diff options
Diffstat (limited to 'doc/man3/EVP_CIPHER_meth_new.pod')
-rw-r--r-- | doc/man3/EVP_CIPHER_meth_new.pod | 29 |
1 files changed, 22 insertions, 7 deletions
diff --git a/doc/man3/EVP_CIPHER_meth_new.pod b/doc/man3/EVP_CIPHER_meth_new.pod index a3ab71860e..a33cb76343 100644 --- a/doc/man3/EVP_CIPHER_meth_new.pod +++ b/doc/man3/EVP_CIPHER_meth_new.pod @@ -204,17 +204,32 @@ EVP_CIPHER_CTX_get_cipher_data(). This cleanup function is called by EVP_CIPHER_CTX_reset() and EVP_CIPHER_CTX_free(). +EVP_CIPHER_meth_set_set_asn1_params() sets the function for B<cipher> +to set the AlgorithmIdentifier "parameter" based on the passed cipher. +This function is called by EVP_CIPHER_param_to_asn1(). +EVP_CIPHER_meth_set_get_asn1_params() sets the function for B<cipher> +that sets the cipher parameters based on an ASN.1 AlgorithmIdentifier +"parameter". +Both these functions are needed when there is a need for custom data +(more or other than the cipher IV). +They are called by EVP_CIPHER_param_to_asn1() and +EVP_CIPHER_asn1_to_param() respectively if defined. + EVP_CIPHER_meth_set_ctrl() sets the control function for B<cipher>. +EVP_CIPHER_meth_get_init(), EVP_CIPHER_meth_get_do_cipher(), +EVP_CIPHER_meth_get_cleanup(), EVP_CIPHER_meth_get_set_asn1_params(), +EVP_CIPHER_meth_get_get_asn1_params() and EVP_CIPHER_meth_get_ctrl() +are all used to retrieve the method data given with the +EVP_CIPHER_meth_set_*() functions above. + =head1 RETURN VALUES -EVP_CIPHER_meth_get_input_blocksize(), EVP_CIPHER_meth_get_result_size(), -EVP_CIPHER_meth_get_app_datasize(), EVP_CIPHER_meth_get_flags(), -EVP_CIPHER_meth_get_init(), EVP_CIPHER_meth_get_update(), -EVP_CIPHER_meth_get_final(), EVP_CIPHER_meth_get_copy(), -EVP_CIPHER_meth_get_cleanup() and EVP_CIPHER_meth_get_ctrl() are all used -to retrieve the method data given with the EVP_CIPHER_meth_set_*() -functions above. +EVP_CIPHER_meth_new() and EVP_CIPHER_meth_dup() return a pointer to a +newly created B<EVP_CIPHER>, or NULL on failure. +All EVP_CIPHER_meth_set_*() functions return 1. +All EVP_CIPHER_meth_get_*() functions return pointers to their +respective B<cipher> function. =head1 SEE ALSO |