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(krb5_kerberos_enctypes): new function, returns the list of Kerberos

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encryption types sorted in order of most preferred to least preferred
encryption type.


git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@17908 ec53bebd-3082-4978-b11e-865c3cabbd6b
This commit is contained in:
Love Hörnquist Åstrand
2006-08-24 08:43:15 +00:00
parent 3ffb120454
commit c84978ea6d
1 changed files with 24 additions and 6 deletions
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30
lib/krb5/context.c
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@@ -422,13 +422,17 @@ krb5_free_config_files(char **filenames)
}
/*
* set `etype' to a malloced list of the default enctypes
* Returns the list of Kerberos encryption types sorted in order of
* most preferred to least preferred encryption type. The array ends
* with ETYPE_NULL. Note that some encryption types might be
* disabled, so you need to check with krb5_enctype_valid() before
* using the encryption type.
*/
static krb5_error_code
default_etypes(krb5_context context, krb5_enctype **etype)
const krb5_enctype * KRB5_LIB_FUNCTION
krb5_kerberos_enctypes(krb5_context context)
{
krb5_enctype p[] = {
static const krb5_enctype p[] = {
ETYPE_AES256_CTS_HMAC_SHA1_96,
ETYPE_AES128_CTS_HMAC_SHA1_96,
ETYPE_DES3_CBC_SHA1,
@@ -436,12 +440,26 @@ default_etypes(krb5_context context, krb5_enctype **etype)
ETYPE_ARCFOUR_HMAC_MD5,
ETYPE_DES_CBC_MD5,
ETYPE_DES_CBC_MD4,
ETYPE_DES_CBC_CRC
ETYPE_DES_CBC_CRC,
ETYPE_NULL
};
return p;
}
/*
* set `etype' to a malloced list of the default enctypes
*/
static krb5_error_code
default_etypes(krb5_context context, krb5_enctype **etype)
{
const krb5_enctype *p;
krb5_enctype *e = NULL, *ep;
int i, n = 0;
for (i = 0; i < sizeof(p)/sizeof(p[0]); i++) {
p = krb5_kerberos_enctypes(context);
for (i = 0; p[i] != ETYPE_NULL; i++) {
if (krb5_enctype_valid(context, p[i]) != 0)
continue;
ep = realloc(e, (n + 2) * sizeof(*e));