How to use sha1 method of crypto Package

Best K6 code snippet using crypto.sha1

all_tests.go

Source:all_tests.go Github

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...45 {"crypto/cipher/aead_test", "aes-256-gcm", "crypto/cipher/test/aes_256_gcm_tests.txt"},46 {"crypto/cipher/aead_test", "aes-256-key-wrap", "crypto/cipher/test/aes_256_key_wrap_tests.txt"},47 {"crypto/cipher/aead_test", "chacha20-poly1305", "crypto/cipher/test/chacha20_poly1305_tests.txt"},48 {"crypto/cipher/aead_test", "rc4-md5-tls", "crypto/cipher/test/rc4_md5_tls_tests.txt"},49 {"crypto/cipher/aead_test", "rc4-sha1-tls", "crypto/cipher/test/rc4_sha1_tls_tests.txt"},50 {"crypto/cipher/aead_test", "aes-128-cbc-sha1-tls", "crypto/cipher/test/aes_128_cbc_sha1_tls_tests.txt"},51 {"crypto/cipher/aead_test", "aes-128-cbc-sha1-tls-implicit-iv", "crypto/cipher/test/aes_128_cbc_sha1_tls_implicit_iv_tests.txt"},52 {"crypto/cipher/aead_test", "aes-128-cbc-sha256-tls", "crypto/cipher/test/aes_128_cbc_sha256_tls_tests.txt"},53 {"crypto/cipher/aead_test", "aes-256-cbc-sha1-tls", "crypto/cipher/test/aes_256_cbc_sha1_tls_tests.txt"},54 {"crypto/cipher/aead_test", "aes-256-cbc-sha1-tls-implicit-iv", "crypto/cipher/test/aes_256_cbc_sha1_tls_implicit_iv_tests.txt"},55 {"crypto/cipher/aead_test", "aes-256-cbc-sha256-tls", "crypto/cipher/test/aes_256_cbc_sha256_tls_tests.txt"},56 {"crypto/cipher/aead_test", "aes-256-cbc-sha384-tls", "crypto/cipher/test/aes_256_cbc_sha384_tls_tests.txt"},57 {"crypto/cipher/aead_test", "des-ede3-cbc-sha1-tls", "crypto/cipher/test/des_ede3_cbc_sha1_tls_tests.txt"},58 {"crypto/cipher/aead_test", "des-ede3-cbc-sha1-tls-implicit-iv", "crypto/cipher/test/des_ede3_cbc_sha1_tls_implicit_iv_tests.txt"},59 {"crypto/cipher/aead_test", "rc4-md5-ssl3", "crypto/cipher/test/rc4_md5_ssl3_tests.txt"},60 {"crypto/cipher/aead_test", "rc4-sha1-ssl3", "crypto/cipher/test/rc4_sha1_ssl3_tests.txt"},61 {"crypto/cipher/aead_test", "aes-128-cbc-sha1-ssl3", "crypto/cipher/test/aes_128_cbc_sha1_ssl3_tests.txt"},62 {"crypto/cipher/aead_test", "aes-256-cbc-sha1-ssl3", "crypto/cipher/test/aes_256_cbc_sha1_ssl3_tests.txt"},63 {"crypto/cipher/aead_test", "des-ede3-cbc-sha1-ssl3", "crypto/cipher/test/des_ede3_cbc_sha1_ssl3_tests.txt"},64 {"crypto/cipher/aead_test", "aes-128-ctr-hmac-sha256", "crypto/cipher/test/aes_128_ctr_hmac_sha256.txt"},65 {"crypto/cipher/aead_test", "aes-256-ctr-hmac-sha256", "crypto/cipher/test/aes_256_ctr_hmac_sha256.txt"},66 {"crypto/cipher/cipher_test", "crypto/cipher/test/cipher_test.txt"},67 {"crypto/cmac/cmac_test"},68 {"crypto/constant_time_test"},69 {"crypto/dh/dh_test"},70 {"crypto/digest/digest_test"},71 {"crypto/dsa/dsa_test"},72 {"crypto/ec/ec_test"},73 {"crypto/ec/example_mul"},74 {"crypto/ecdsa/ecdsa_test"},75 {"crypto/err/err_test"},76 {"crypto/evp/evp_extra_test"},77 {"crypto/evp/evp_test", "crypto/evp/evp_tests.txt"},...

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prf.go

Source:prf.go Github

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...5import (6 "crypto"7 "crypto/hmac"8 "crypto/md5"9 "crypto/sha1"10 "crypto/sha256"11 "crypto/sha512"12 "errors"13 "fmt"14 "hash"15)16// Split a premaster secret in two as specified in RFC 4346, section 5.17func splitPreMasterSecret(secret []byte) (s1, s2 []byte) {18 s1 = secret[0 : (len(secret)+1)/2]19 s2 = secret[len(secret)/2:]20 return21}22// pHash implements the P_hash function, as defined in RFC 4346, section 5.23func pHash(result, secret, seed []byte, hash func() hash.Hash) {24 h := hmac.New(hash, secret)25 h.Write(seed)26 a := h.Sum(nil)27 j := 028 for j < len(result) {29 h.Reset()30 h.Write(a)31 h.Write(seed)32 b := h.Sum(nil)33 copy(result[j:], b)34 j += len(b)35 h.Reset()36 h.Write(a)37 a = h.Sum(nil)38 }39}40// prf10 implements the TLS 1.0 pseudo-random function, as defined in RFC 2246, section 5.41func prf10(result, secret, label, seed []byte) {42 hashSHA1 := sha1.New43 hashMD5 := md5.New44 labelAndSeed := make([]byte, len(label)+len(seed))45 copy(labelAndSeed, label)46 copy(labelAndSeed[len(label):], seed)47 s1, s2 := splitPreMasterSecret(secret)48 pHash(result, s1, labelAndSeed, hashMD5)49 result2 := make([]byte, len(result))50 pHash(result2, s2, labelAndSeed, hashSHA1)51 for i, b := range result2 {52 result[i] ^= b53 }54}55// prf12 implements the TLS 1.2 pseudo-random function, as defined in RFC 5246, section 5.56func prf12(hashFunc func() hash.Hash) func(result, secret, label, seed []byte) {57 return func(result, secret, label, seed []byte) {58 labelAndSeed := make([]byte, len(label)+len(seed))59 copy(labelAndSeed, label)60 copy(labelAndSeed[len(label):], seed)61 pHash(result, secret, labelAndSeed, hashFunc)62 }63}64// prf30 implements the SSL 3.0 pseudo-random function, as defined in65// www.mozilla.org/projects/security/pki/nss/ssl/draft302.txt section 6.66func prf30(result, secret, label, seed []byte) {67 hashSHA1 := sha1.New()68 hashMD5 := md5.New()69 done := 070 i := 071 // RFC 5246 section 6.3 says that the largest PRF output needed is 12872 // bytes. Since no more ciphersuites will be added to SSLv3, this will73 // remain true. Each iteration gives us 16 bytes so 10 iterations will74 // be sufficient.75 var b [11]byte76 for done < len(result) {77 for j := 0; j <= i; j++ {78 b[j] = 'A' + byte(i)79 }80 hashSHA1.Reset()81 hashSHA1.Write(b[:i+1])82 hashSHA1.Write(secret)83 hashSHA1.Write(seed)84 digest := hashSHA1.Sum(nil)85 hashMD5.Reset()86 hashMD5.Write(secret)87 hashMD5.Write(digest)88 done += copy(result[done:], hashMD5.Sum(nil))89 i++90 }91}92const (93 tlsRandomLength = 32 // Length of a random nonce in TLS 1.1.94 masterSecretLength = 48 // Length of a master secret in TLS 1.1.95 finishedVerifyLength = 12 // Length of verify_data in a Finished message.96)97var masterSecretLabel = []byte("master secret")98var keyExpansionLabel = []byte("key expansion")99var clientFinishedLabel = []byte("client finished")100var serverFinishedLabel = []byte("server finished")101var extendedMasterSecretLabel = []byte("extended master secret")102func prfAndHashForVersion(version uint16, suite *cipherSuite) (func(result, secret, label, seed []byte), crypto.Hash) {103 switch version {104 case VersionSSL30:105 return prf30, crypto.Hash(0)106 case VersionTLS10, VersionTLS11:107 return prf10, crypto.Hash(0)108 case VersionTLS12:109 if suite.flags&suiteSHA384 != 0 {110 return prf12(sha512.New384), crypto.SHA384111 }112 return prf12(sha256.New), crypto.SHA256113 default:114 panic("unknown version")115 }116}117func prfForVersion(version uint16, suite *cipherSuite) func(result, secret, label, seed []byte) {118 prf, _ := prfAndHashForVersion(version, suite)119 return prf120}121// masterFromPreMasterSecret generates the master secret from the pre-master122// secret. See http://tools.ietf.org/html/rfc5246#section-8.1123func masterFromPreMasterSecret(version uint16, suite *cipherSuite, preMasterSecret, clientRandom, serverRandom []byte, fin finishedHash, ems bool) []byte {124 if ems {125 session_hash := fin.Sum()126 masterSecret := make([]byte, masterSecretLength)127 prfForVersion(version, suite)(masterSecret, preMasterSecret, extendedMasterSecretLabel, session_hash)128 return masterSecret129 } else {130 seed := make([]byte, 0, len(clientRandom)+len(serverRandom))131 seed = append(seed, clientRandom...)132 seed = append(seed, serverRandom...)133 masterSecret := make([]byte, masterSecretLength)134 prfForVersion(version, suite)(masterSecret, preMasterSecret, masterSecretLabel, seed)135 return masterSecret136 }137}138// keysFromMasterSecret generates the connection keys from the master139// secret, given the lengths of the MAC key, cipher key and IV, as defined in140// RFC 2246, section 6.3.141func keysFromMasterSecret(version uint16, suite *cipherSuite, masterSecret, clientRandom, serverRandom []byte, macLen, keyLen, ivLen int) (clientMAC, serverMAC, clientKey, serverKey, clientIV, serverIV []byte) {142 seed := make([]byte, 0, len(serverRandom)+len(clientRandom))143 seed = append(seed, serverRandom...)144 seed = append(seed, clientRandom...)145 n := 2*macLen + 2*keyLen + 2*ivLen146 keyMaterial := make([]byte, n)147 prfForVersion(version, suite)(keyMaterial, masterSecret, keyExpansionLabel, seed)148 clientMAC = keyMaterial[:macLen]149 keyMaterial = keyMaterial[macLen:]150 serverMAC = keyMaterial[:macLen]151 keyMaterial = keyMaterial[macLen:]152 clientKey = keyMaterial[:keyLen]153 keyMaterial = keyMaterial[keyLen:]154 serverKey = keyMaterial[:keyLen]155 keyMaterial = keyMaterial[keyLen:]156 clientIV = keyMaterial[:ivLen]157 keyMaterial = keyMaterial[ivLen:]158 serverIV = keyMaterial[:ivLen]159 return160}161// lookupTLSHash looks up the corresponding crypto.Hash for a given162// hash from a TLS SignatureScheme.163func lookupTLSHash(signatureAlgorithm SignatureScheme) (crypto.Hash, error) {164 switch signatureAlgorithm {165 case PKCS1WithSHA1, ECDSAWithSHA1:166 return crypto.SHA1, nil167 case PKCS1WithSHA256, PSSWithSHA256, ECDSAWithP256AndSHA256:168 return crypto.SHA256, nil169 case PKCS1WithSHA384, PSSWithSHA384, ECDSAWithP384AndSHA384:170 return crypto.SHA384, nil171 case PKCS1WithSHA512, PSSWithSHA512, ECDSAWithP521AndSHA512:172 return crypto.SHA512, nil173 default:174 return 0, fmt.Errorf("tls: unsupported signature algorithm: %#04x", signatureAlgorithm)175 }176}177func newFinishedHash(version uint16, cipherSuite *cipherSuite) finishedHash {178 var buffer []byte179 if version == VersionSSL30 || version >= VersionTLS12 {180 buffer = []byte{}181 }182 prf, hash := prfAndHashForVersion(version, cipherSuite)183 if hash != 0 {184 return finishedHash{hash.New(), hash.New(), nil, nil, buffer, version, prf}185 }186 return finishedHash{sha1.New(), sha1.New(), md5.New(), md5.New(), buffer, version, prf}187}188// A finishedHash calculates the hash of a set of handshake messages suitable189// for including in a Finished message.190type finishedHash struct {191 client hash.Hash192 server hash.Hash193 // Prior to TLS 1.2, an additional MD5 hash is required.194 clientMD5 hash.Hash195 serverMD5 hash.Hash196 // In TLS 1.2, a full buffer is sadly required.197 buffer []byte198 version uint16199 prf func(result, secret, label, seed []byte)200}201func (h *finishedHash) Write(msg []byte) (n int, err error) {202 h.client.Write(msg)203 h.server.Write(msg)204 if h.version < VersionTLS12 {205 h.clientMD5.Write(msg)206 h.serverMD5.Write(msg)207 }208 if h.buffer != nil {209 h.buffer = append(h.buffer, msg...)210 }211 return len(msg), nil212}213func (h finishedHash) Sum() []byte {214 if h.version >= VersionTLS12 {215 return h.client.Sum(nil)216 }217 out := make([]byte, 0, md5.Size+sha1.Size)218 out = h.clientMD5.Sum(out)219 return h.client.Sum(out)220}221// finishedSum30 calculates the contents of the verify_data member of a SSLv3222// Finished message given the MD5 and SHA1 hashes of a set of handshake223// messages.224func finishedSum30(md5, sha1 hash.Hash, masterSecret []byte, magic []byte) []byte {225 md5.Write(magic)226 md5.Write(masterSecret)227 md5.Write(ssl30Pad1[:])228 md5Digest := md5.Sum(nil)229 md5.Reset()230 md5.Write(masterSecret)231 md5.Write(ssl30Pad2[:])232 md5.Write(md5Digest)233 md5Digest = md5.Sum(nil)234 sha1.Write(magic)235 sha1.Write(masterSecret)236 sha1.Write(ssl30Pad1[:40])237 sha1Digest := sha1.Sum(nil)238 sha1.Reset()239 sha1.Write(masterSecret)240 sha1.Write(ssl30Pad2[:40])241 sha1.Write(sha1Digest)242 sha1Digest = sha1.Sum(nil)243 ret := make([]byte, len(md5Digest)+len(sha1Digest))244 copy(ret, md5Digest)245 copy(ret[len(md5Digest):], sha1Digest)246 return ret247}248var ssl3ClientFinishedMagic = [4]byte{0x43, 0x4c, 0x4e, 0x54}249var ssl3ServerFinishedMagic = [4]byte{0x53, 0x52, 0x56, 0x52}250// clientSum returns the contents of the verify_data member of a client's251// Finished message.252func (h finishedHash) clientSum(masterSecret []byte) []byte {253 if h.version == VersionSSL30 {254 return finishedSum30(h.clientMD5, h.client, masterSecret, ssl3ClientFinishedMagic[:])255 }256 out := make([]byte, finishedVerifyLength)257 h.prf(out, masterSecret, clientFinishedLabel, h.Sum())258 return out259}260// serverSum returns the contents of the verify_data member of a server's261// Finished message.262func (h finishedHash) serverSum(masterSecret []byte) []byte {263 if h.version == VersionSSL30 {264 return finishedSum30(h.serverMD5, h.server, masterSecret, ssl3ServerFinishedMagic[:])265 }266 out := make([]byte, finishedVerifyLength)267 h.prf(out, masterSecret, serverFinishedLabel, h.Sum())268 return out269}270// hashForClientCertificate returns a digest over the handshake messages so far,271// suitable for signing by a TLS client certificate.272func (h finishedHash) hashForClientCertificate(sigType uint8, hashAlg crypto.Hash, masterSecret []byte) ([]byte, error) {273 if (h.version == VersionSSL30 || h.version >= VersionTLS12) && h.buffer == nil {274 panic("a handshake hash for a client-certificate was requested after discarding the handshake buffer")275 }276 if h.version == VersionSSL30 {277 if sigType != signaturePKCS1v15 {278 return nil, errors.New("tls: unsupported signature type for client certificate")279 }280 md5Hash := md5.New()281 md5Hash.Write(h.buffer)282 sha1Hash := sha1.New()283 sha1Hash.Write(h.buffer)284 return finishedSum30(md5Hash, sha1Hash, masterSecret, nil), nil285 }286 if h.version >= VersionTLS12 {287 hash := hashAlg.New()288 hash.Write(h.buffer)289 return hash.Sum(nil), nil290 }291 if sigType == signatureECDSA {292 return h.server.Sum(nil), nil293 }294 return h.Sum(), nil295}296// discardHandshakeBuffer is called when there is no more need to297// buffer the entirety of the handshake messages.298func (h *finishedHash) discardHandshakeBuffer() {...

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sha1

Using AI Code Generation

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1import (2func main() {3 h := sha1.New()4 h.Write([]byte(s))5 bs := h.Sum(nil)6 fmt.Println(s)7 fmt.Printf("%x8}9import (10func main() {11 h := sha1.New()12 h.Write([]byte(s))13 bs := h.Sum(nil)14 fmt.Println(s)15 fmt.Printf("%x16}17import (18func main() {19 h := sha1.New()20 h.Write([]byte(s))21 bs := h.Sum(nil)22 fmt.Println(s)23 fmt.Printf("%x24}25import (26func main() {27 h := sha1.New()28 h.Write([]byte(s))29 bs := h.Sum(nil)30 fmt.Println(s)31 fmt.Printf("%x32}33import (34func main() {35 h := sha1.New()36 h.Write([]byte(s))

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sha1

Using AI Code Generation

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1import (2func main() {3 h := sha1.New()4 h.Write([]byte(s))5 bs := h.Sum(nil)6 fmt.Println(s)7 fmt.Printf("%x8}9import (10func main() {11 h := sha256.New()12 h.Write([]byte(s))13 bs := h.Sum(nil)14 fmt.Println(s)15 fmt.Printf("%x16}17import (18func main() {19 h := sha512.New()20 h.Write([]byte(s))21 bs := h.Sum(nil)22 fmt.Println(s)

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sha1

Using AI Code Generation

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1import (2func main() {3 h := sha1.New()4 h.Write([]byte(s))5 bs := h.Sum(nil)6 fmt.Println(s)7 fmt.Printf("%x8}

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sha1

Using AI Code Generation

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1import (2func main() {3 h := sha1.New()4 h.Write([]byte(s))5 bs := h.Sum(nil)6 fmt.Println(s)7 fmt.Printf("%x8}9import (10func main() {11 h := sha256.New()12 h.Write([]byte(s))

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sha1

Using AI Code Generation

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1import (2func main() {3 h := sha1.New()4 io.WriteString(h, "test")5 fmt.Printf("%x", h.Sum(nil))6}7import (8func main() {9 h := sha256.New()10 io.WriteString(h, "test")11 fmt.Printf("%x", h.Sum(nil))12}13import (14func main() {15 h := sha512.New()16 io.WriteString(h, "test")17 fmt.Printf("%x", h.Sum(nil))18}

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sha1

Using AI Code Generation

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1import (2func main() {3 file, err := os.Open("2.go")4 if err != nil {5 fmt.Println(err)6 }7 defer file.Close()8 hash := sha1.New()9 if _, err := io.Copy(hash, file); err != nil {10 fmt.Println(err)11 }12 fmt.Printf("%x", hash.Sum(nil))13}

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sha1

Using AI Code Generation

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1import (2func main() {3h := sha1.New()4io.WriteString(h, "test")5fmt.Printf("%x", h.Sum(nil))6}7import (8func main() {

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sha1

Using AI Code Generation

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1import (2func main() {3 h := sha1.New()4 h.Write([]byte("test"))5 bs := h.Sum(nil)6 fmt.Println(bs)7}8import (9func main() {10 h := sha256.New()11 h.Write([]byte("test"))12 bs := h.Sum(nil)13 fmt.Println(bs)14}15import (16func main() {17 h := sha512.New()18 h.Write([]byte("test"))19 bs := h.Sum(nil)20 fmt.Println(bs)21}

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