Using a salt value Post: 302712195

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krb5_free_salt

KRB5_STRING_TO_KEY(3)					   BSD Library Functions Manual 				     KRB5_STRING_TO_KEY(3)

NAME

     krb5_string_to_key, krb5_string_to_key_data, krb5_string_to_key_data_salt, krb5_string_to_key_data_salt_opaque, krb5_string_to_key_salt,
     krb5_string_to_key_salt_opaque, krb5_get_pw_salt, krb5_free_salt -- turns a string to a Kerberos key

LIBRARY

     Kerberos 5 Library (libkrb5, -lkrb5)

SYNOPSIS

     #include <krb5.h>

     krb5_error_code
     krb5_string_to_key(krb5_context context, krb5_enctype enctype, const char *password, krb5_principal principal, krb5_keyblock *key);

     krb5_error_code
     krb5_string_to_key_data(krb5_context context, krb5_enctype enctype, krb5_data password, krb5_principal principal, krb5_keyblock *key);

     krb5_error_code
     krb5_string_to_key_data_salt(krb5_context context, krb5_enctype enctype, krb5_data password, krb5_salt salt, krb5_keyblock *key);

     krb5_error_code
     krb5_string_to_key_data_salt_opaque(krb5_context context, krb5_enctype enctype, krb5_data password, krb5_salt salt, krb5_data opaque,
	 krb5_keyblock *key);

     krb5_error_code
     krb5_string_to_key_salt(krb5_context context, krb5_enctype enctype, const char *password, krb5_salt salt, krb5_keyblock *key);

     krb5_error_code
     krb5_string_to_key_salt_opaque(krb5_context context, krb5_enctype enctype, const char *password, krb5_salt salt, krb5_data opaque,
	 krb5_keyblock *key);

     krb5_error_code
     krb5_get_pw_salt(krb5_context context, krb5_const_principal principal, krb5_salt *salt);

     krb5_error_code
     krb5_free_salt(krb5_context context, krb5_salt salt);

DESCRIPTION

     The string to key functions convert a string to a kerberos key.

     krb5_string_to_key_data_salt_opaque() is the function that does all the work, the rest of the functions are just wrappers around
     krb5_string_to_key_data_salt_opaque() that calls it with default values.

     krb5_string_to_key_data_salt_opaque() transforms the password with the given salt-string salt and the opaque, encryption type specific param-
     eter opaque to a encryption key key according to the string to key function associated with enctype.

     The key should be freed with krb5_free_keyblock_contents().

     If one of the functions that doesn't take a krb5_salt as it argument krb5_get_pw_salt() is used to get the salt value.

     krb5_get_pw_salt() get the default password salt for a principal, use krb5_free_salt() to free the salt when done.

     krb5_free_salt() frees the content of salt.

SEE ALSO

     krb5(3), krb5_data(3), krb5_keyblock(3), kerberos(8)

HEIMDAL 
							   July 10, 2006							   HEIMDAL