Openssl_private_encrypt the key generated using the DSA algorithm cannot be encrypted.

{Code ...} warning: {code ...} key :*. pem {code ...} it seems that the key in this format is not supported for encryption. the key content is provided by the partner and their development language is JAVA. I use the RSA key content and then use openssl_private_encrypt to encrypt it...

openssl_private_encrypt($originalData, $encryptData, $privateKey, OPENSSL_ALGO_DSS1)

Warning:

Warning: openssl_private_encrypt(): key type not supported in this PHP build!

Key: *. pem

----- Begin dsa private key ----- KEY content ----- end dsa private key -----

It seems that the key in this format is not supported for encryption. the key content is provided by the partner and their development language is JAVA.

I use RSA key content and then use openssl_private_encrypt to encrypt it.
Php dsa encryption is rarely found on the Internet, which is a headache.

Reply content:

openssl_private_encrypt($originalData, $encryptData, $privateKey, OPENSSL_ALGO_DSS1)

Warning:

Warning: openssl_private_encrypt(): key type not supported in this PHP build!

Key: *. pem

----- Begin dsa private key ----- KEY content ----- end dsa private key -----

It seems that the key in this format is not supported for encryption. the key content is provided by the partner and their development language is JAVA.

I use RSA key content and then use openssl_private_encrypt to encrypt it.
Php dsa encryption is rarely found on the Internet, which is a headache.

Is privateKey correctly read?