html_viewer: Move webcrypto to a place where html_viewer can use it.

content/child/webcrypto/openssl/rsa_oaep_openssl.cc

Index: content/child/webcrypto/openssl/rsa_oaep_openssl.cc
diff --git a/content/child/webcrypto/openssl/rsa_oaep_openssl.cc b/content/child/webcrypto/openssl/rsa_oaep_openssl.cc
deleted file mode 100644
index c5c60249cc65ee60cdac124eed37c3e358a4081b..0000000000000000000000000000000000000000
--- a/content/child/webcrypto/openssl/rsa_oaep_openssl.cc
+++ /dev/null
@@ -1,150 +0,0 @@
-// Copyright 2014 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.
-
-#include <openssl/evp.h>
-
-#include "base/stl_util.h"
-#include "content/child/webcrypto/crypto_data.h"
-#include "content/child/webcrypto/openssl/key_openssl.h"
-#include "content/child/webcrypto/openssl/rsa_hashed_algorithm_openssl.h"
-#include "content/child/webcrypto/openssl/util_openssl.h"
-#include "content/child/webcrypto/status.h"
-#include "crypto/openssl_util.h"
-#include "crypto/scoped_openssl_types.h"
-#include "third_party/WebKit/public/platform/WebCryptoAlgorithmParams.h"
-#include "third_party/WebKit/public/platform/WebCryptoKeyAlgorithm.h"
-
-namespace content {
-
-namespace webcrypto {
-
-namespace {
-
-typedef int (*InitFunc)(EVP_PKEY_CTX* ctx);
-typedef int (*EncryptDecryptFunc)(EVP_PKEY_CTX* ctx,
-                                  unsigned char* out,
-                                  size_t* outlen,
-                                  const unsigned char* in,
-                                  size_t inlen);
-
-// Helper for doing either RSA-OAEP encryption or decryption.
-//
-// To encrypt call with:
-//   init_func=EVP_PKEY_encrypt_init, encrypt_decrypt_func=EVP_PKEY_encrypt
-//
-// To decrypt call with:
-//   init_func=EVP_PKEY_decrypt_init, encrypt_decrypt_func=EVP_PKEY_decrypt
-Status CommonEncryptDecrypt(InitFunc init_func,
-                            EncryptDecryptFunc encrypt_decrypt_func,
-                            const blink::WebCryptoAlgorithm& algorithm,
-                            const blink::WebCryptoKey& key,
-                            const CryptoData& data,
-                            std::vector<uint8_t>* buffer) {
-  crypto::OpenSSLErrStackTracer err_tracer(FROM_HERE);
-
-  EVP_PKEY* pkey = AsymKeyOpenSsl::Cast(key)->key();
-  const EVP_MD* digest =
-      GetDigest(key.algorithm().rsaHashedParams()->hash().id());
-  if (!digest)
-    return Status::ErrorUnsupported();
-
-  crypto::ScopedEVP_PKEY_CTX ctx(EVP_PKEY_CTX_new(pkey, NULL));
-
-  if (!init_func(ctx.get()) ||
-      1 != EVP_PKEY_CTX_set_rsa_padding(ctx.get(), RSA_PKCS1_OAEP_PADDING) ||
-      1 != EVP_PKEY_CTX_set_rsa_oaep_md(ctx.get(), digest) ||
-      1 != EVP_PKEY_CTX_set_rsa_mgf1_md(ctx.get(), digest)) {
-    return Status::OperationError();
-  }
-
-  const blink::WebVector<uint8_t>& label =
-      algorithm.rsaOaepParams()->optionalLabel();
-
-  if (label.size()) {
-    // Make a copy of the label, since the ctx takes ownership of it when
-    // calling set0_rsa_oaep_label().
-    crypto::ScopedOpenSSLBytes label_copy;
-    label_copy.reset(static_cast<uint8_t*>(OPENSSL_malloc(label.size())));
-    memcpy(label_copy.get(), label.data(), label.size());
-
-    if (1 != EVP_PKEY_CTX_set0_rsa_oaep_label(ctx.get(), label_copy.release(),
-                                              label.size())) {
-      return Status::OperationError();
-    }
-  }
-
-  // Determine the maximum length of the output.
-  size_t outlen = 0;
-  if (!encrypt_decrypt_func(ctx.get(), NULL, &outlen, data.bytes(),
-                            data.byte_length())) {
-    return Status::OperationError();
-  }
-  buffer->resize(outlen);
-
-  // Do the actual encryption/decryption.
-  if (!encrypt_decrypt_func(ctx.get(), vector_as_array(buffer), &outlen,
-                            data.bytes(), data.byte_length())) {
-    return Status::OperationError();
-  }
-  buffer->resize(outlen);
-
-  return Status::Success();
-}
-
-class RsaOaepImplementation : public RsaHashedAlgorithm {
- public:
-  RsaOaepImplementation()
-      : RsaHashedAlgorithm(
-            blink::WebCryptoKeyUsageEncrypt | blink::WebCryptoKeyUsageWrapKey,
-            blink::WebCryptoKeyUsageDecrypt |
-                blink::WebCryptoKeyUsageUnwrapKey) {}
-
-  const char* GetJwkAlgorithm(
-      const blink::WebCryptoAlgorithmId hash) const override {
-    switch (hash) {
-      case blink::WebCryptoAlgorithmIdSha1:
-        return "RSA-OAEP";
-      case blink::WebCryptoAlgorithmIdSha256:
-        return "RSA-OAEP-256";
-      case blink::WebCryptoAlgorithmIdSha384:
-        return "RSA-OAEP-384";
-      case blink::WebCryptoAlgorithmIdSha512:
-        return "RSA-OAEP-512";
-      default:
-        return NULL;
-    }
-  }
-
-  Status Encrypt(const blink::WebCryptoAlgorithm& algorithm,
-                 const blink::WebCryptoKey& key,
-                 const CryptoData& data,
-                 std::vector<uint8_t>* buffer) const override {
-    if (key.type() != blink::WebCryptoKeyTypePublic)
-      return Status::ErrorUnexpectedKeyType();
-
-    return CommonEncryptDecrypt(EVP_PKEY_encrypt_init, EVP_PKEY_encrypt,
-                                algorithm, key, data, buffer);
-  }
-
-  Status Decrypt(const blink::WebCryptoAlgorithm& algorithm,
-                 const blink::WebCryptoKey& key,
-                 const CryptoData& data,
-                 std::vector<uint8_t>* buffer) const override {
-    if (key.type() != blink::WebCryptoKeyTypePrivate)
-      return Status::ErrorUnexpectedKeyType();
-
-    return CommonEncryptDecrypt(EVP_PKEY_decrypt_init, EVP_PKEY_decrypt,
-                                algorithm, key, data, buffer);
-  }
-};
-
-}  // namespace
-
-AlgorithmImplementation* CreatePlatformRsaOaepImplementation() {
-  return new RsaOaepImplementation;
-}
-
-}  // namespace webcrypto
-
-}  // namespace content