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Hakase
2020-07-12 19:52:18 +09:00
parent 3a6d64bb68
commit e85ee33eee
501 changed files with 19166 additions and 10232 deletions
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doc/man3/EVP_PKEY_CTX_ctrl.pod
+1 -57
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@@ -2,10 +2,6 @@
=head1 NAME
EVP_PKEY_CTX_get_params,
EVP_PKEY_CTX_gettable_params,
EVP_PKEY_CTX_set_params,
EVP_PKEY_CTX_settable_params,
EVP_PKEY_CTX_ctrl,
EVP_PKEY_CTX_ctrl_str,
EVP_PKEY_CTX_ctrl_uint64,
@@ -78,11 +74,6 @@ EVP_PKEY_CTX_set1_id, EVP_PKEY_CTX_get1_id, EVP_PKEY_CTX_get1_id_len
#include <openssl/evp.h>
int EVP_PKEY_CTX_get_params(EVP_PKEY_CTX *ctx, OSSL_PARAM *params);
const OSSL_PARAM *EVP_PKEY_CTX_gettable_params(EVP_PKEY_CTX *ctx);
int EVP_PKEY_CTX_set_params(EVP_PKEY_CTX *ctx, OSSL_PARAM *params);
const OSSL_PARAM *EVP_PKEY_CTX_settable_params(EVP_PKEY_CTX *ctx);
int EVP_PKEY_CTX_ctrl(EVP_PKEY_CTX *ctx, int keytype, int optype,
int cmd, int p1, void *p2);
int EVP_PKEY_CTX_ctrl_uint64(EVP_PKEY_CTX *ctx, int keytype, int optype,
@@ -186,49 +177,6 @@ EVP_PKEY_CTX_set1_id, EVP_PKEY_CTX_get1_id, EVP_PKEY_CTX_get1_id_len
=head1 DESCRIPTION
The EVP_PKEY_CTX_get_params() and EVP_PKEY_CTX_set_params() functions get and
send arbitrary parameters from and to the algorithm implementation respectively.
Not all parameters may be supported by all providers.
See L<OSSL_PROVIDER(3)> for more information on providers.
See L<OSSL_PARAM(3)> for more information on parameters.
These functions must only be called after the EVP_PKEY_CTX has been initialised
for use in an operation.
The parameters currently supported by the default provider are:
=over 4
=item "pad" (B<OSSL_EXCHANGE_PARAM_PAD>) <unsigned integer>
Sets the DH padding mode.
If B<OSSL_EXCHANGE_PARAM_PAD> is 1 then the shared secret is padded with zeros
up to the size of the DH prime I<p>.
If B<OSSL_EXCHANGE_PARAM_PAD> is zero (the default) then no padding is
performed.
=item "digest" (B<OSSL_SIGNATURE_PARAM_DIGEST>) <UTF8 string>
Gets and sets the name of the digest algorithm used for the input to the
signature functions.
=item "digest-size" (B<OSSL_SIGNATURE_PARAM_DIGEST_SIZE>) <unsigned integer>
Gets and sets the output size of the digest algorithm used for the input to the
signature functions.
The length of the "digest-size" parameter should not exceed that of a B<size_t>.
The internal algorithm that supports this parameter is DSA.
=back
EVP_PKEY_CTX_gettable_params() and EVP_PKEY_CTX_settable_params() gets a
constant B<OSSL_PARAM> array that describes the gettable and
settable parameters for the current algorithm implementation, i.e. parameters
that can be used with EVP_PKEY_CTX_get_params() and EVP_PKEY_CTX_set_params()
respectively.
See L<OSSL_PARAM(3)> for the use of B<OSSL_PARAM> as parameter descriptor.
These functions must only be called after the EVP_PKEY_CTX has been initialised
for use in an operation.
The function EVP_PKEY_CTX_ctrl() sends a control operation to the context
I<ctx>. The key type used must match I<keytype> if it is not -1. The parameter
I<optype> is a mask indicating which operations the control can be applied to.
@@ -662,17 +610,13 @@ allocate adequate memory space for the I<id> before calling EVP_PKEY_CTX_get1_id
=head1 RETURN VALUES
EVP_PKEY_CTX_set_params() returns 1 for success or 0 otherwise.
EVP_PKEY_CTX_settable_params() returns an OSSL_PARAM array on success or NULL on
error.
It may also return NULL if there are no settable parameters available.
All other functions and macros described on this page return a positive value
for success and 0 or a negative value for failure. In particular a return value
of -2 indicates the operation is not supported by the public key algorithm.
=head1 SEE ALSO
L<EVP_PKEY_CTX_set_params(3)>,
L<EVP_PKEY_CTX_new(3)>,
L<EVP_PKEY_encrypt(3)>,
L<EVP_PKEY_decrypt(3)>,