package sha3

// This file defines the ShakeHash interface, and provides
// functions for creating SHAKE and cSHAKE instances, as well as utility
// functions for hashing bytes to arbitrary-length output.
//
//
// SHAKE implementation is based on FIPS PUB 202 [1]
// cSHAKE implementations is based on NIST SP 800-185 [2]
//
// [1] https://nvlpubs.nist.gov/nistpubs/FIPS/NIST.FIPS.202.pdf

func (s *asmState) Read(out []byte) (n int, err error) {
	// The 'compute last message digest' instruction only stores the digest
	// at the first operand (dst) for SHAKE functions.
	if s.function != shake_128 && s.function != shake_256 {
		panic("sha3: can only call Read for SHAKE functions")
	}

	n = len(out)

	// need to pad if we were absorbing
	if s.state == spongeAbsorbing {
		s.state = spongeSqueezing

	// dsbyte contains the "domain separation" bits and the first bit of
	// the padding. Sections 6.1 and 6.2 of [1] separate the outputs of the
	// SHA-3 and SHAKE functions by appending bitstrings to the message.
	// Using a little-endian bit-ordering convention, these are "01" for SHA-3
	// and "1111" for SHAKE, or 00000010b and 00001111b, respectively. Then the
	// padding rule from section 5.1 is applied to pad the message to a multiple

// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

package sha3

// This file provides functions for creating instances of the SHA-3
// and SHAKE hash functions, as well as utility functions for hashing
// bytes.

import (
	"hash"
)

// New224 creates a new SHA3-224 hash.
// Its generic security strength is 224 bits against preimage attacks,

	}
	return c, kyberSharedSecret(ss, c), nil
}

func kyberSharedSecret(K, c []byte) []byte {
	// Package mlkem768 implements ML-KEM, which compared to Kyber removed a
	// final hashing step. Compute SHAKE-256(K || SHA3-256(c), 32) to match Kyber.
	// See https://words.filippo.io/mlkem768/#bonus-track-using-a-ml-kem-implementation-as-kyber-v3.
	h := sha3.NewShake256()
	h.Write(K)
	ch := sha3.Sum256(c)
	h.Write(ch[:])

	HasSHA1   bool // K{I,L}MD-SHA-1 functions
	HasSHA256 bool // K{I,L}MD-SHA-256 functions
	HasSHA512 bool // K{I,L}MD-SHA-512 functions
	HasSHA3   bool // K{I,L}MD-SHA3-{224,256,384,512} and K{I,L}MD-SHAKE-{128,256} functions
	HasVX     bool // vector facility. Note: the runtime sets this when it processes auxv records.
	HasVXE    bool // vector-enhancements facility 1
	HasKDSA   bool // elliptic curve functions

        verifyHasChildren(whenReadyEvaluated, initScriptAppId, 'init', expectedGradleOps)
    }

    def 'no extra executions for composite builds'() {
        // This test does two things:
        // - shake out internal listener registration that isn't using InternalListener.
        //   There are a lost of listeners registered through the methods that we've decorated in the composite build code

				}
			}
		}()

		// Short-lived goroutines exercise different code paths (goroutines with
		// status _Gdead, for instance). This churn doesn't have behavior that
		// we can test directly, but does help to shake out data races.
		ready.Add(1)
		var churn func(i int)
		churn = func(i int) {
			SetGoroutineLabels(WithLabels(ctx, Labels(t.Name()+"-churn-i", fmt.Sprint(i))))
			if i == 0 {
				ready.Done()

// this will shade it.
//
// 3. Once a goroutine's stack is black, the shade(ptr) becomes
// unnecessary. shade(ptr) prevents hiding an object by moving it from
// the stack to the heap, but this requires first having a pointer
// hidden on the stack. Immediately after a stack is scanned, it only
// points to shaded objects, so it's not hiding anything, and the

		}
	} else {
		// Note: can't use rawmem (which avoids zeroing of memory), because then GC can scan uninitialized memory.
		to = mallocgc(tomem, et, true)
		if copymem > 0 && writeBarrier.enabled {
			// Only shade the pointers in old.array since we know the destination slice to
			// only contains nil pointers because it has been cleared during alloc.
			//
			// It's safe to pass a type to this function as an optimization because