• Home
• de.darmstadt.tu.crossing
• JavaCryptographicArchitecture
• 3.1.2
• source code

×

Project download

Many resources are needed to download a project. Please understand that we have to compensate our server costs. Thank you in advance.
Project price only 1 $

You can buy this project and download/modify it how often you want.

tu.crossing.JavaCryptographicArchitecture.3.1.2.source-code.DigestOutputStream.crysl Maven / Gradle / Ivy

SPEC java.security.DigestOutputStream

OBJECTS
	java.io.OutputStream stream;
	java.security.MessageDigest digest;
	byte[] data;
	int offset;
	int len;
	int specifiedByte;

FORBIDDEN
	on(boolean) ;

EVENTS
	c1: DigestOutputStream(stream, digest);
	Con := c1;
	
	r1: write(specifiedByte); 
	r2: write(data, offset, len);
	Write := r1 | r2;

	cl1: close();
	Close := cl1;

ORDER
	Con, Write+, Close
	
CONSTRAINTS
	length[data] >= offset + len;
	offset >= 0;
	len > 0;
	
REQUIRES
	generatedMessageDigest[digest];
	
ENSURES
	digestedOutputStream[stream, digest];