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Optimizing crypto/ed25519.go #21

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merged 7 commits into from
Feb 23, 2023
Merged

Optimizing crypto/ed25519.go #21

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1efc3d3
Optimizing `crypto/ed25519.go`
rafael-abuawad Feb 23, 2023
a1826ab
Cleaning up after comments
rafael-abuawad Feb 23, 2023
16d2e6a
Reverting back the changes
rafael-abuawad Feb 23, 2023
93e59a3
Added new constant, and fixing naming convention
rafael-abuawad Feb 23, 2023
6a43c9a
Updating `PrivateKeySeedSize` to `...Len`
rafael-abuawad Feb 23, 2023
de42dcf
Using `Len` instead of `Size`
rafael-abuawad Feb 23, 2023
389ee32
Adding `PrivateKeySeedLen`
rafael-abuawad Feb 23, 2023
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14 changes: 8 additions & 6 deletions crypto/ed25519.go
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Original file line number Diff line number Diff line change
Expand Up @@ -21,9 +21,11 @@ type (
)

const (
PublicKeyLen = ed25519.PublicKeySize
PrivateKeyLen = ed25519.PrivateKeySize
SignatureLen = ed25519.SignatureSize
PublicKeyCompressedLen = 33
PublicKeyLen = ed25519.PublicKeySize
PrivateKeyLen = ed25519.PrivateKeySize
PrivateKeySeedLen = ed25519.SeedSize
SignatureLen = ed25519.SignatureSize
)

var (
Expand Down Expand Up @@ -51,11 +53,11 @@ func ParseAddress(hrp, saddr string) (PublicKey, error) {
if phrp != hrp {
return EmptyPublicKey, ErrIncorrectHrp
}
if len(paddr) != 33 /* compressed public key size */ {
if len(paddr) != PublicKeyCompressedLen {
return EmptyPublicKey, ErrInvalidPublicKey
}
var p PublicKey
copy(p[:], paddr[:32])
copy(p[:], paddr[:PublicKeyLen])
return p, nil
}

Expand All @@ -74,7 +76,7 @@ func GeneratePrivateKey() (PrivateKey, error) {
// PublicKey returns a PublicKey associated with the Ed25519 PrivateKey p.
// The PublicKey is the last 32 bytes of p.
func (p PrivateKey) PublicKey() PublicKey {
rpk := p[32:] // privateKey == private|public
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Put PrivateKeySeedLen here ^^

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Thank you!

rpk := p[PublicKeyLen:] // privateKey == private|public
var pk PublicKey
copy(pk[:], rpk)
return pk
Expand Down