How to use b64Encode method of encoding Package

Best K6 code snippet using encoding.b64Encode

utils.go

Source:utils.go

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}...

encoding_test.go

Source:encoding_test.go

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("ããã«ã¡ã¯ä¸ç", "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 = "ããã«ã¡ã¯ä¸ç";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("å°é£¼å¼¾..", "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 = "å°é£¼å¼¾..";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("å°é£¼å¼¾..", "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 = "å°é£¼å¼¾..";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}...

base64.go

Source:base64.go

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	})...

b64Encode

Using AI Code Generation

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

b64Encode

Using AI Code Generation

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() {

b64Encode

Using AI Code Generation

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}

b64Encode

Using AI Code Generation

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}

b64Encode

Using AI Code Generation

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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