openssl rsautl -help
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RSA utility for signing, verification, encryption, and decryption. Superseded by pkeyutl(1).
$ openssl rsautl -help Usage: rsautl [options] Valid options are: -help Display this summary -in infile Input file -out outfile Output file -inkey val Input key -keyform PEM|DER|ENGINE Private key format - default PEM -pubin Input is an RSA public -certin Input is a cert carrying an RSA public key -ssl Use SSL v2 padding -raw Use no padding -pkcs Use PKCS#1 v1.5 padding (default) -oaep Use PKCS#1 OAEP -sign Sign with private key -verify Verify with public key -asn1parse Run output through asn1parse; useful with -verify -hexdump Hex dump output -x931 Use ANSI X9.31 padding -rev Reverse the order of the input buffer -encrypt Encrypt with public key -decrypt Decrypt with private key -passin val Input file pass phrase source -rand val Load the file(s) into the random number generator -writerand outfile Write random data to the specified file -engine val Use engine, possibly a hardware device
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