utility functions. Allowing them to be optional. Also allowing to have multiple alternative security schemes that are then checked in a single dependency instead of each one verifying and returning the error to the client automatically when not satisfied. PR [#134](https://github.com/tiangolo/fastapi/pull/134).

* Update [SQL Tutorial](https://fastapi.tiangolo.com/tutorial/sql-databases/#create-a-middleware-to-handle-sessions) to close database sessions even when there are exceptions....

Exhibit A - Form of Secondary Licenses Notice

"This Source Code may also be made available under the following
Secondary Licenses when the conditions for such availability set forth
in the Eclipse Public License, v. 2.0 are satisfied: {name license(s),
version(s), and exceptions or additional permissions here}."

  Simply including a copy of this Agreement, including this Exhibit A

// defined in RFC 7627 and allowed by SP 800-135, Revision 1, Section 4.2.2. func MasterSecret[H fips140.Hash](hash func() H, preMasterSecret, transcript []byte) []byte { // "The TLS 1.2 KDF is an approved KDF when the following conditions are // satisfied: [...] (3) P_HASH uses either SHA-256, SHA-384 or SHA-512." h := hash() switch any(h).(type) { case *sha256.Digest: if h.Size() != 32 { fips140.RecordNonApproved() } case *sha512.Digest: if h.Size() != 46 && h.Size() != 64 { fips140.RecordNonApproved()...