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argon2_params.go
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/
argon2_params.go
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package hashing
import "github.com/trino-network/pay-srv/internal/util"
var (
// DefaultArgon2Params represents Argon2ID parameter recommendations in accordance with:
// https://pkg.go.dev/golang.org/x/crypto@v0.0.0-20200420201142-3c4aac89819a/argon2?tab=doc#IDKey @ 2020-04-22T11:23:38Z
DefaultArgon2Params = &Argon2Params{
Time: 1, // 1 second
Memory: 64 * 1024, // ~64MB memory costs
Threads: 4, // 4 threads
KeyLength: 32, // 256 bit key length
SaltLength: 16, // 126 bit salt length
}
)
type Argon2Params struct {
Time uint32
Memory uint32
Threads uint8
KeyLength uint32
SaltLength uint32
}
func DefaultArgon2ParamsFromEnv() *Argon2Params {
p := &Argon2Params{
Time: util.GetEnvAsUint32("AUTH_HASHING_ARGON2_TIME", DefaultArgon2Params.Time),
Memory: util.GetEnvAsUint32("AUTH_HASHING_ARGON2_MEMORY", DefaultArgon2Params.Memory),
Threads: util.GetEnvAsUint8("AUTH_HASHING_ARGON2_THREADS", DefaultArgon2Params.Threads),
KeyLength: util.GetEnvAsUint32("AUTH_HASHING_ARGON2_KEY_LENGTH", DefaultArgon2Params.KeyLength),
SaltLength: util.GetEnvAsUint32("AUTH_HASHING_ARGON2_SALT_LENGTH", DefaultArgon2Params.SaltLength),
}
return p
}