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openssl-pkeyutl.pod.in: add that -sign is default op, update claim on hash needed for -sign/-verify, etc.

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Reviewed-by: Tomas Mraz <tomas@openssl.org>
Reviewed-by: Viktor Dukhovni <viktor@openssl.org>
Reviewed-by: Dmitry Belyavskiy <beldmit@gmail.com>
(Merged from https://github.com/openssl/openssl/pull/25913)

(cherry picked from commit ded80b3cc7)
This commit is contained in:
Dr. David von Oheimb 2024-10-29 19:20:59 +01:00
parent 805f7eb33f
commit 9eeaac9646
1 changed files with 17 additions and 8 deletions
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25
doc/man1/openssl-pkeyutl.pod.in
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@ -44,6 +44,8 @@ B<openssl> B<pkeyutl>
This command can be used to perform low-level public key
operations using any supported algorithm.
By default the signing operation (see B<-sign> option) is assumed.
=head1 OPTIONS
=over 4
@ -71,8 +73,10 @@ signing or verifying it with the input key. This option could be omitted if the
signature algorithm does not require one (for instance, EdDSA). If this option
is omitted but the signature algorithm requires one, a default value will be
used. For signature algorithms like RSA, DSA and ECDSA, SHA-256 will be the
default digest algorithm. For SM2, it will be SM3. If this option is present,
then the B<-rawin> option must be also specified.
default digest algorithm. For SM2, it will be SM3.
If this option is present, then the B<-rawin> option must be also specified.
At this time, HashEdDSA (the ph or "prehash" variant of EdDSA) is not supported,
so the B<-digest> option cannot be used with EdDSA.
=item B<-out> I<filename>
@ -119,21 +123,26 @@ The input is a certificate containing a public key.
=item B<-rev>
Reverse the order of the input buffer. This is useful for some libraries
(such as CryptoAPI) which represent the buffer in little endian format.
(such as CryptoAPI) which represent the buffer in little-endian format.
This cannot be used in conjunction with B<-rawin>.
=item B<-sign>
Sign the input data (which must be a hash) and output the signed result. This
requires a private key.
Sign the input data and output the signed result. This requires a private key.
The input data given with the B<-in> option should be a hash value
unless the use of a message digest operation is implied,
=item B<-verify>
Verify the input data (which must be a hash) against the signature file and
indicate if the verification succeeded or failed.
Verify the input data against the signature given with the B<-sigfile> option
and indicate if the verification succeeded or failed.
The input data given with the B<-in> option should be a hash value
unless the use of a message digest operation is implied,
=item B<-verifyrecover>
Verify the input data (which must be a hash) and output the recovered data.
Verify the input data and output the recovered data.
The input data given with the B<-in> option should be a hash value.
=item B<-encrypt>