Object Digest

Information summary object

Inheritance

Member attributes

size

Integer, query the number of digest bytes of the current information digest algorithm

1
readonly Integer Digest.size;

Member function

update

Update binary summary information

1
Digest Digest.update(Buffer data);

Call parameters:

• data : Buffer , binary data block

Return result:

• Digest , returns the information digest object itself

digest

Calculate and return summary

1
Value Digest.digest(String codec = "buffer");

Call parameters:

• codec : String, specify the encoding format, allowed values ​​are: "buffer", " hex ", " base64 ", "utf8", or the character set supported by the system

Return result:

• Value , returns the summary representation of the specified encoding

toString

Returns the string representation of the object, generally returns "[Native Object]", the object can be re-implemented according to its own characteristics

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String Digest.toString();

Return result:

• String , returns the string representation of the object

toJSON

Returns the JSON format representation of the object, generally returns a collection of readable attributes defined by the object

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Value Digest.toJSON(String key = "");

Call parameters:

• key : String, unused

Return result:

• Value , returns a value containing JSON serializable