pub unsafe static kSecDigestHMACKeyAttribute: &'static CFString👎Deprecated: SecTransform is no longer supported
Available on crate feature
SecDigestTransform only.Expand description
When set and used with one of the HMAC digest types, sets the key for the HMAC operation. The data type for this attribute must be a CFDataRef. If this value is not set, the transform will assume a zero length key.
See also Apple’s documentation