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1 // Copyright 2015 The Chromium Authors. All rights reserved. | 1 // Copyright 2015 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 "components/webcrypto/algorithms/secret_key_util.h" | 5 #include "components/webcrypto/algorithms/secret_key_util.h" |
6 | 6 |
7 #include <openssl/rand.h> | 7 #include <openssl/rand.h> |
8 | 8 |
9 #include "base/stl_util.h" | |
10 #include "components/webcrypto/algorithms/util.h" | 9 #include "components/webcrypto/algorithms/util.h" |
11 #include "components/webcrypto/blink_key_handle.h" | 10 #include "components/webcrypto/blink_key_handle.h" |
12 #include "components/webcrypto/crypto_data.h" | 11 #include "components/webcrypto/crypto_data.h" |
13 #include "components/webcrypto/generate_key_result.h" | 12 #include "components/webcrypto/generate_key_result.h" |
14 #include "components/webcrypto/jwk.h" | 13 #include "components/webcrypto/jwk.h" |
15 #include "components/webcrypto/status.h" | 14 #include "components/webcrypto/status.h" |
16 #include "crypto/openssl_util.h" | 15 #include "crypto/openssl_util.h" |
17 | 16 |
18 namespace webcrypto { | 17 namespace webcrypto { |
19 | 18 |
20 Status GenerateWebCryptoSecretKey(const blink::WebCryptoKeyAlgorithm& algorithm, | 19 Status GenerateWebCryptoSecretKey(const blink::WebCryptoKeyAlgorithm& algorithm, |
21 bool extractable, | 20 bool extractable, |
22 blink::WebCryptoKeyUsageMask usages, | 21 blink::WebCryptoKeyUsageMask usages, |
23 unsigned int keylen_bits, | 22 unsigned int keylen_bits, |
24 GenerateKeyResult* result) { | 23 GenerateKeyResult* result) { |
25 crypto::OpenSSLErrStackTracer err_tracer(FROM_HERE); | 24 crypto::OpenSSLErrStackTracer err_tracer(FROM_HERE); |
26 | 25 |
27 unsigned int keylen_bytes = NumBitsToBytes(keylen_bits); | 26 unsigned int keylen_bytes = NumBitsToBytes(keylen_bits); |
28 std::vector<unsigned char> random_bytes(keylen_bytes, 0); | 27 std::vector<uint8_t> random_bytes(keylen_bytes, 0); |
29 | 28 |
30 if (keylen_bytes > 0) { | 29 if (keylen_bytes > 0) { |
31 if (!RAND_bytes(vector_as_array(&random_bytes), keylen_bytes)) | 30 if (!RAND_bytes(random_bytes.data(), keylen_bytes)) |
32 return Status::OperationError(); | 31 return Status::OperationError(); |
33 TruncateToBitLength(keylen_bits, &random_bytes); | 32 TruncateToBitLength(keylen_bits, &random_bytes); |
34 } | 33 } |
35 | 34 |
36 result->AssignSecretKey(blink::WebCryptoKey::create( | 35 result->AssignSecretKey(blink::WebCryptoKey::create( |
37 CreateSymmetricKeyHandle(CryptoData(random_bytes)), | 36 CreateSymmetricKeyHandle(CryptoData(random_bytes)), |
38 blink::WebCryptoKeyTypeSecret, extractable, algorithm, usages)); | 37 blink::WebCryptoKeyTypeSecret, extractable, algorithm, usages)); |
39 | 38 |
40 return Status::Success(); | 39 return Status::Success(); |
41 } | 40 } |
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82 std::string jwk_k_value; | 81 std::string jwk_k_value; |
83 status = jwk->GetBytes("k", &jwk_k_value); | 82 status = jwk->GetBytes("k", &jwk_k_value); |
84 if (status.IsError()) | 83 if (status.IsError()) |
85 return status; | 84 return status; |
86 raw_key_data->assign(jwk_k_value.begin(), jwk_k_value.end()); | 85 raw_key_data->assign(jwk_k_value.begin(), jwk_k_value.end()); |
87 | 86 |
88 return Status::Success(); | 87 return Status::Success(); |
89 } | 88 } |
90 | 89 |
91 } // namespace webcrypto | 90 } // namespace webcrypto |
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