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add krb5_data_ct_cmp

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Love Hornquist Astrand
2010-11-06 20:36:08 +01:00
parent 341f4a2f23
commit 0be50bf118
1 changed files with 19 additions and 0 deletions
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19
lib/krb5/data.c
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@@ -207,3 +207,22 @@ krb5_data_cmp(const krb5_data *data1, const krb5_data *data2)
return data1->length - data2->length;
return memcmp(data1->data, data2->data, data1->length);
}
/**
* Compare to data not exposing timing information from the checksum data
*
* @param data1 krb5_data to compare
* @param data2 krb5_data to compare
*
* @return returns zero for same data, otherwise non zero.
*
* @ingroup krb5
*/
KRB5_LIB_FUNCTION int KRB5_LIB_CALL
krb5_data_ct_cmp(const krb5_data *data1, const krb5_data *data2)
{
if (data1->length != data2->length)
return data1->length - data2->length;
return ct_memcmp(data1->data, data2->data, data1->length);
}