Provided by: openssl_3.5.3-1ubuntu2_amd64 

NAME
openssl-skeyutl - opaque symmetric keys routines
SYNOPSIS
openssl skeyutl [-help] [-cipher cipher] [-skeymgmt skeymgmt] [-skeyopt opt:value] [-genkey] [-provider
name] [-provider-path path] [-provparam [name:]key=value] [-propquery propq]
DESCRIPTION
Not all cipher implementations support keys as raw bytes. E.g. PKCS#11 tokens can store them internally
without any option to get the raw byte representation.
This tool is designed for managing opaque symmetric keys.
OPTIONS
-help
Print out a usage message.
-cipher cipher
The cipher to generate the key for.
-skeymgmt skeymgmt
Some providers may support opaque symmetric keys objects. To use them, we need to know the skeymgmt.
If not specified, the name of the cipher will be used.
To find out the name of the suitable symmetric key management, please refer to the output of the
"openssl list -skey-managers" command.
-skeyopt opt:value
To obtain an existing opaque symmetric key or to generate a new one, key options are specified as
opt:value. These options can't be used together with any options implying raw key either directly or
indirectly.
-genkey
Generate a new opaque key object.
-provider name
-provider-path path
-provparam [name:]key=value
-propquery propq
See "Provider Options" in openssl(1), provider(7), and property(7).
SEE ALSO
openssl-enc(1), EVP_SKEY(3)
HISTORY
The skeyutl command was added in OpenSSL 3.5.
COPYRIGHT
Copyright 2025 The OpenSSL Project Authors. All Rights Reserved.
Licensed under the Apache License 2.0 (the "License"). You may not use this file except in compliance
with the License. You can obtain a copy in the file LICENSE in the source distribution or at
<https://www.openssl.org/source/license.html>.
3.5.3 2025-09-16 OPENSSL-SKEYUTL(1SSL)