1.\" $NetBSD: libnetpgprsa.3,v 1.5 2014/03/18 18:20:35 riastradh Exp $
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3.\" Copyright (c) 2012 Alistair Crooks <agc@NetBSD.org>
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26.Dd April 13, 2012
27.Dt LIBNETPGPRSA 3
28.Os
29.Sh NAME
30.Nm libnetpgprsa
31.Nd BIGNUM library of multi-precision integers
32.Sh LIBRARY
33.Lb libnetpgprsa
34.Sh SYNOPSIS
35.In netpgp/rsa.h
36.Ft RSA *
37.Fo RSA_new
38.Fa "void"
39.Fc
40.Ft int
41.Fo RSA_size
42.Fa "const RSA *rsa"
43.Fc
44.Ft void
45.Fo RSA_free
46.Fa "RSA *rsa"
47.Fc
48.Ft int
49.Fo RSA_check_key
50.Fa "RSA *rsa"
51.Fc
52.Ft RSA *
53.Fo RSA_generate_key
54.Fa "int num" "unsigned long e" "void (*callback)(int, int, void *)" "void *callbackarg"
55.Fc
56.Ft int
57.Fo RSA_public_encrypt
58.Fa "int siglen" "const uint8_t *signature" "uint8_t *to" "RSA *rsa" "int padding"
59.Fc
60.Ft int
61.Fo RSA_private_encrypt
62.Fa "int siglen" "const uint8_t *signature" "uint8_t *to" "RSA *rsa" "int padding"
63.Fc
64.Ft int
65.Fo RSA_private_decrypt
66.Fa "int siglen" "const uint8_t *signature" "uint8_t *to" "RSA *rsa" "int padding"
67.Fc
68.Pp
69.Ft DSA *
70.Fo DSA_new
71.Fa "void"
72.Fc
73.Ft int
74.Fo DSA_size
75.Fa "const DSA *dsa"
76.Fc
77.Ft void
78.Fo DSA_free
79.Fa "DSA *dsa"
80.Fc
81.Ft DSA_SIG *
82.Fo DSA_SIG_new
83.Fa "void"
84.Fc
85.Ft void
86.Fo DSA_SIG_free
87.Fa "DSA_SIG *sig"
88.Fc
89.Ft int
90.Fo DSA_do_verify
91.Fa "const unsigned char *digest" "int digestlen" "DSA_SIG *sig" "DSA *dsa"
92.Fc
93.Ft int
94.Fo DSA_do_sign
95.Fa "const unsigned char *digest" "int digestlen" "DSA *dsa"
96.Fc
97.Sh DESCRIPTION
98.Nm
99is a small library which provides RSA signing,
100encryption and decryption, and DSA signing.
101RSA and DSA verification are provided by the
102.Xr libnetpgpverify 3
103library.
104.Sh SEE ALSO
105.Xr libnetpgpbn 3 ,
106.Xr libnetpgpverify 3
107.Sh HISTORY
108The
109.Nm
110library first appeared in
111.Nx 7.0 .
112.Sh AUTHORS
113.An Alistair Crooks Aq Mt agc@NetBSD.org
114