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add krb5_cksumtype_to_enctype

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git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@23719 ec53bebd-3082-4978-b11e-865c3cabbd6b
This commit is contained in:
Love Hörnquist Åstrand
2008-09-01 10:54:25 +00:00
parent 2f3071b777
commit e11d48b938
1 changed files with 70 additions and 32 deletions
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102
lib/krb5/crypto.c
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@@ -2677,37 +2677,6 @@ krb5_enctype_to_keytype(krb5_context context,
return 0;
}
krb5_error_code KRB5_LIB_FUNCTION
krb5_keytype_to_enctypes (krb5_context context,
krb5_keytype keytype,
unsigned *len,
krb5_enctype **val)
{
int i;
unsigned n = 0;
krb5_enctype *ret;
for (i = num_etypes - 1; i >= 0; --i) {
if (etypes[i]->keytype->type == keytype
&& !(etypes[i]->flags & F_PSEUDO))
++n;
}
ret = malloc(n * sizeof(*ret));
if (ret == NULL && n != 0) {
krb5_set_error_message(context, ENOMEM, "malloc: out of memory");
return ENOMEM;
}
n = 0;
for (i = num_etypes - 1; i >= 0; --i) {
if (etypes[i]->keytype->type == keytype
&& !(etypes[i]->flags & F_PSEUDO))
ret[n++] = etypes[i]->type;
}
*len = n;
*val = ret;
return 0;
}
krb5_error_code KRB5_LIB_FUNCTION
krb5_enctype_valid(krb5_context context,
krb5_enctype etype)
@@ -2728,6 +2697,44 @@ krb5_enctype_valid(krb5_context context,
return 0;
}
/**
* Return the coresponding encryption type for a checksum type.
*
* @param context Kerberos context
* @param ctype The checksum type to get the result enctype for
* @param etype The returned encryption, when the matching etype is
* not found, etype is set to ETYPE_NULL.
*
* @return Return an error code for an failure or 0 on success.
* @ingroup krb5_crypto
*/
krb5_error_code KRB5_LIB_FUNCTION
krb5_cksumtype_to_enctype(krb5_context context,
krb5_cksumtype ctype,
krb5_enctype *etype)
{
int i;
*etype = ETYPE_NULL;
for(i = 0; i < num_etypes; i++) {
if(etypes[i]->keyed_checksum &&
etypes[i]->keyed_checksum->type == ctype)
{
*etype = etypes[i]->type;
return 0;
}
}
krb5_set_error_message (context, KRB5_PROG_SUMTYPE_NOSUPP,
"ckecksum type %d not supported",
(int)ctype);
return KRB5_PROG_SUMTYPE_NOSUPP;
}
krb5_error_code KRB5_LIB_FUNCTION
krb5_cksumtype_valid(krb5_context context,
krb5_cksumtype ctype)
@@ -3491,7 +3498,6 @@ krb5_decrypt_iov_ivec(krb5_context context,
return 0;
}
size_t KRB5_LIB_FUNCTION
krb5_crypto_length(krb5_context context,
krb5_crypto crypto,
@@ -4562,4 +4568,36 @@ krb5_string_to_keytype(krb5_context context,
"key type %s not supported", string);
return KRB5_PROG_KEYTYPE_NOSUPP;
}
krb5_error_code KRB5_LIB_FUNCTION
krb5_keytype_to_enctypes (krb5_context context,
krb5_keytype keytype,
unsigned *len,
krb5_enctype **val)
{
int i;
unsigned n = 0;
krb5_enctype *ret;
for (i = num_etypes - 1; i >= 0; --i) {
if (etypes[i]->keytype->type == keytype
&& !(etypes[i]->flags & F_PSEUDO))
++n;
}
ret = malloc(n * sizeof(*ret));
if (ret == NULL && n != 0) {
krb5_set_error_message(context, ENOMEM, "malloc: out of memory");
return ENOMEM;
}
n = 0;
for (i = num_etypes - 1; i >= 0; --i) {
if (etypes[i]->keytype->type == keytype
&& !(etypes[i]->flags & F_PSEUDO))
ret[n++] = etypes[i]->type;
}
*len = n;
*val = ret;
return 0;
}
#endif