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1 // Copyright 2014 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4 
5 #include "content/child/webcrypto/openssl/sym_key_openssl.h"
6 
7 #include <vector>
8 #include <openssl/rand.h>
9 
10 #include "content/child/webcrypto/crypto_data.h"
11 #include "content/child/webcrypto/openssl/key_openssl.h"
12 #include "content/child/webcrypto/status.h"
13 #include "crypto/openssl_util.h"
14 #include "third_party/WebKit/public/platform/WebCryptoKeyAlgorithm.h"
15 
16 namespace content {
17 
18 namespace webcrypto {
19 
GenerateSecretKeyOpenSsl(const blink::WebCryptoKeyAlgorithm & algorithm,bool extractable,blink::WebCryptoKeyUsageMask usage_mask,unsigned keylen_bytes,blink::WebCryptoKey * key)20 Status GenerateSecretKeyOpenSsl(const blink::WebCryptoKeyAlgorithm& algorithm,
21                                 bool extractable,
22                                 blink::WebCryptoKeyUsageMask usage_mask,
23                                 unsigned keylen_bytes,
24                                 blink::WebCryptoKey* key) {
25   crypto::OpenSSLErrStackTracer err_tracer(FROM_HERE);
26 
27   std::vector<unsigned char> random_bytes(keylen_bytes, 0);
28 
29   if (keylen_bytes > 0) {
30     if (!(RAND_bytes(&random_bytes[0], keylen_bytes)))
31       return Status::OperationError();
32   }
33 
34   *key =
35       blink::WebCryptoKey::create(new SymKeyOpenSsl(CryptoData(random_bytes)),
36                                   blink::WebCryptoKeyTypeSecret,
37                                   extractable,
38                                   algorithm,
39                                   usage_mask);
40   return Status::Success();
41 }
42 
ImportKeyRawOpenSsl(const CryptoData & key_data,const blink::WebCryptoKeyAlgorithm & algorithm,bool extractable,blink::WebCryptoKeyUsageMask usage_mask,blink::WebCryptoKey * key)43 Status ImportKeyRawOpenSsl(const CryptoData& key_data,
44                            const blink::WebCryptoKeyAlgorithm& algorithm,
45                            bool extractable,
46                            blink::WebCryptoKeyUsageMask usage_mask,
47                            blink::WebCryptoKey* key) {
48   *key = blink::WebCryptoKey::create(new SymKeyOpenSsl(key_data),
49                                      blink::WebCryptoKeyTypeSecret,
50                                      extractable,
51                                      algorithm,
52                                      usage_mask);
53   return Status::Success();
54 }
55 
56 }  // namespace webcrypto
57 
58 }  // namespace content
59