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doc: document no-short-mac param

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Reviewed-by: Shane Lontis <shane.lontis@oracle.com>
Reviewed-by: Tom Cosgrove <tom.cosgrove@arm.com>
(Merged from https://github.com/openssl/openssl/pull/24917)
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Pauli 2024-07-17 11:09:34 +10:00
parent 3f15ec76a4
commit 3440a9a0e2
2 changed files with 37 additions and 3 deletions
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17
doc/man7/EVP_MAC-KMAC.pod
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@ -35,7 +35,6 @@ The length of the "size" parameter should not exceed that of a B<size_t>.
Likewise, the "block-size" parameter can be retrieved with Likewise, the "block-size" parameter can be retrieved with
EVP_MAC_CTX_get_params(), or with EVP_MAC_CTX_get_block_size(). EVP_MAC_CTX_get_params(), or with EVP_MAC_CTX_get_block_size().
=over 4 =over 4
=item "key" (B<OSSL_MAC_PARAM_KEY>) <octet string> =item "key" (B<OSSL_MAC_PARAM_KEY>) <octet string>
@ -65,9 +64,20 @@ It is 168 for C<KMAC-128> and 136 for C<KMAC-256>.
The "xof" parameter value is expected to be 1 or 0. Use 1 to enable XOF mode. The "xof" parameter value is expected to be 1 or 0. Use 1 to enable XOF mode.
The default value is 0. The default value is 0.
=item "fips-indicator" (B<OSSL_MAC_PARAM_FIPS_APPROVED_INDICATOR>) <int>
This settable parameter is described in L<provider-mac(7)>.
=item "no-short-mac" (B<OSSL_PROV_FIPS_PARAM_NO_SHORT_MAC>) <integer>
This settable parameter is described in L<provider-mac(7)>. It is used by
the OpenSSL FIPS provider and the minimum length output for KMAC
is defined by NIST's SP 800-185 8.4.2.
=back =back
The "custom" parameter must be set as part of or before the EVP_MAC_init() call. The "custom" and "no-short-mac" parameters must be set as part of or before
the EVP_MAC_init() call.
The "xof" and "size" parameters can be set at any time before EVP_MAC_final(). The "xof" and "size" parameters can be set at any time before EVP_MAC_final().
The "key" parameter is set as part of the EVP_MAC_init() call, but can be The "key" parameter is set as part of the EVP_MAC_init() call, but can be
set before it instead. set before it instead.
@ -140,7 +150,8 @@ set before it instead.
=head1 SEE ALSO =head1 SEE ALSO
L<EVP_MAC_CTX_get_params(3)>, L<EVP_MAC_CTX_set_params(3)>, L<EVP_MAC_CTX_get_params(3)>, L<EVP_MAC_CTX_set_params(3)>,
L<EVP_MAC(3)/PARAMETERS>, L<OSSL_PARAM(3)> L<EVP_MAC(3)/PARAMETERS>, L<OSSL_PARAM(3)>,
L<SP 800-185 8.4.2|https://nvlpubs.nist.gov/nistpubs/SpecialPublications/NIST.SP.800-185.pdf>
=head1 COPYRIGHT =head1 COPYRIGHT

23
doc/man7/provider-mac.pod
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@ -191,6 +191,29 @@ Can be used to get the MAC block size (if supported by the algorithm).
=back =back
=over 4
=item "fips-indicator" (B<OSSL_MAC_PARAM_FIPS_APPROVED_INDICATOR>) <int>
A getter that returns 1 if the operation is FIPS approved, or 0 otherwise.
This may be used after calling the final function. It may return 0 if
"no-short-mac" are set to 0. This option is used by the OpenSSL FIPS
provider.
=back
=over 4
=item "no-short-mac" (B<OSSL_PROV_FIPS_PARAM_NO_SHORT_MAC>) <integer>
If required this parameter should be set early via an init function.
The default value of 1 causes an error when too short MAC output is
asked for. Setting this to 0 will ignore the error and set the approved
"fips-indicator" to 0. This option is used by the OpenSSL FIPS provider,
and breaks FIPS compliance if set to 0.
=back
=back =back
=head1 NOTES =head1 NOTES