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crypto/elliptic: call IsOnCurve via the interface.

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https://go-review.googlesource.com/#/c/2421/ contains an unfortunate
slip where IsOnCurve is called on the CurveParams rather than the curve.
This doesn't really matter, but it's a pain for people doing tricks with
crypto/elliptic and means that 1.5 would be a regression for them
without this change.

See https://groups.google.com/forum/#!topic/golang-dev/i8OPUTYctOk

Change-Id: Ifa5f25f9a95d7484cb53d4883cfd78dc58a0f9a7
Reviewed-on: https://go-review.googlesource.com/12506
Reviewed-by: Russ Cox <rsc@golang.org>
This commit is contained in:
Adam Langley 2015-07-22 09:31:29 -07:00 committed by Russ Cox
parent a502fb2182
commit bad52b352a
1 changed files with 1 additions and 1 deletions
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2
src/crypto/elliptic/elliptic.go
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@ -320,7 +320,7 @@ func Unmarshal(curve Curve, data []byte) (x, y *big.Int) {
} }
x = new(big.Int).SetBytes(data[1 : 1+byteLen]) x = new(big.Int).SetBytes(data[1 : 1+byteLen])
y = new(big.Int).SetBytes(data[1+byteLen:]) y = new(big.Int).SetBytes(data[1+byteLen:])
if !curve.Params().IsOnCurve(x, y) { if !curve.IsOnCurve(x, y) {
x, y = nil, nil x, y = nil, nil
} }
return return