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-rw-r--r--doc/apps/pkcs8.pod15
1 files changed, 15 insertions, 0 deletions
diff --git a/doc/apps/pkcs8.pod b/doc/apps/pkcs8.pod
index e946cbdfaf..44c27f17f6 100644
--- a/doc/apps/pkcs8.pod
+++ b/doc/apps/pkcs8.pod
@@ -24,6 +24,10 @@ B<openssl> B<pkcs8>
[B<-v2prf alg>]
[B<-v1 alg>]
[B<-engine id>]
+[B<-scrypt>]
+[B<-scrypt_N N>]
+[B<-scrypt_r r>]
+[B<-scrypt_p p>]
=head1 DESCRIPTION
@@ -144,6 +148,17 @@ to attempt to obtain a functional reference to the specified engine,
thus initialising it if needed. The engine will then be set as the default
for all available algorithms.
+=item B<-scrypt>
+
+uses the B<scrypt> algorithm for private key encryption using default
+parameters: currently N=1024, r=8 and p=16 and AES in CBC mode with a 256 bit
+key. These parameters can be modified using the B<-scrypt_N>, B<-scrypt_r>,
+B<-scrypt_p> and B<-v2> options.
+
+B<-scrypt_N N> B<-scrypt_r r> B<-scrypt_p p>
+
+sets the scrypt B<N>, B<r> or B<p> parameters.
+
=back
=head1 NOTES