Revert 108866 - crypto: add simple P224 implementation.

This is intended to be the underlying group for an EKE implementation for
Remoting.

BUG=none
TEST=crypto_unittests

Review URL: http://codereview.chromium.org/8431007

TBR=agl@chromium.org
Review URL: http://codereview.chromium.org/8467016

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@108869 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 0 insertions, 56 deletions

diff --git a/crypto/p224.h b/crypto/p224.h
deleted file mode 100644
index 58dc0f1..0000000
--- a/crypto/p224.h
+++ /dev/null
@@ -1,56 +0,0 @@
-// Copyright (c) 2011 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#ifndef CRYPTO_P224_H_
-#define CRYPTO_P224_H_
-#pragma once
-
-#include <string>
-
-#include "base/basictypes.h"
-#include "base/string_piece.h"
-
-namespace crypto {
-
-// P224 implements an elliptic curve group, commonly known as P224 and defined
-// in FIPS 186-3, section D.2.2.
-namespace p224 {
-
-// An element of the field (ℤ/pℤ) is represented with 8, 28-bit limbs in
-// little endian order.
-typedef uint32 FieldElement[8];
-
-struct Point {
-  // SetFromString the value of the point from the 56 byte, external
-  // representation. The external point representation is an (x, y) pair of a
-  // point on the curve. Each field element is represented as a big-endian
-  // number < p.
-  bool SetFromString(const base::StringPiece& in);
-
-  // ToString returns an external representation of the Point.
-  std::string ToString() const;
-
-  // An Point is represented in Jacobian form (x/z², y/z³).
-  FieldElement x, y, z;
-};
-
-// ScalarMult computes *out = in*scalar where scalar is a 28-byte, big-endian
-// number.
-void ScalarMult(const Point& in, const uint8* scalar, Point* out);
-
-// ScalarBaseMult computes *out = g*scalar where g is the base point of the
-// curve and scalar is a 28-byte, big-endian number.
-void ScalarBaseMult(const uint8* scalar, Point* out);
-
-// Add computes *out = a+b.
-void Add(const Point& a, const Point& b, Point* out);
-
-// Negate calculates out = -a;
-void Negate(const Point& a, Point* out);
-
-}  // namespace p224
-
-}  // namespace crypto
-
-#endif  // CRYPTO_P224_H_