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=head1 NAME

d2i_DHparams, i2d_DHparams - PKCS#3 DH parameter functions.

=head1 SYNOPSIS

 #include <openssl/dh.h>

 DH *d2i_DHparams(DH **a, unsigned char **pp, long length);
 int i2d_DHparams(DH *a, unsigned char **pp);

=head1 DESCRIPTION

These functions decode and encode PKCS#3 DH parameters using the
DHparameter structure described in PKCS#3.

Otherwise these behave in a similar way to d2i_X509() and i2d_X509()
described in the L<d2i_X509(3)> manual page.

=head1 SEE ALSO

L<d2i_X509(3)>

=head1 HISTORY

TBA

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