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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "content/child/webcrypto/openssl/sym_key_openssl.h" | 5 #include "content/child/webcrypto/openssl/sym_key_openssl.h" |
6 | 6 |
7 #include <vector> | 7 #include <vector> |
8 #include <openssl/rand.h> | 8 #include <openssl/rand.h> |
9 | 9 |
10 #include "content/child/webcrypto/crypto_data.h" | 10 #include "content/child/webcrypto/crypto_data.h" |
11 #include "content/child/webcrypto/generate_key_result.h" | 11 #include "content/child/webcrypto/generate_key_result.h" |
12 #include "content/child/webcrypto/openssl/key_openssl.h" | 12 #include "content/child/webcrypto/openssl/key_openssl.h" |
13 #include "content/child/webcrypto/status.h" | 13 #include "content/child/webcrypto/status.h" |
14 #include "content/child/webcrypto/webcrypto_util.h" | 14 #include "content/child/webcrypto/webcrypto_util.h" |
15 #include "crypto/openssl_util.h" | 15 #include "crypto/openssl_util.h" |
16 #include "third_party/WebKit/public/platform/WebCryptoKeyAlgorithm.h" | 16 #include "third_party/WebKit/public/platform/WebCryptoKeyAlgorithm.h" |
17 | 17 |
18 namespace content { | 18 namespace content { |
19 | 19 |
20 namespace webcrypto { | 20 namespace webcrypto { |
21 | 21 |
22 Status GenerateSecretKeyOpenSsl(const blink::WebCryptoKeyAlgorithm& algorithm, | 22 Status GenerateSecretKeyOpenSsl(const blink::WebCryptoKeyAlgorithm& algorithm, |
23 bool extractable, | 23 bool extractable, |
24 blink::WebCryptoKeyUsageMask usages, | 24 blink::WebCryptoKeyUsageMask usages, |
25 unsigned int keylen_bits, | 25 unsigned int keylen_bits, |
26 GenerateKeyResult* result) { | 26 GenerateKeyResult* result) { |
27 crypto::OpenSSLErrStackTracer err_tracer(FROM_HERE); | 27 crypto::OpenSSLErrStackTracer err_tracer(FROM_HERE); |
28 | 28 |
29 if (usages == 0) | |
30 return Status::ErrorCreateKeyEmptyUsages(); | |
31 | |
32 unsigned int keylen_bytes = NumBitsToBytes(keylen_bits); | 29 unsigned int keylen_bytes = NumBitsToBytes(keylen_bits); |
33 std::vector<unsigned char> random_bytes(keylen_bytes, 0); | 30 std::vector<unsigned char> random_bytes(keylen_bytes, 0); |
34 | 31 |
35 if (keylen_bytes > 0) { | 32 if (keylen_bytes > 0) { |
36 if (!(RAND_bytes(&random_bytes[0], keylen_bytes))) | 33 if (!(RAND_bytes(&random_bytes[0], keylen_bytes))) |
37 return Status::OperationError(); | 34 return Status::OperationError(); |
38 TruncateToBitLength(keylen_bits, &random_bytes); | 35 TruncateToBitLength(keylen_bits, &random_bytes); |
39 } | 36 } |
40 | 37 |
41 result->AssignSecretKey(blink::WebCryptoKey::create( | 38 result->AssignSecretKey(blink::WebCryptoKey::create( |
(...skipping 10 matching lines...) Expand all Loading... |
52 blink::WebCryptoKey* key) { | 49 blink::WebCryptoKey* key) { |
53 *key = blink::WebCryptoKey::create(new SymKeyOpenSsl(key_data), | 50 *key = blink::WebCryptoKey::create(new SymKeyOpenSsl(key_data), |
54 blink::WebCryptoKeyTypeSecret, extractable, | 51 blink::WebCryptoKeyTypeSecret, extractable, |
55 algorithm, usages); | 52 algorithm, usages); |
56 return Status::Success(); | 53 return Status::Success(); |
57 } | 54 } |
58 | 55 |
59 } // namespace webcrypto | 56 } // namespace webcrypto |
60 | 57 |
61 } // namespace content | 58 } // namespace content |
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