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-rw-r--r--doc/apps/dgst.pod52
1 files changed, 52 insertions, 0 deletions
diff --git a/doc/apps/dgst.pod b/doc/apps/dgst.pod
index b0d198724c..b035edf08e 100644
--- a/doc/apps/dgst.pod
+++ b/doc/apps/dgst.pod
@@ -14,10 +14,12 @@ B<openssl> B<dgst>
[B<-binary>]
[B<-out filename>]
[B<-sign filename>]
+[B<-keyform arg>]
[B<-passin arg>]
[B<-verify filename>]
[B<-prverify filename>]
[B<-signature filename>]
+[B<-hmac key>]
[B<file...>]
[B<md5|md4|md2|sha1|sha|mdc2|ripemd160>]
@@ -60,6 +62,23 @@ filename to output to, or standard output by default.
digitally sign the digest using the private key in "filename".
+=item B<-keyform arg>
+
+Specifies the key format to sign digest with. Only PEM and ENGINE
+formats are supported by the B<dgst> command.
+
+=item B<-engine id>
+
+Use engine B<id> for operations (including private key storage).
+This engine is not used as source for digest algorithms, unless it is
+also specified in the configuration file.
+
+=item B<-sigopt nm:v>
+
+Pass options to the signature algorithm during sign or verify operations.
+Names and values of these options are algorithm-specific.
+
+
=item B<-passin arg>
the private key password source. For more information about the format of B<arg>
@@ -78,6 +97,39 @@ verify the signature using the the private key in "filename".
the actual signature to verify.
+=item B<-hmac key>
+
+create a hashed MAC using "key".
+
+=item B<-mac alg>
+
+create MAC (keyed Message Authentication Code). The most popular MAC
+algorithm is HMAC (hash-based MAC), but there are other MAC algorithms
+which are not based on hash, for instance B<gost-mac> algorithm,
+supported by B<ccgost> engine. MAC keys and other options should be set
+via B<-macopt> parameter.
+
+=item B<-macopt nm:v>
+
+Passes options to MAC algorithm, specified by B<-mac> key.
+Following options are supported by both by B<HMAC> and B<gost-mac>:
+
+=over 8
+
+=item B<key:string>
+
+Specifies MAC key as alphnumeric string (use if key contain printable
+characters only). String length must conform to any restrictions of
+the MAC algorithm for example exactly 32 chars for gost-mac.
+
+=item B<hexkey:string>
+
+Specifies MAC key in hexadecimal form (two hex digits per byte).
+Key length must conform to any restrictions of the MAC algorithm
+for example exactly 32 chars for gost-mac.
+
+=back
+
=item B<-rand file(s)>
a file or files containing random data used to seed the random number