diff options
| author | Richard Levitte <levitte@openssl.org> | 2020-03-19 14:02:42 +0100 |
|---|---|---|
| committer | Richard Levitte <levitte@openssl.org> | 2020-04-15 11:04:28 +0200 |
| commit | 10d756a70e2aeaff0c08e86014075a8623f3e0ab (patch) | |
| tree | ecd68e887037765cf453ae5593740002e04d4897 /doc | |
| parent | 1f185f51a7899e1eddc9161d7781e3d5ae86ab78 (diff) | |
EC: Refactor EVP_PKEY_CTX curve setting macros for param generation
The macros are converted to functions, and are modified to support
provider implementations.
Reviewed-by: Matt Caswell <matt@openssl.org>
Reviewed-by: Nicola Tuveri <nic.tuv@gmail.com>
(Merged from https://github.com/openssl/openssl/pull/11328)
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/man3/EVP_PKEY_CTX_ctrl.pod | 26 |
1 files changed, 22 insertions, 4 deletions
diff --git a/doc/man3/EVP_PKEY_CTX_ctrl.pod b/doc/man3/EVP_PKEY_CTX_ctrl.pod index ca1b1fa8b9..829bdb9e3d 100644 --- a/doc/man3/EVP_PKEY_CTX_ctrl.pod +++ b/doc/man3/EVP_PKEY_CTX_ctrl.pod @@ -51,6 +51,8 @@ EVP_PKEY_CTX_set_dh_kdf_outlen, EVP_PKEY_CTX_get_dh_kdf_outlen, EVP_PKEY_CTX_set0_dh_kdf_ukm, EVP_PKEY_CTX_get0_dh_kdf_ukm, +EVP_PKEY_CTX_set_ec_paramgen_curve_name, +EVP_PKEY_CTX_get_ec_paramgen_curve_name, EVP_PKEY_CTX_set_ec_paramgen_curve_nid, EVP_PKEY_CTX_set_ec_param_enc, EVP_PKEY_CTX_set_ecdh_cofactor_mode, @@ -143,6 +145,10 @@ EVP_PKEY_CTX_set1_id, EVP_PKEY_CTX_get1_id, EVP_PKEY_CTX_get1_id_len #include <openssl/ec.h> + int EVP_PKEY_CTX_set_ec_paramgen_curve_name(EVP_PKEY_CTX *ctx, + const char *name); + int EVP_PKEY_CTX_get_ec_paramgen_curve_name(EVP_PKEY_CTX *ctx, + char *name, size_t namelen); int EVP_PKEY_CTX_set_ec_paramgen_curve_nid(EVP_PKEY_CTX *ctx, int nid); int EVP_PKEY_CTX_set_ec_param_enc(EVP_PKEY_CTX *ctx, int param_enc); int EVP_PKEY_CTX_set_ecdh_cofactor_mode(EVP_PKEY_CTX *ctx, int cofactor_mode); @@ -513,12 +519,24 @@ by the library and should not be freed by the caller. =head2 EC parameters -The EVP_PKEY_CTX_set_ec_paramgen_curve_nid() sets the EC curve for EC parameter -generation to I<nid>. For EC parameter generation this macro must be called -or an error occurs because there is no default curve. -This function can also be called to set the curve explicitly when +EVP_PKEY_CTX_set_ec_paramgen_curve_name() sets the EC curve to I<name> for EC +parameter generation. + +EVP_PKEY_CTX_set_ec_paramgen_curve_nid() does the same as +EVP_PKEY_CTX_set_ec_paramgen_curve_name(), but uses a I<nid> rather than a +name string. + +For EC parameter generation, one of EVP_PKEY_CTX_set_ec_paramgen_curve_name() +or EVP_PKEY_CTX_set_ec_paramgen_curve_nid() must be called or an error occurs +because there is no default curve. +These function can also be called to set the curve explicitly when generating an EC key. +EVP_PKEY_CTX_get_ec_paramgen_curve_name() finds the curve name that's currently +set with I<ctx>, and writes it to the location that I<name> points at, as long +as its size I<namelen> is large enough to store that name, including a +terminating NUL byte. + The EVP_PKEY_CTX_set_ec_param_enc() macro sets the EC parameter encoding to I<param_enc> when generating EC parameters or an EC key. The encoding can be B<OPENSSL_EC_EXPLICIT_CURVE> for explicit parameters (the default in versions |