin Verification failure 8066D85CC37F0000:error:02000068:rsa routines:ossl_rsa_verify:bad signature:../crypto/rsa/rsa_sign.c:426: 8066D85CC37F0000:error:1C880004:Provider routines:rsa_verify:RSA lib:../providers/implementations/signature/rsa_sig.c:785: I’m honestly not […]
Create certificate with SAN included (by command line arguments)
I am using OpenSSL 3.0 to create a certificate with a SAN included.
Openssl ecb decryption comamnd got ‘bad decrypt’
I am trying to use the OpenSSL 1.0.2p to do the encryption/decryption with ECB.
The command like:
openssl enc -aes-256-ecb -e -in abc -out abc_en -k 1122334455