The branch OpenSSL_1_1_1-stable has been updated
via 9e72d1a3145a0585b96fa9b4e9ab31ce35a43aba (commit)
from 1f8e36720fff9bdc9f08fe24a38cc91b1b78ddb0 (commit)
- Log -----------------------------------------------------------------
commit 9e72d1a3145a0585b96fa9b4e9ab31ce35a43aba
Author: Pauli <pa...@openssl.org>
Date: Wed Sep 1 09:52:03 2021 +1000
doc: document the rsa_oaep_md: pkeyopt
This was missing but essential for using non-SHA1 digests with OAEP.
Fixes #15998
Manual backport of #16410
Reviewed-by: Tomas Mraz <to...@openssl.org>
Reviewed-by: Tim Hudson <t...@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/16488)
-----------------------------------------------------------------------
Summary of changes:
doc/man1/pkeyutl.pod | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/doc/man1/pkeyutl.pod b/doc/man1/pkeyutl.pod
index 3b350efadd..f6fd48d5b5 100644
--- a/doc/man1/pkeyutl.pod
+++ b/doc/man1/pkeyutl.pod
@@ -246,6 +246,11 @@ B<PSS> block structure.
For PSS and OAEP padding sets the MGF1 digest. If the MGF1 digest is not
explicitly set in PSS mode then the signing digest is used.
+=item B<rsa_oaep_md:>I<digest>
+
+Sets the digest used for the OAEP hash function. If not explicitly set then
+SHA1 is used.
+
=back
=head1 RSA-PSS ALGORITHM
@@ -319,6 +324,11 @@ seed consisting of the single byte 0xFF:
openssl pkeyutl -kdf TLS1-PRF -kdflen 48 -pkeyopt md:SHA256 \
-pkeyopt hexsecret:ff -pkeyopt hexseed:ff -hexdump
+Decrypt some data using a private key with OAEP padding using SHA256:
+
+ openssl pkeyutl -decrypt -in file -inkey key.pem -out secret \
+ -pkeyopt rsa_padding_mode:oaep -pkeyopt rsa_oaep_md:sha256
+
=head1 SEE ALSO
L<genpkey(1)>, L<pkey(1)>, L<rsautl(1)>
