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