How to use b64Encode method of encoding Package

Best K6 code snippet using encoding.b64Encode

utils.go

Source:utils.go Github

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1package gomobile2import (3 "encoding/base64"4 "encoding/json"5 "github.com/incognitochain/incognito-chain/common"6 "github.com/incognitochain/incognito-chain/common/base58"7 "github.com/incognitochain/incognito-chain/consensus_v2/signatureschemes/blsmultisig"8 "github.com/incognitochain/incognito-chain/privacy"9 "github.com/incognitochain/incognito-chain/privacy/privacy_v1/hybridencryption"10 "github.com/incognitochain/incognito-chain/wallet"11 "github.com/pkg/errors"12 "strconv"13)14// GenerateBLSKeyPairFromSeed generates BLS key pair from seed15func GenerateBLSKeyPairFromSeed(args string) string {16 // convert seed from string to bytes array17 //fmt.Printf("args: %v\n", args)18 seed, _ := base64.StdEncoding.DecodeString(args)19 //fmt.Printf("bls seed: %v\n", seed)20 // generate bls key21 privateKey, publicKey := blsmultisig.KeyGen(seed)22 // append key pair to one bytes array23 keyPairBytes := []byte{}24 keyPairBytes = append(keyPairBytes, common.AddPaddingBigInt(privateKey, common.BigIntSize)...)25 keyPairBytes = append(keyPairBytes, blsmultisig.CmprG2(publicKey)...)26 // base64.StdEncoding.EncodeToString()27 keyPairEncode := base64.StdEncoding.EncodeToString(keyPairBytes)28 return keyPairEncode29}30// args: seed31func GenerateKeyFromSeed(seedB64Encoded string) (string, error) {32 seed, err := base64.StdEncoding.DecodeString(seedB64Encoded)33 if err != nil {34 return "", err35 }36 println("[Go] Seed: ", seed)37 key := privacy.GeneratePrivateKey(seed)38 println("[Go] key: ", key)39 res := base64.StdEncoding.EncodeToString(key)40 println("[Go] res: ", res)41 return res, nil42}43func ScalarMultBase(scalarB64Encode string) (string, error) {44 scalar, err := base64.StdEncoding.DecodeString(scalarB64Encode)45 if err != nil {46 return "", nil47 }48 point := new(privacy.Point).ScalarMultBase(new(privacy.Scalar).FromBytesS(scalar))49 res := base64.StdEncoding.EncodeToString(point.ToBytesS())50 return res, nil51}52func DeriveSerialNumber(args string) (string, error) {53 // parse data54 bytes := []byte(args)55 println("Bytes: %v\n", bytes)56 paramMaps := make(map[string]interface{})57 err := json.Unmarshal(bytes, &paramMaps)58 if err != nil {59 println("Error can not unmarshal data : %v\n", err)60 return "", err61 }62 privateKeyStr, ok := paramMaps["privateKey"].(string)63 if !ok {64 println("Invalid private key")65 return "", errors.New("Invalid private key")66 }67 keyWallet, err := wallet.Base58CheckDeserialize(privateKeyStr)68 if err != nil {69 println("Can not decode private key")70 return "", errors.New("Can not decode private key")71 }72 privateKeyScalar := new(privacy.Scalar).FromBytesS(keyWallet.KeySet.PrivateKey)73 snds, ok := paramMaps["snds"].([]interface{})74 if !ok {75 println("Invalid list of serial number derivator")76 return "", errors.New("Invalid list of serial number derivator")77 }78 sndScalars := make([]*privacy.Scalar, len(snds))79 for i := 0; i < len(snds); i++ {80 tmp, ok := snds[i].(string)81 println("tmp: ", tmp)82 if !ok {83 println("Invalid serial number derivator")84 return "", errors.New("Invalid serial number derivator")85 }86 sndBytes, _, err := base58.Base58Check{}.Decode(tmp)87 println("sndBytes: ", sndBytes)88 if err != nil {89 println("Can not decode serial number derivator")90 return "", errors.New("Can not decode serial number derivator")91 }92 sndScalars[i] = new(privacy.Scalar).FromBytesS(sndBytes)93 }94 // calculate serial number and return result95 serialNumberPoint := make([]*privacy.Point, len(sndScalars))96 serialNumberStr := make([]string, len(serialNumberPoint))97 serialNumberBytes := make([]byte, 0)98 for i := 0; i < len(sndScalars); i++ {99 serialNumberPoint[i] = new(privacy.Point).Derive(privacy.PedCom.G[privacy.PedersenPrivateKeyIndex], privateKeyScalar, sndScalars[i])100 println("serialNumberPoint[i]: ", serialNumberPoint[i])101 serialNumberStr[i] = base58.Base58Check{}.Encode(serialNumberPoint[i].ToBytesS(), 0x00)102 println("serialNumberStr[i]: ", serialNumberStr[i])103 serialNumberBytes = append(serialNumberBytes, serialNumberPoint[i].ToBytesS()...)104 }105 result := base64.StdEncoding.EncodeToString(serialNumberBytes)106 return result, nil107}108func RandomScalars(n string) (string, error) {109 nInt, err := strconv.ParseUint(n, 10, 64)110 println("nInt: ", nInt)111 if err != nil {112 return "", nil113 }114 scalars := make([]byte, 0)115 for i := 0; i < int(nInt); i++ {116 scalars = append(scalars, privacy.RandomScalar().ToBytesS()...)117 }118 res := base64.StdEncoding.EncodeToString(scalars)119 println("res scalars: ", res)120 return res, nil121}122// plaintextB64Encode = base64Encode(public key bytes || msg)123// returns base64Encode(ciphertextBytes)124func HybridEncryptionASM(dataB64Encode string) (string, error) {125 data, err := base64.StdEncoding.DecodeString(dataB64Encode)126 if err != nil {127 return "", nil128 }129 publicKeyBytes := data[0:privacy.Ed25519KeySize]130 publicKeyPoint, err := new(privacy.Point).FromBytesS(publicKeyBytes)131 if err != nil {132 return "", errors.New("Invalid public key encryption")133 }134 msgBytes := data[privacy.Ed25519KeySize:]135 ciphertext, err := hybridencryption.HybridEncrypt(msgBytes, publicKeyPoint)136 if err != nil{137 return "", err138 }139 res := base64.StdEncoding.EncodeToString(ciphertext.Bytes())140 return res, nil141}142// plaintextB64Encode = base64Encode(private key || ciphertext)143// returns base64Encode(plaintextBytes)144func HybridDecryptionASM(dataB64Encode string) (string, error) {145 data, err := base64.StdEncoding.DecodeString(dataB64Encode)146 if err != nil {147 return "", nil148 }149 privateKeyBytes := data[0:privacy.Ed25519KeySize]150 privateKeyScalar := new(privacy.Scalar).FromBytesS(privateKeyBytes)151 ciphertextBytes := data[privacy.Ed25519KeySize:]152 ciphertext := new(privacy.HybridCipherText)153 ciphertext.SetBytes(ciphertextBytes)154 plaintextBytes, err := hybridencryption.HybridDecrypt(ciphertext, privateKeyScalar)155 if err != nil{156 return "", err157 }158 res := base64.StdEncoding.EncodeToString(plaintextBytes)159 return res, nil160}...

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encoding_test.go

Source:encoding_test.go Github

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1/*2 *3 * k6 - a next-generation load testing tool4 * Copyright (C) 2017 Load Impact5 *6 * This program is free software: you can redistribute it and/or modify7 * it under the terms of the GNU Affero General Public License as8 * published by the Free Software Foundation, either version 3 of the9 * License, or (at your option) any later version.10 *11 * This program is distributed in the hope that it will be useful,12 * but WITHOUT ANY WARRANTY; without even the implied warranty of13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the14 * GNU Affero General Public License for more details.15 *16 * You should have received a copy of the GNU Affero General Public License17 * along with this program. If not, see <http://www.gnu.org/licenses/>.18 *19 */20package encoding21import (22 "context"23 "testing"24 "github.com/dop251/goja"25 "github.com/luckybroman5/http-log-reconstructor/k6/js/common"26 "github.com/stretchr/testify/assert"27)28func TestEncodingAlgorithms(t *testing.T) {29 if testing.Short() {30 return31 }32 rt := goja.New()33 rt.SetFieldNameMapper(common.FieldNameMapper{})34 ctx := context.Background()35 ctx = common.WithRuntime(ctx, rt)36 rt.Set("encoding", common.Bind(rt, New(), &ctx))37 t.Run("Base64", func(t *testing.T) {38 t.Run("DefaultEnc", func(t *testing.T) {39 _, err := common.RunString(rt, `40 const correct = "aGVsbG8gd29ybGQ=";41 let encoded = encoding.b64encode("hello world");42 if (encoded !== correct) {43 throw new Error("Encoding mismatch: " + encoded);44 }`)45 assert.NoError(t, err)46 })47 t.Run("DefaultDec", func(t *testing.T) {48 _, err := common.RunString(rt, `49 const correct = "hello world";50 let decoded = encoding.b64decode("aGVsbG8gd29ybGQ=");51 if (decoded !== correct) {52 throw new Error("Decoding mismatch: " + decoded);53 }`)54 assert.NoError(t, err)55 })56 t.Run("DefaultUnicodeEnc", func(t *testing.T) {57 _, err := common.RunString(rt, `58 const correct = "44GT44KT44Gr44Gh44Gv5LiW55WM";59 let encoded = encoding.b64encode("こんにちは世界", "std");60 if (encoded !== correct) {61 throw new Error("Encoding mismatch: " + encoded);62 }`)63 assert.NoError(t, err)64 })65 t.Run("DefaultUnicodeDec", func(t *testing.T) {66 _, err := common.RunString(rt, `67 const correct = "こんにちは世界";68 let decoded = encoding.b64decode("44GT44KT44Gr44Gh44Gv5LiW55WM");69 if (decoded !== correct) {70 throw new Error("Decoding mismatch: " + decoded);71 }`)72 assert.NoError(t, err)73 })74 t.Run("StdEnc", func(t *testing.T) {75 _, err := common.RunString(rt, `76 const correct = "aGVsbG8gd29ybGQ=";77 let encoded = encoding.b64encode("hello world", "std");78 if (encoded !== correct) {79 throw new Error("Encoding mismatch: " + encoded);80 }`)81 assert.NoError(t, err)82 })83 t.Run("StdDec", func(t *testing.T) {84 _, err := common.RunString(rt, `85 const correct = "hello world";86 let decoded = encoding.b64decode("aGVsbG8gd29ybGQ=", "std");87 if (decoded !== correct) {88 throw new Error("Decoding mismatch: " + decoded);89 }`)90 assert.NoError(t, err)91 })92 t.Run("RawStdEnc", func(t *testing.T) {93 _, err := common.RunString(rt, `94 const correct = "aGVsbG8gd29ybGQ";95 let encoded = encoding.b64encode("hello world", "rawstd");96 if (encoded !== correct) {97 throw new Error("Encoding mismatch: " + encoded);98 }`)99 assert.NoError(t, err)100 })101 t.Run("RawStdDec", func(t *testing.T) {102 _, err := common.RunString(rt, `103 const correct = "hello world";104 let decoded = encoding.b64decode("aGVsbG8gd29ybGQ", "rawstd");105 if (decoded !== correct) {106 throw new Error("Decoding mismatch: " + decoded);107 }`)108 assert.NoError(t, err)109 })110 t.Run("URLEnc", func(t *testing.T) {111 _, err := common.RunString(rt, `112 const correct = "5bCP6aO85by-Li4=";113 let encoded = encoding.b64encode("小飼弾..", "url");114 if (encoded !== correct) {115 throw new Error("Encoding mismatch: " + encoded);116 }`)117 assert.NoError(t, err)118 })119 t.Run("URLDec", func(t *testing.T) {120 _, err := common.RunString(rt, `121 const correct = "小飼弾..";122 let decoded = encoding.b64decode("5bCP6aO85by-Li4=", "url");123 if (decoded !== correct) {124 throw new Error("Decoding mismatch: " + decoded);125 }`)126 assert.NoError(t, err)127 })128 t.Run("RawURLEnc", func(t *testing.T) {129 _, err := common.RunString(rt, `130 const correct = "5bCP6aO85by-Li4";131 let encoded = encoding.b64encode("小飼弾..", "rawurl");132 if (encoded !== correct) {133 throw new Error("Encoding mismatch: " + encoded);134 }`)135 assert.NoError(t, err)136 })137 t.Run("RawURLDec", func(t *testing.T) {138 _, err := common.RunString(rt, `139 const correct = "小飼弾..";140 let decoded = encoding.b64decode("5bCP6aO85by-Li4", "rawurl");141 if (decoded !== correct) {142 throw new Error("Decoding mismatch: " + decoded);143 }`)144 assert.NoError(t, err)145 })146 })147}...

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base64.go

Source:base64.go Github

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1/**2 * Go Video Downloader3 *4 * Copyright 2018 Tenta, LLC5 *6 * Licensed under the Apache License, Version 2.0 (the "License");7 * you may not use this file except in compliance with the License.8 * You may obtain a copy of the License at9 *10 * http://www.apache.org/licenses/LICENSE-2.011 *12 * Unless required by applicable law or agreed to in writing, software13 * distributed under the License is distributed on an "AS IS" BASIS,14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.15 * See the License for the specific language governing permissions and16 * limitations under the License.17 *18 * For any questions, please contact developer@tenta.io19 *20 * base64.go: Base64 encoding/decoding methods21 */22package encoding23import (24 "encoding/base64"25 rnt "github.com/tenta-browser/go-video-downloader/runtime"26)27// B64Encode implements python/base64.b64encode (mostly)28var B64Encode = rnt.NewSimpleFunction("b64encode",29 []string{"s", "url"}, func(args []rnt.Object) rnt.Object {30 bytes := args[0].(rnt.Bytes).Value()31 enc := base64.StdEncoding32 if args[1].(rnt.Int).Value() != 0 {33 enc = base64.URLEncoding34 }35 result := make([]byte, enc.EncodedLen(len(bytes)))36 enc.Encode(result, bytes)37 return rnt.NewBytes(result...)38 })39// B64Decode implements python/base64.b64decode (mostly)40var B64Decode = rnt.NewSimpleFunction("b64decode",41 []string{"s", "url"}, func(args []rnt.Object) rnt.Object {42 var bytes []byte43 if args[0].IsInstance(rnt.BytesType) {44 bytes = args[0].(rnt.Bytes).Value()45 } else {46 bytes = []byte(args[0].(rnt.Str).Value())47 }48 enc := base64.StdEncoding49 if args[1].(rnt.Int).Value() != 0 {50 enc = base64.URLEncoding51 }52 result := make([]byte, enc.DecodedLen(len(bytes)))53 n, err := enc.Decode(result, bytes)54 if err != nil {55 panic(rnt.RaiseType(BinasciiErrorType, "Invalid base64 input"))56 }57 return rnt.NewBytes(result[:n]...)58 })...

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b64Encode

Using AI Code Generation

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1import java.util.Base64;2{3 public static void main(String[] args) {4 System.out.println("Hello World");5 String str = "GeeksforGeeks";6 String encodedString = Base64.getEncoder().encodeToString(str.getBytes());7 System.out.println("Encoded String: " + encodedString);8 }9}10import java.util.Base64;11{12 public static void main(String[] args) {13 System.out.println("Hello World");14 String str = "R2Vla3Nmb3JHZWVrcw==";15 byte[] decodedBytes = Base64.getDecoder().decode(str);16 String decodedString = new String(decodedBytes);17 System.out.println("Decoded String: " + decodedString);18 }19}20Java | Base64.Encoder.wrap() method21Java | Base64.Encoder.withoutPadding() method22Java | Base64.Encoder.encodeToString() method23Java | Base64.Encoder.encode() method24Java | Base64.Decoder.wrap() method25Java | Base64.Decoder.decode() method26Java | Base64.Decoder.decode(String) method27Java | Base64.Decoder.decode(byte[]) method28Java | Base64.Decoder.decode(ByteBuffer) method29Java | Base64.Decoder.withoutPadding() method30Java | Base64.Decoder.malformedInputAction() method31Java | Base64.Decoder.unmappableCharacterAction() method32Java | Base64.Decoder.isMappable() method33Java | Base64.Decoder.isLegalReplacement() method34Java | Base64.Decoder.isLegalReplacement(byte[]) method35Java | Base64.Decoder.isLegalReplacement(byte[], int, int) method36Java | Base64.Decoder.isLegalReplacement(ByteBuffer) method37Java | Base64.Decoder.isLegalReplacement(char[]) method38Java | Base64.Decoder.isLegalReplacement(char[], int, int) method

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b64Encode

Using AI Code Generation

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1import (2func main() {3 encodedString := base64.StdEncoding.EncodeToString([]byte("Hello World"))4 fmt.Println(encodedString)5}6import (7func main() {8 decodedString, err := base64.StdEncoding.DecodeString("SGVsbG8gV29ybGQ=")9 if err != nil {10 fmt.Println(err)11 }12 fmt.Println(string(decodedString))13}14import (15func main() {16 encodedString := base64.URLEncoding.EncodeToString([]byte("Hello World"))17 fmt.Println(encodedString)18}19import (20func main() {

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b64Encode

Using AI Code Generation

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1import (2func main() {3 encodedString := base64.StdEncoding.EncodeToString([]byte("Hello World"))4 fmt.Println(encodedString)5 decodedBytes, err := base64.StdEncoding.DecodeString(encodedString)6 if err != nil {7 fmt.Println("Error:", err)8 }9 fmt.Println(string(decodedBytes))10}11import (12func main() {13 encodedString := base64.URLEncoding.EncodeToString([]byte("Hello World"))14 fmt.Println(encodedString)15 decodedBytes, err := base64.URLEncoding.DecodeString(encodedString)16 if err != nil {17 fmt.Println("Error:", err)18 }19 fmt.Println(string(decodedBytes))20}21import (22func main() {23 encodedString := base64.RawURLEncoding.EncodeToString([]byte("Hello World"))24 fmt.Println(encodedString)25 decodedBytes, err := base64.RawURLEncoding.DecodeString(encodedString)26 if err != nil {27 fmt.Println("Error:", err)28 }29 fmt.Println(string(decodedBytes))30}31import (32func main() {33 encodedString := base64.RawStdEncoding.EncodeToString([]byte("Hello World"))34 fmt.Println(encodedString)35 decodedBytes, err := base64.RawStdEncoding.DecodeString(encodedString)36 if err != nil {37 fmt.Println("Error:", err)38 }39 fmt.Println(string(decodedBytes))40}

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b64Encode

Using AI Code Generation

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1import (2func main() {3 encoded := base64.StdEncoding.EncodeToString([]byte("Hello World"))4 fmt.Println(encoded)5 decoded, _ := base64.StdEncoding.DecodeString(encoded)6 fmt.Println(string(decoded))7}8import (9func main() {10 encoded := base64.StdEncoding.EncodeToString([]byte("Hello World"))11 fmt.Println(encoded)12 decoded, _ := base64.StdEncoding.DecodeString(encoded)13 fmt.Println(string(decoded))14}15import (16func main() {17 encoded := base64.StdEncoding.EncodeToString([]byte("Hello World"))18 fmt.Println(encoded)19 decoded, _ := base64.StdEncoding.DecodeString(encoded)20 fmt.Println(string(decoded))21}22import (23func main() {24 encoded := base64.StdEncoding.EncodeToString([]byte("Hello World"))25 fmt.Println(encoded)26 decoded, _ := base64.StdEncoding.DecodeString(encoded)27 fmt.Println(string(decoded))28}29import (30func main() {31 encoded := base64.StdEncoding.EncodeToString([]byte("Hello World"))32 fmt.Println(encoded)33 decoded, _ := base64.StdEncoding.DecodeString(encoded)34 fmt.Println(string(decoded))35}

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b64Encode

Using AI Code Generation

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1import (2func main() {3 encodedString := base64.StdEncoding.EncodeToString([]byte("Hello World"))4 fmt.Println(encodedString)5}6import (7func main() {8 decodedString, _ := base64.StdEncoding.DecodeString("SGVsbG8gV29ybGQ=")9 fmt.Println(string(decodedString))10}11import (12func main() {13 encodedString := base64.StdEncoding.EncodeToString([]byte("Hello World"))14 fmt.Println(encodedString)15}16import (17func main() {18 decodedString, _ := base64.StdEncoding.DecodeString("SGVsbG8gV29ybGQ=")19 fmt.Println(string(decodedString))20}

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