X-Git-Url: https://git.openssl.org/?p=openssl.git;a=blobdiff_plain;f=doc%2Fman3%2FEVP_CIPHER_meth_new.pod;h=a33cb7634318e61f93ec00fa10e074eea9774bbf;hp=a3ab71860e1fc957294ca84e07d5b6ac1ae0ba06;hb=51e47d5f6a7944c3e3ddc5f6d376fc1320639277;hpb=e44480cc26c9bdf4227d963d84ae271a1efaccd9;ds=sidebyside

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