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add set_param for RC2

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git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@13818 ec53bebd-3082-4978-b11e-865c3cabbd6b
This commit is contained in:
Love Hörnquist Åstrand
2004-04-26 22:03:02 +00:00
parent 0d09bd5540
commit 15ac7dcf54
1 changed files with 48 additions and 4 deletions
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52
lib/krb5/crypto.c
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@@ -94,8 +94,8 @@ struct key_type {
void (*random_to_key)(krb5_context, krb5_keyblock*, const void*, size_t);
krb5_error_code (*get_params)(krb5_context, const krb5_data *,
void **, krb5_data *);
krb5_error_code (*set_params)(krb5_context, void *, const krb5_data *,
krb5_data *);
krb5_error_code (*set_params)(krb5_context, const void *,
const krb5_data *, krb5_data *);
};
struct checksum_type {
@@ -800,6 +800,48 @@ rc2_get_params(krb5_context context,
return ret;
}
static krb5_error_code
rc2_set_params(krb5_context context,
const void *params,
const krb5_data *ivec,
krb5_data *data)
{
RC2CBCParameter rc2params;
const struct _RC2_params *p = params;
int maximum_effective_key = 128;
krb5_error_code ret;
size_t size;
memset(&rc2params, 0, sizeof(rc2params));
if (p)
maximum_effective_key = p->maximum_effective_key;
/* XXX */
switch(maximum_effective_key) {
case 40:
rc2params.rc2ParameterVersion = 160;
break;
case 64:
rc2params.rc2ParameterVersion = 120;
break;
case 128:
rc2params.rc2ParameterVersion = 58;
break;
}
ret = copy_octet_string(ivec, &rc2params.iv);
if (ret)
return ret;
ASN1_MALLOC_ENCODE(RC2CBCParameter, data->data, data->length,
&rc2params, &size, ret);
if (ret == 0 && size != data->length)
krb5_abortx(context, "Internal asn1 encoder failure");
free_RC2CBCParameter(&rc2params);
return ret;
}
static void
rc2_schedule(krb5_context context,
struct key_data *kd,
@@ -939,7 +981,8 @@ struct key_type keytype_rc2 = {
rc2_schedule,
NULL, /* XXX salt */
NULL,
rc2_get_params
rc2_get_params,
rc2_set_params
};
struct key_type *keytypes[] = {
@@ -4051,7 +4094,8 @@ krb5_crypto_set_params(krb5_context context,
const krb5_data *ivec,
krb5_data *params)
{
krb5_error_code (*sp)(krb5_context, void *,const krb5_data *,krb5_data *);
krb5_error_code (*sp)(krb5_context, const void *,
const krb5_data *, krb5_data *);
krb5_error_code ret;
sp = crypto->et->keytype->set_params;