注意: このページはまだ日本語に翻訳されていません。以下は英語の原文です。 
function encryptKeystoreJsonSync(
   account, 
   password, 
   options?): string
Return the JSON Keystore Wallet for account encrypted with password. The options can be used to tune the password-based key derivation function parameters, explicitly set the random values used. Any provided ProgressCallback is ignored.

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Parameters

ParameterTypeDescription
accountKeystoreAccountThe account to encrypt.
passwordstring | Uint8ArrayThe password to encrypt the JSON data.
options?EncryptOptionsThe options to use when encrypting the JSON data.

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Returns

string The encrypted JSON data.

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Source

wallet/json-keystore.ts:463