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uni.BouncyCastle-JCA.3.1.1.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];