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package scrypt
import (
"math"
)
const (
// EncodingFmt is the format of the encoded digest.
EncodingFmt = "$%s$ln=%d,r=%d,p=%d$%s$%s"
// EncodingFmtYescrypt is the format of the encoded digest.
EncodingFmtYescrypt = "$%s$%s$%s$%s"
// AlgName is the name for this algorithm.
AlgName = "scrypt"
// AlgNameYescrypt is the name for this algorithm's yescrypt variant.
AlgNameYescrypt = "yescrypt"
// KeyLengthMin is the minimum key length accepted.
KeyLengthMin = 1
// SaltLengthMin is the minimum salt length accepted.
SaltLengthMin = 8
// SaltLengthMax is the maximum salt length accepted.
SaltLengthMax = 1024
// IterationsMin is the minimum number of iterations accepted.
IterationsMin = 1
// IterationsMax is the maximum number of iterations accepted.
IterationsMax = 58
// IterationsDefault is the default number of iterations.
IterationsDefault = 16
// BlockSizeMin is the minimum block size accepted.
BlockSizeMin = 1
// BlockSizeMax is the maximum block size accepted.
BlockSizeMax = math.MaxInt / 256
// BlockSizeDefault is the default block size.
BlockSizeDefault = 8
// ParallelismMin is the minimum parallelism factor accepted.
ParallelismMin = 1
// ParallelismMax is the maximum parallelism factor accepted.
//
// Equation is based on the following text from RFC:
//
// The parallelization parameter p
// ("parallelizationParameter") is a positive integer less than or equal
// to ((2^32-1) * 32) / (128 * r).
//
// When r has a minimum of 1, this makes the equation ((2^32-1) * 32) / 128.
ParallelismMax = 1073741823
// ParallelismDefault is the default parallelism factor.
ParallelismDefault = ParallelismMin
)
const (
AlgIdentifier = AlgName
AlgIdentifierYescrypt = "y"
)
const (
oP = "p"
oR = "r"
oLN = "ln"
variantDefault = VariantScrypt
)
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