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lib/krb5: use krb5_verify_checksum() in krb5_c_verify_checksum()

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This allows the optimized checksum->verify() function to be used.

Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
(cherry picked from Samba commit fb318ab0203297019c5e47c6bef4a9abfdeea8a5)
This commit is contained in:
Stefan Metzmacher
2016-11-22 13:53:53 +01:00
committed by Nico Williams
parent 641105bfbd
commit 6fa09c001f
1 changed files with 9 additions and 8 deletions
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17
lib/krb5/mit_glue.c
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@@ -67,22 +67,23 @@ krb5_c_verify_checksum(krb5_context context, const krb5_keyblock *key,
const krb5_checksum *cksum, krb5_boolean *valid)
{
krb5_error_code ret;
krb5_checksum data_cksum;
krb5_crypto crypto;
*valid = 0;
ret = krb5_c_make_checksum(context, cksum->cksumtype,
key, usage, data, &data_cksum);
ret = krb5_crypto_init(context, key, 0, &crypto);
if (ret)
return ret;
if (data_cksum.cksumtype == cksum->cksumtype
&& krb5_data_ct_cmp(&data_cksum.checksum, &cksum->checksum) == 0)
ret = krb5_verify_checksum(context, crypto, usage,
data->data, data->length, cksum);
krb5_crypto_destroy(context, crypto);
if (ret == 0) {
*valid = 1;
}
krb5_free_checksum_contents(context, &data_cksum);
return 0;
return ret;
}
KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL