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=pod
=head1 NAME
d2i_RSAPublicKey, i2d_RSAPublicKey, d2i_RSAPrivateKey, i2d_RSAPrivateKey,
d2i_RSA_PUBKEY, i2d_RSA_PUBKEY, i2d_Netscape_RSA,
d2i_Netscape_RSA - RSA public and private key encoding functions.
=head1 SYNOPSIS
#include <openssl/rsa.h>
#include <openssl/x509.h>
RSA * d2i_RSAPublicKey(RSA **a, unsigned char **pp, long length);
int i2d_RSAPublicKey(RSA *a, unsigned char **pp);
RSA * d2i_RSA_PUBKEY(RSA **a, unsigned char **pp, long length);
int i2d_RSA_PUBKEY(RSA *a, unsigned char **pp);
RSA * d2i_RSAPrivateKey(RSA **a, unsigned char **pp, long length);
int i2d_RSAPrivateKey(RSA *a, unsigned char **pp);
int i2d_Netscape_RSA(RSA *a, unsigned char **pp, int (*cb)());
RSA * d2i_Netscape_RSA(RSA **a, unsigned char **pp, long length, int (*cb)());
=head1 DESCRIPTION
d2i_RSAPublicKey() and i2d_RSAPublicKey() decode and encode a PKCS#1 RSAPublicKey
structure.
d2i_RSA_PUBKEY() and i2d_RSA_PUBKEY() decode and encode an RSA public key using
a SubjectPublicKeyInfo (certificate public key) structure.
d2i_RSAPrivateKey(), i2d_RSAPrivateKey() decode and encode a PKCS#1 RSAPrivateKey
structure.
d2i_Netscape_RSA(), i2d_Netscape_RSA() decode and encode an RSA private key in
NET format.
The usage of all of these functions is similar to the d2i_X509() and
i2d_X509() described in the L<d2i_X509(3)|d2i_X509(3)> manual page.
=head1 NOTES
The B<RSA> structure passed to the private key encoding functions should have
all the PKCS#1 private key components present.
The data encoded by the private key functions is unencrypted and therefore
offers no private key security.
The NET format functions are present to provide compatibility with certain very
old software. This format has some severe security weaknesses and should be
avoided if possible.
=head1 SEE ALSO
L<d2i_X509(3)|d2i_X509(3)>
=head1 HISTORY
TBA
=cut
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