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+.\" Copyright (c) 1999 Kungliga Tekniska Högskolan
+.\" $Id: krb5_encrypt.3,v 1.1 1999/04/18 13:47:30 joda 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_crypto_init 3 ,
+.Xr krb5_create_checksum 3