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[lib.scha] cleanup

This commit is contained in:
xdrm-brackets 2018-04-22 01:12:58 +02:00
parent 544ee489a4
commit 046fed121a
1 changed files with 9 additions and 15 deletions
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24
src/git.xdrm.io/schastsp/lib/scha/hash.go
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@ -9,8 +9,8 @@ import (
/* (0) Static
---------------------------------------------------------*/
/* (1) Constants */
const HBITSIZE uint32 = 512;
const HSIZE uint16 = uint16(HBITSIZE / 8);
const HSIZE uint16 = sha512.Size;
const HBITSIZE uint32 = uint32(HSIZE) * 8;
@ -27,14 +27,15 @@ func hash(input []byte) []byte{
/* (1) Create sha512 hasher */
hasher := sha512.New();
/* (2) Set input to be hashed */
/* (2) Defer memory cleanup */
defer hasher.Reset();
/* (3) Set input to be hashed */
hasher.Write(input);
/* (3) Extract digest */
/* (4) Extract digest */
return hasher.Sum(nil);
// digest := base64.StdEncoding.EncodeToString(container)
// fmt.Println(digest)
}
@ -70,24 +71,17 @@ func Hash(input []byte, depth uint, salt []byte, pepper []byte) ([]byte, error)
/* (2) Process first hash + salt */
digest = hash( xor.ByteArray(input, salt) )
if depth > 0 { depth-- }
/* (3) Iterate @depth times */
for depth > 0 {
for depth--; depth > 0; depth-- {
// 1. Add Pepper for last time
// Add Pepper only for last time
if( depth == 1 ){
digest = hash( xor.ByteArray(digest, pepper) )
// 2. Else only hash
} else {
digest = hash(digest)
}
depth--;
}
return digest, nil