4 examples of 'md4 decrypt' in JavaScript

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71function decryptAES(msg, c, iv) {
72 var opts = {
73 mode: CryptoJS.mode.CTR,
74 iv: correctIvLength(iv),
75 padding: CryptoJS.pad.NoPadding
76 };
77 var aesctr = CryptoJS.AES.decrypt(
78 msg,
79 c,
80 opts
81 );
82 return aesctr;
83}
53function decrypt(ciphertextAndNonce, key) {
54 // Create buffers of nonce, ciphertext and tag.
55 let nonce = ciphertextAndNonce.slice(0, ALGORITHM_NONCE_SIZE);
56 let ciphertext = ciphertextAndNonce.slice(ALGORITHM_NONCE_SIZE, ciphertextAndNonce.length - ALGORITHM_TAG_SIZE);
57 let tag = ciphertextAndNonce.slice(ciphertext.length + ALGORITHM_NONCE_SIZE);
58
59 // Create the cipher instance.
60 let cipher = crypto.createDecipheriv(ALGORITHM_NAME, key, nonce);
61
62 // Decrypt and return result.
63 cipher.setAuthTag(tag);
64 return Buffer.concat([ cipher.update(ciphertext), cipher.final() ]);
65}
153return function decrypt(_x6, _x7, _x8) {
154 return _ref2.apply(this, arguments);
155};
152function aesDecrypt(ivCiphertext, myPrivateKey, theirPublicKey, nonce) {
153 if (ivCiphertext.length < 16 || ivCiphertext.length % 16 != 0) {
154 throw {
155 name: "invalid ciphertext"
156 };
157 }
158 var iv = converters.byteArrayToWordArray(ivCiphertext.slice(0, 16));
159 var ciphertext = converters.byteArrayToWordArray(ivCiphertext.slice(16));
160 var sharedKey = getSharedKey(myPrivateKey, theirPublicKey);
161 for (var i = 0; i < 32; i++) {
162 sharedKey[i] ^= nonce[i];
163 }
164 var key = CryptoJS.SHA256(converters.byteArrayToWordArray(sharedKey));
165 var encrypted = CryptoJS.lib.CipherParams.create({
166 ciphertext: ciphertext,
167 iv: iv,
168 key: key
169 });
170 var decrypted = CryptoJS.AES.decrypt(encrypted, key, {
171 iv: iv
172 });
173 var plaintext = converters.wordArrayToByteArray(decrypted);
174
175 return plaintext;
176}

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