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doc/internal/man3/ossl_prov_util_nid_to_name.pod

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+=pod
+
+=head1 NAME
+
+ossl_prov_util_nid_to_name
+- provider utility functions
+
+=head1 SYNOPSIS
+
+ #include "internal/providercommon.h"
+
+ const char *ossl_prov_util_nid_to_name(int nid);
+
+=head1 DESCRIPTION
+
+The ossl_prov_util_nid_to_name() returns the name of an algorithm given a NID
+in the B<nid> parameter. For the default and legacy providers it is equivalent
+to calling OBJ_nid2sn(). The FIPS provider does not have the object database
+code available to it (because that code relies on the ASN.1 code), so this
+function is a static lookup of all known FIPS algorithm NIDs.
+
+=head1 RETURN VALUES
+
+Returns a pointer to the algorithm name, or NULL on error.
+
+=head1 COPYRIGHT
+
+Copyright 2019 The OpenSSL Project Authors. All Rights Reserved.
+
+Licensed under the Apache License 2.0 (the "License").  You may not use
+this file except in compliance with the License.  You can obtain a copy
+in the file LICENSE in the source distribution or at
+L<https://www.openssl.org/source/license.html>.
+
+=cut