EURASIP Journal on Information Security

Table 3 Text length required to embed a watermark

From: Fine-grain watermarking for intellectual property protection

	SipHash (64 bits)	MD5 (128 bits)	SHA-1 (160 bits)	SHA-2 (224 bits)
Spaces	22	43	54	75
1-char words	33	65	81	113
NYT MIN	46	93	116	163
NYT AVG	101.3	197.7	246.5	344

Minimum text length for length-preserving watermarking on SipHash and other well-known cryptographic hash functions

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