retries > 100 { panic("fips140/drbg: failed to obtain initial entropy") } seed, err = entropy.Seed(&memory) } return &seed } // getEntropy is very slow (~500µs), so we don't want it on the hot path. // We keep both a persistent DRBG instance and a pool of additional instances. // Occasional uses will use drbgInstance, even if the pool was emptied since the // last use. Frequent concurrent uses will fill the pool and use it. var drbgInstance atomic.Pointer[Counter] var drbgPool = sync.Pool{ New: func()...

                This is simply inherited from Starlette.

                Read more about it in the
                [Starlette docs for Applications](https://www.starlette.dev/applications/#storing-state-on-the-app-instance).
                """
            ),
        ] = State()
        self.dependency_overrides: Annotated[
            dict[Callable[..., Any], Callable[..., Any]],
            Doc(
                """

                type_=self.response_model,
                mode="serialization",
            )
            # Create a clone of the field, so that a Pydantic submodel is not returned
            # as is just because it's an instance of a subclass of a more limited class
            # e.g. UserInDB (containing hashed_password) could be a subclass of User
            # that doesn't have the hashed_password. But because it's a subclass, it

func (d *Digest) permute() { keccakF1600(&d.a) d.n = 0 } // padAndPermute appends the domain separation bits in dsbyte, applies // the multi-bitrate 10..1 padding rule, and permutes the state. func (d *Digest) padAndPermute() { // Pad with this instance's domain-separator bits. We know that there's // at least one byte of space in the sponge because, if it were full, // permute would have been called to empty it. dsbyte also contains the // first one bit for the padding. See the comment in the state...