26 lines
		
	
	
		
			586 B
		
	
	
	
		
			Go
		
	
	
			
		
		
	
	
			26 lines
		
	
	
		
			586 B
		
	
	
	
		
			Go
		
	
	
| package digest
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| 
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| import "hash"
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| 
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| // Digester calculates the digest of written data. Writes should go directly
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| // to the return value of Hash, while calling Digest will return the current
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| // value of the digest.
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| type Digester interface {
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| 	Hash() hash.Hash // provides direct access to underlying hash instance.
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| 	Digest() Digest
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| }
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| 
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| // digester provides a simple digester definition that embeds a hasher.
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| type digester struct {
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| 	alg  Algorithm
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| 	hash hash.Hash
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| }
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| 
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| func (d *digester) Hash() hash.Hash {
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| 	return d.hash
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| }
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| 
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| func (d *digester) Digest() Digest {
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| 	return NewDigest(d.alg, d.hash)
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| }
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