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How to use sha512_256 method of crypto Package

Best K6 code snippet using crypto.sha512_256

sha512.go

Source:sha512.go

1// Copyright 2009 The Go Authors. All rights reserved.2// Use of this source code is governed by a BSD-style3// license that can be found in the LICENSE file.4// Package sha512 implements the SHA-384, SHA-512, SHA-512/224, and SHA-512/2565// hash algorithms as defined in FIPS 180-4.6package sha5127import (8	"crypto"9	"hash"10)11func init() {12	crypto.RegisterHash(crypto.SHA384, New384)13	crypto.RegisterHash(crypto.SHA512, New)14	crypto.RegisterHash(crypto.SHA512_224, New512_224)15	crypto.RegisterHash(crypto.SHA512_256, New512_256)16}17const (18	// Size is the size, in bytes, of a SHA-512 checksum.19	Size = 6420	// Size224 is the size, in bytes, of a SHA-512/224 checksum.21	Size224 = 2822	// Size256 is the size, in bytes, of a SHA-512/256 checksum.23	Size256 = 3224	// Size384 is the size, in bytes, of a SHA-384 checksum.25	Size384 = 4826	// BlockSize is the block size, in bytes, of the SHA-512/224,27	// SHA-512/256, SHA-384 and SHA-512 hash functions.28	BlockSize = 12829)30const (31	chunk     = 12832	init0     = 0x6a09e667f3bcc90833	init1     = 0xbb67ae8584caa73b34	init2     = 0x3c6ef372fe94f82b35	init3     = 0xa54ff53a5f1d36f136	init4     = 0x510e527fade682d137	init5     = 0x9b05688c2b3e6c1f38	init6     = 0x1f83d9abfb41bd6b39	init7     = 0x5be0cd19137e217940	init0_224 = 0x8c3d37c819544da241	init1_224 = 0x73e1996689dcd4d642	init2_224 = 0x1dfab7ae32ff9c8243	init3_224 = 0x679dd514582f9fcf44	init4_224 = 0x0f6d2b697bd44da845	init5_224 = 0x77e36f7304c4894246	init6_224 = 0x3f9d85a86a1d36c847	init7_224 = 0x1112e6ad91d692a148	init0_256 = 0x22312194fc2bf72c49	init1_256 = 0x9f555fa3c84c64c250	init2_256 = 0x2393b86b6f53b15151	init3_256 = 0x963877195940eabd52	init4_256 = 0x96283ee2a88effe353	init5_256 = 0xbe5e1e255386399254	init6_256 = 0x2b0199fc2c85b8aa55	init7_256 = 0x0eb72ddc81c52ca256	init0_384 = 0xcbbb9d5dc1059ed857	init1_384 = 0x629a292a367cd50758	init2_384 = 0x9159015a3070dd1759	init3_384 = 0x152fecd8f70e593960	init4_384 = 0x67332667ffc00b3161	init5_384 = 0x8eb44a876858151162	init6_384 = 0xdb0c2e0d64f98fa763	init7_384 = 0x47b5481dbefa4fa464)65// digest represents the partial evaluation of a checksum.66type digest struct {67	h        [8]uint6468	x        [chunk]byte69	nx       int70	len      uint6471	function crypto.Hash72}73func (d *digest) Reset() {74	switch d.function {75	case crypto.SHA384:76		d.h[0] = init0_38477		d.h[1] = init1_38478		d.h[2] = init2_38479		d.h[3] = init3_38480		d.h[4] = init4_38481		d.h[5] = init5_38482		d.h[6] = init6_38483		d.h[7] = init7_38484	case crypto.SHA512_224:85		d.h[0] = init0_22486		d.h[1] = init1_22487		d.h[2] = init2_22488		d.h[3] = init3_22489		d.h[4] = init4_22490		d.h[5] = init5_22491		d.h[6] = init6_22492		d.h[7] = init7_22493	case crypto.SHA512_256:94		d.h[0] = init0_25695		d.h[1] = init1_25696		d.h[2] = init2_25697		d.h[3] = init3_25698		d.h[4] = init4_25699		d.h[5] = init5_256100		d.h[6] = init6_256101		d.h[7] = init7_256102	default:103		d.h[0] = init0104		d.h[1] = init1105		d.h[2] = init2106		d.h[3] = init3107		d.h[4] = init4108		d.h[5] = init5109		d.h[6] = init6110		d.h[7] = init7111	}112	d.nx = 0113	d.len = 0114}115// New returns a new hash.Hash computing the SHA-512 checksum.116func New() hash.Hash {117	d := &digest{function: crypto.SHA512}118	d.Reset()119	return d120}121// New512_224 returns a new hash.Hash computing the SHA-512/224 checksum.122func New512_224() hash.Hash {123	d := &digest{function: crypto.SHA512_224}124	d.Reset()125	return d126}127// New512_256 returns a new hash.Hash computing the SHA-512/256 checksum.128func New512_256() hash.Hash {129	d := &digest{function: crypto.SHA512_256}130	d.Reset()131	return d132}133// New384 returns a new hash.Hash computing the SHA-384 checksum.134func New384() hash.Hash {135	d := &digest{function: crypto.SHA384}136	d.Reset()137	return d138}139func (d *digest) Size() int {140	switch d.function {141	case crypto.SHA512_224:142		return Size224143	case crypto.SHA512_256:144		return Size256145	case crypto.SHA384:146		return Size384147	default:148		return Size149	}150}151func (d *digest) BlockSize() int { return BlockSize }152func (d *digest) Write(p []byte) (nn int, err error) {153	nn = len(p)154	d.len += uint64(nn)155	if d.nx > 0 {156		n := copy(d.x[d.nx:], p)157		d.nx += n158		if d.nx == chunk {159			block(d, d.x[:])160			d.nx = 0161		}162		p = p[n:]163	}164	if len(p) >= chunk {165		n := len(p) &^ (chunk - 1)166		block(d, p[:n])167		p = p[n:]168	}169	if len(p) > 0 {170		d.nx = copy(d.x[:], p)171	}172	return173}174func (d0 *digest) Sum(in []byte) []byte {175	// Make a copy of d0 so that caller can keep writing and summing.176	d := new(digest)177	*d = *d0178	hash := d.checkSum()179	switch d.function {180	case crypto.SHA384:181		return append(in, hash[:Size384]...)182	case crypto.SHA512_224:183		return append(in, hash[:Size224]...)184	case crypto.SHA512_256:185		return append(in, hash[:Size256]...)186	default:187		return append(in, hash[:]...)188	}189}190func (d *digest) checkSum() [Size]byte {191	// Padding.  Add a 1 bit and 0 bits until 112 bytes mod 128.192	len := d.len193	var tmp [128]byte194	tmp[0] = 0x80195	if len%128 < 112 {196		d.Write(tmp[0 : 112-len%128])197	} else {198		d.Write(tmp[0 : 128+112-len%128])199	}200	// Length in bits.201	len <<= 3202	for i := uint(0); i < 16; i++ {203		tmp[i] = byte(len >> (120 - 8*i))204	}205	d.Write(tmp[0:16])206	if d.nx != 0 {207		panic("d.nx != 0")208	}209	h := d.h[:]210	if d.function == crypto.SHA384 {211		h = d.h[:6]212	}213	var digest [Size]byte214	for i, s := range h {215		digest[i*8] = byte(s >> 56)216		digest[i*8+1] = byte(s >> 48)217		digest[i*8+2] = byte(s >> 40)218		digest[i*8+3] = byte(s >> 32)219		digest[i*8+4] = byte(s >> 24)220		digest[i*8+5] = byte(s >> 16)221		digest[i*8+6] = byte(s >> 8)222		digest[i*8+7] = byte(s)223	}224	return digest225}226// Sum512 returns the SHA512 checksum of the data.227func Sum512(data []byte) [Size]byte {228	d := digest{function: crypto.SHA512}229	d.Reset()230	d.Write(data)231	return d.checkSum()232}233// Sum384 returns the SHA384 checksum of the data.234func Sum384(data []byte) (sum384 [Size384]byte) {235	d := digest{function: crypto.SHA384}236	d.Reset()237	d.Write(data)238	sum := d.checkSum()239	copy(sum384[:], sum[:Size384])240	return241}242// Sum512_224 returns the Sum512/224 checksum of the data.243func Sum512_224(data []byte) (sum224 [Size224]byte) {244	d := digest{function: crypto.SHA512_224}245	d.Reset()246	d.Write(data)247	sum := d.checkSum()248	copy(sum224[:], sum[:Size224])249	return250}251// Sum512_256 returns the Sum512/256 checksum of the data.252func Sum512_256(data []byte) (sum256 [Size256]byte) {253	d := digest{function: crypto.SHA512_256}254	d.Reset()255	d.Write(data)256	sum := d.checkSum()257	copy(sum256[:], sum[:Size256])258	return259}...

sha512_256

Using AI Code Generation

1import (2func main() {3 h := sha512.New512_256()4 h.Write([]byte("hello"))5 fmt.Printf("%x6", h.Sum(nil))7}

sha512_256

Using AI Code Generation

1import (2func main() {3    h := sha512.New512_256()4    io.WriteString(h, "This is a test")5    fmt.Printf("%x", h.Sum(nil))6}7import (8func main() {9    h := sha512.New512_256()10    h.Write([]byte("This is a test"))11    fmt.Printf("%x", h.Sum(nil))12}13import (14func main() {15    h := sha512.New512_256()16    h.Write([]byte("This is a test"))17    bs := h.Sum(nil)18    fmt.Printf("%x", bs)19}20import (21func main() {22    h := sha512.New512_256()23    h.Write([]byte("This is a test"))24    bs := h.Sum(nil)25    fmt.Printf("%x

sha512_256

Using AI Code Generation

1import (2func main() {3    fmt.Println("Hello, playground")4    h := sha512.Sum512_256([]byte(s))5    fmt.Printf("%x6}7import (8func main() {9    fmt.Println("Hello, playground")10    h := sha512.Sum512_256([]byte(s))11    fmt.Printf("%x12}13import (14func main() {15    fmt.Println("Hello, playground")16    h := sha512.Sum512_256([]byte(s))17    fmt.Printf("%x18}19import (20func main() {21    fmt.Println("Hello, playground")22    h := sha512.Sum512_256([]byte(s))23    fmt.Printf("%x24}25import (26func main() {27    fmt.Println("Hello, playground")28    h := sha512.Sum512_256([]byte(s))29    fmt.Printf("%x30}31import (32func main() {33    fmt.Println("Hello, playground")34    h := sha512.Sum512_256([]byte(s))35    fmt.Printf("%x36}37import (

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