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.\" Copyright (c) 1999 Kungliga Tekniska Högskolan
.\" $Id: krb5_encrypt.3,v 1.3 2001/07/12 08:42:28 assar Exp $
.Dd April 7, 1999
.Dt KRB5_ENCRYPT 3
.Os HEIMDAL
.Sh NAME
.Nm krb5_decrypt ,
.Nm krb5_decrypt_EncryptedData ,
.Nm krb5_encrypt ,
.Nm krb5_encrypt_EncryptedData
.Nd encrypt and decrypt data
.Sh SYNOPSIS
.Fd #include <krb5.h>
.Ft krb5_error_code
.Fn krb5_encrypt "krb5_context context" "krb5_crypto crypto" "unsigned usage" "void *data" "size_t len" "krb5_data *result"
.Ft krb5_error_code
.Fn krb5_encrypt_EncryptedData "krb5_context context" "krb5_crypto crypto" "unsigned usage" "void *data" "size_t len" "int kvno" "EncryptedData *result"
.Ft krb5_error_code
.Fn krb5_decrypt "krb5_context context" "krb5_crypto crypto" "unsigned usage" "void *data" "size_t len" "krb5_data *result"
.Ft krb5_error_code
.Fn krb5_decrypt_EncryptedData "krb5_context context" "krb5_crypto crypto" "unsigned usage" "EncryptedData *e" "krb5_data *result"
.Sh DESCRIPTION
These functions are used to encrypt and decrypt data.
.Pp
.Fn krb5_encrypt
puts the encrypted version of
.Fa data
(of size
.Fa len )
in
.Fa result .
If the encryption type supports using derived keys,
.Fa usage
should be the appropriate key-usage.
.Fn krb5_encrypt_EncryptedData
does the same as
.Fn krb5_encrypt ,
but it puts the encrypted data in a
.Fa EncryptedData
structure instead. If
.Fa kvno
is not zero, it will be put in the
.Fa kvno field in the
.Fa EncryptedData .
.Pp
.Fn krb5_decrypt ,
and
.Fn krb5_decrypt_EncryptedData
works similarly.
.\" .Sh EXAMPLE
.\" .Sh BUGS
.Sh SEE ALSO
.Xr krb5_create_checksum 3 ,
.Xr krb5_crypto_init 3
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