Add evp_keymgmt_export_to_provider(), for key transfer between providers

[openssl.git] / doc / man3 / EVP_PKEY_ASN1_METHOD.pod

diff --git a/doc/man3/EVP_PKEY_ASN1_METHOD.pod b/doc/man3/EVP_PKEY_ASN1_METHOD.pod
index 1d89c38f29be96b4c81f8f1d8b5bd921b5ce591b..ed44749cc2727cb6acc8e240cb22ab32dca68b38 100644 (file)
--- a/doc/man3/EVP_PKEY_ASN1_METHOD.pod
+++ b/doc/man3/EVP_PKEY_ASN1_METHOD.pod
@@ -361,6 +361,16 @@ public key data for an EVP_PKEY. They MUST return 0 on error, or 1 on success.
 They are called by L<EVP_PKEY_new_raw_private_key(3)>, and
 L<EVP_PKEY_new_raw_public_key(3)> respectively.
 
+ size_t (*dirty) (const EVP_PKEY *pk);
+ void *(*export_to) (const EVP_PKEY *pk, EVP_KEYMGMT *keymgmt);
+
+dirty_cnt() returns the internal key's dirty count.
+This can be used to synchronise different copies of the same keys.
+
+The export_to() method exports the key material from the given key to
+a provider, through the L<EVP_KEYMGMT(3)> interface, if that provider
+supports importing key material.
+
 =head2 Functions
 
 EVP_PKEY_asn1_new() creates and returns a new B<EVP_PKEY_ASN1_METHOD>