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openssl/doc/man7/EVP_SIGNATURE-DSA.pod

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Update core_names.h fields and document most fields. Renamed some values in core_names i.e Some DH specific names were changed to use DH instead of FFC. Added some strings values related to RSA keys. Moved set_params related docs out of EVP_PKEY_CTX_ctrl.pod into its own file. Updated Keyexchange and signature code and docs. Moved some common DSA/DH docs into a shared EVP_PKEY-FFC.pod. Moved Ed25519.pod into EVP_SIGNATURE-ED25519.pod and reworked it. Added some usage examples. As a result of the usage examples the following change was also made: ec allows OSSL_PKEY_PARAM_USE_COFACTOR_ECDH as a settable gen parameter. Reviewed-by: Richard Levitte <levitte@openssl.org> (Merged from https://github.com/openssl/openssl/pull/11610)
2020-05-26 11:53:07 +08:00
=pod
=head1 NAME
EVP_SIGNATURE-DSA
- The B<EVP_PKEY> DSA signature implementation
=head1 DESCRIPTION
Support for computing DSA signatures.
See L<EVP_PKEY-DSA(7)> for information related to DSA keys.
=head2 Signature Parameters
The following signature parameters can be set using EVP_PKEY_CTX_set_params().
This may be called after EVP_PKEY_sign_init() or EVP_PKEY_verify_init(),
doc: remove end of line whitespace Reviewed-by: Tomas Mraz <tomas@openssl.org> Reviewed-by: Shane Lontis <shane.lontis@oracle.com> (Merged from https://github.com/openssl/openssl/pull/16641)
2021-09-21 08:59:56 +08:00
and before calling EVP_PKEY_sign() or EVP_PKEY_verify().
Update core_names.h fields and document most fields. Renamed some values in core_names i.e Some DH specific names were changed to use DH instead of FFC. Added some strings values related to RSA keys. Moved set_params related docs out of EVP_PKEY_CTX_ctrl.pod into its own file. Updated Keyexchange and signature code and docs. Moved some common DSA/DH docs into a shared EVP_PKEY-FFC.pod. Moved Ed25519.pod into EVP_SIGNATURE-ED25519.pod and reworked it. Added some usage examples. As a result of the usage examples the following change was also made: ec allows OSSL_PKEY_PARAM_USE_COFACTOR_ECDH as a settable gen parameter. Reviewed-by: Richard Levitte <levitte@openssl.org> (Merged from https://github.com/openssl/openssl/pull/11610)
2020-05-26 11:53:07 +08:00
=over 4
=item "digest" (B<OSSL_SIGNATURE_PARAM_DIGEST>) <UTF8 string>
=item "properties" (B<OSSL_SIGNATURE_PARAM_PROPERTIES>) <UTF8 string>
Implement deterministic ECDSA sign (RFC6979) This PR is based off the contributions in PR #9223 by Jemmy1228. It has been modified and reworked to: (1) Work with providers (2) Support ECDSA and DSA (3) Add a KDF HMAC_DRBG implementation that shares code with the RAND HMAC_DRBG. A nonce_type is passed around inside the Signing API's, in order to support any future deterministic algorithms. Reviewed-by: Tomas Mraz <tomas@openssl.org> Reviewed-by: Paul Dale <pauli@openssl.org> Reviewed-by: Hugo Landau <hlandau@openssl.org> (Merged from https://github.com/openssl/openssl/pull/18809)
2022-07-15 19:22:01 +08:00
=item "nonce-type" (B<OSSL_SIGNATURE_PARAM_NONCE_TYPE>) <unsigned integer>
Update core_names.h fields and document most fields. Renamed some values in core_names i.e Some DH specific names were changed to use DH instead of FFC. Added some strings values related to RSA keys. Moved set_params related docs out of EVP_PKEY_CTX_ctrl.pod into its own file. Updated Keyexchange and signature code and docs. Moved some common DSA/DH docs into a shared EVP_PKEY-FFC.pod. Moved Ed25519.pod into EVP_SIGNATURE-ED25519.pod and reworked it. Added some usage examples. As a result of the usage examples the following change was also made: ec allows OSSL_PKEY_PARAM_USE_COFACTOR_ECDH as a settable gen parameter. Reviewed-by: Richard Levitte <levitte@openssl.org> (Merged from https://github.com/openssl/openssl/pull/11610)
2020-05-26 11:53:07 +08:00
The settable parameters are described in L<provider-signature(7)>.
=back
The following signature parameters can be retrieved using
EVP_PKEY_CTX_get_params().
=over 4
=item "algorithm-id" (B<OSSL_SIGNATURE_PARAM_ALGORITHM_ID>) <octet string>
=item "digest" (B<OSSL_SIGNATURE_PARAM_DIGEST>) <UTF8 string>
Allow OSSL_SIGNATURE_PARAM_NONCE_TYPE to be retrieved Context parameter OSSL_SIGNATURE_PARAM_NONCE_TYPE can now also be retrieved for ECDSA and DSA. Signed-off-by: Ingo Franzki <ifranzki@linux.ibm.com> Reviewed-by: Paul Dale <pauli@openssl.org> Reviewed-by: Tomas Mraz <tomas@openssl.org> (Merged from https://github.com/openssl/openssl/pull/20070)
2023-01-18 18:24:16 +08:00
=item "nonce-type" (B<OSSL_SIGNATURE_PARAM_NONCE_TYPE>) <unsigned integer>
Update core_names.h fields and document most fields. Renamed some values in core_names i.e Some DH specific names were changed to use DH instead of FFC. Added some strings values related to RSA keys. Moved set_params related docs out of EVP_PKEY_CTX_ctrl.pod into its own file. Updated Keyexchange and signature code and docs. Moved some common DSA/DH docs into a shared EVP_PKEY-FFC.pod. Moved Ed25519.pod into EVP_SIGNATURE-ED25519.pod and reworked it. Added some usage examples. As a result of the usage examples the following change was also made: ec allows OSSL_PKEY_PARAM_USE_COFACTOR_ECDH as a settable gen parameter. Reviewed-by: Richard Levitte <levitte@openssl.org> (Merged from https://github.com/openssl/openssl/pull/11610)
2020-05-26 11:53:07 +08:00
The gettable parameters are described in L<provider-signature(7)>.
=back
=head1 SEE ALSO
L<EVP_PKEY_CTX_set_params(3)>,
L<EVP_PKEY_sign(3)>,
L<EVP_PKEY_verify(3)>,
L<provider-signature(7)>,
=head1 COPYRIGHT
Copyright 2020 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
L<https://www.openssl.org/source/license.html>.
=cut
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