Latest update.

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2020-01-17 19:45:12 +09:00
parent 016df9f433
commit 0f7abb4eb6
1100 changed files with 47785 additions and 16292 deletions
+9 -18
View File
@@ -2,14 +2,13 @@
=head1 NAME
EVP_PKEY_verify_init_ex, EVP_PKEY_verify_init, EVP_PKEY_verify
EVP_PKEY_verify_init, EVP_PKEY_verify
- signature verification using a public key algorithm
=head1 SYNOPSIS
#include <openssl/evp.h>
int EVP_PKEY_verify_init_ex(EVP_PKEY_CTX *ctx, EVP_SIGNATURE *signature);
int EVP_PKEY_verify_init(EVP_PKEY_CTX *ctx);
int EVP_PKEY_verify(EVP_PKEY_CTX *ctx,
const unsigned char *sig, size_t siglen,
@@ -17,24 +16,16 @@ EVP_PKEY_verify_init_ex, EVP_PKEY_verify_init, EVP_PKEY_verify
=head1 DESCRIPTION
The EVP_PKEY_verify_init_ex() function initializes a public key algorithm
context for performing signature verification using the signature algorithm
B<signature>.
The signature algorithm B<signature> should be fetched using a call to
L<EVP_SIGNATURE_fetch(3)>.
The EVP_PKEY object associated with B<ctx> must be compatible with that
algorithm.
B<signature> may be NULL in which case the EVP_SIGNATURE algorithm is fetched
implicitly based on the type of EVP_PKEY associated with B<ctx>.
See L<provider(7)/Implicit fetch> for more information about implict fetches.
The EVP_PKEY_verify_init() function is the same as EVP_PKEY_verify_init_ex()
except that the EVP_SIGNATURE algorithm is always implicitly fetched.
EVP_PKEY_verify_init() initializes a public key algorithm context I<ctx> for
signing using the algorithm given when the context was created
using L<EVP_PKEY_CTX_new(3)> or variants thereof. The algorithm is used to
fetch a B<EVP_SIGNATURE> method implicitly, see L<provider(7)/Implicit fetch>
for more information about implict fetches.
The EVP_PKEY_verify() function performs a public key verification operation
using B<ctx>. The signature is specified using the B<sig> and
B<siglen> parameters. The verified data (i.e. the data believed originally
signed) is specified using the B<tbs> and B<tbslen> parameters.
using I<ctx>. The signature is specified using the I<sig> and
I<siglen> parameters. The verified data (i.e. the data believed originally
signed) is specified using the I<tbs> and I<tbslen> parameters.
=head1 NOTES