Function
Fwupdguid_hash_data
since: 1.2.5
[−]
Declaration [src]
gchar*
fwupd_guid_hash_data (
const guint8* data,
gsize datasz,
FwupdGuidFlags flags
)
[−]
Description [src]
Returns a GUID for some data. This uses a hash and so even small
differences in the data will produce radically different return values.
The implementation is taken from RFC4122, Section 4.1.3; specifically using a type-5 SHA-1 hash.
Available since: 1.2.5
[−]
Parameters
data-
Type:
const guint8*Data to hash.
The data is owned by the caller of the function. datasz-
Type:
gsizeLength of
data. flags-
Type:
FwupdGuidFlagsGUID flags, e.g.
FWUPD_GUID_FLAG_NAMESPACE_MICROSOFT.
[−]
Return value
Type: gchar*
A new GUID, or NULL for internal error.
| The caller of the function takes ownership of the data, and is responsible for freeing it. |
| The value is a NUL terminated UTF-8 string. |