Research Article
Distributed Blockchain-Based Authentication and Authorization Protocol for Smart Grid
Input | OutputTrue or False | 1: contractAddress = loadAuthenticationAddr(); | 2: auth = Authentication.load (contractAddress); | 3: result = auth.select(accountId); | 4: ifthen | 5: Verify the validity of the account data on the blockchain | 6: String tmpPublicKey = result. getValue2(); | 7: String UserInfo = result. getValue3(); | 8: String tmpsigdata = result. getValue4(); | 9: Get cryptographic suite cSuite = new CryptoSuite (CryptoType.ECDSATYPE); | 10: String tmpdata = + + | 11: String hashData = | 12: Boolean nVer = | 13: ifthen | 14: Generate a token to be signed by the user | 15: Long timeStamp = System.currentTimeMillis(); | 16: = + + ; | 17: = | 18: Verify the validity of token data | 19: ifthen | 20: | 21: | 22: ifthen | 23: returnTrue | 24: end if | 25: end if | 26: end if | 27: end if | 28: returnFalse |
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