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=pod
=head1 NAME
RSA_sign_ASN1_OCTET_STRING, RSA_verify_ASN1_OCTET_STRING - RSA signatures
=head1 SYNOPSIS
#include <openssl/rsa.h>
int RSA_sign_ASN1_OCTET_STRING(int dummy, unsigned char *m,
unsigned int m_len, unsigned char *sigret, unsigned int *siglen,
RSA *rsa);
int RSA_verify_ASN1_OCTET_STRING(int dummy, unsigned char *m,
unsigned int m_len, unsigned char *sigbuf, unsigned int siglen,
RSA *rsa);
=head1 DESCRIPTION
RSA_sign_ASN1_OCTET_STRING() signs the octet string B<m> of size
B<m_len> using the private key B<rsa> represented in DER using PKCS #1
padding. It stores the signature in B<sigret> and the signature size
in B<siglen>. B<sigret> must point to B<RSA_size(rsa)> bytes of
memory.
B<dummy> is ignored.
The random number generator must be seeded prior to calling RSA_sign_ASN1_OCTET_STRING().
RSA_verify_ASN1_OCTET_STRING() verifies that the signature B<sigbuf>
of size B<siglen> is the DER representation of a given octet string
B<m> of size B<m_len>. B<dummy> is ignored. B<rsa> is the signer's
public key.
=head1 RETURN VALUES
RSA_sign_ASN1_OCTET_STRING() returns 1 on success, 0 otherwise.
RSA_verify_ASN1_OCTET_STRING() returns 1 on successful verification, 0
otherwise.
The error codes can be obtained by L<ERR_get_error(3)|ERR_get_error(3)>.
=head1 BUGS
These functions serve no recognizable purpose.
=head1 SEE ALSO
L<ERR_get_error(3)|ERR_get_error(3)>, L<objects(3)|objects(3)>,
L<rand(3)|rand(3)>, L<rsa(3)|rsa(3)>, L<RSA_sign(3)|RSA_sign(3)>,
L<RSA_verify(3)|RSA_verify(3)>
=head1 HISTORY
RSA_sign_ASN1_OCTET_STRING() and RSA_verify_ASN1_OCTET_STRING() were
added in SSLeay 0.8.
=cut
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