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doc: add verify-digested param for EdDSA 

Reviewed-by: Tomas Mraz <tomas@openssl.org>
Reviewed-by: Shane Lontis <shane.lontis@oracle.com>
(Merged from https://github.com/openssl/openssl/pull/25032)
This commit is contained in:
Pauli 2024-07-30 11:29:32 +10:00
parent b00ea9a6a2
commit ab02a297eb
1 changed files with 11 additions and 4 deletions
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15
doc/man7/EVP_SIGNATURE-ED25519.pod
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@ -38,9 +38,9 @@ instance, a nonempty context-string is not permitted.
=head2 ED25519 and ED448 Signature Parameters
Two parameters can be set during signing or verification: the EdDSA
B<instance name> and the B<context-string value>. They can be set by
passing an OSSL_PARAM array to EVP_DigestSignInit_ex().
The following parameters can be set during signing or verification by
passing an OSSL_PARAM array to EVP_DigestSignInit_ex() or
EVP_PKEY_CTX_set_params():
=over 4
@ -56,9 +56,14 @@ One of the five strings "Ed25519", "Ed25519ctx", "Ed25519ph", "Ed448", "Ed448ph"
A string of octets with length at most 255.
=item * "verify-digested" (B<OSSL_SIGNATURE_PARAM_EDDSA_VERIFY_DIGESTED> <integer>
If set to a nonzero value, EdDSA can be used to verify a hash of a message.
If zero, EdDSA will digest the message internally.
=back
Both of these parameters are optional.
All of these parameters are optional.
If the instance name is not specified, then the default "Ed25519" or
"Ed448" is used.
@ -82,6 +87,8 @@ EVP_PKEY_CTX_get_params().
=item * "context-string" (B<OSSL_SIGNATURE_PARAM_CONTEXT_STRING>) <octet string>
=item * "fips-indicator" (B<OSSL_SIGNATURE_PARAM_FIPS_APPROVED_INDICATOR>) <integer>
=back
The parameters are described in L<provider-signature(7)>.