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1 /* | 1 /* |
2 * Copyright (C) 2014 Google Inc. All rights reserved. | 2 * Copyright (C) 2014 Google Inc. All rights reserved. |
3 * | 3 * |
4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
5 * modification, are permitted provided that the following conditions are | 5 * modification, are permitted provided that the following conditions are |
6 * met: | 6 * met: |
7 * | 7 * |
8 * * Redistributions of source code must retain the above copyright | 8 * * Redistributions of source code must retain the above copyright |
9 * notice, this list of conditions and the following disclaimer. | 9 * notice, this list of conditions and the following disclaimer. |
10 * * Redistributions in binary form must reproduce the above | 10 * * Redistributions in binary form must reproduce the above |
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23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | 23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
29 */ | 29 */ |
30 | 30 |
31 #include "public/platform/WebCryptoKeyAlgorithm.h" | 31 #include "public/platform/WebCryptoKeyAlgorithm.h" |
32 | 32 |
33 #include "wtf/PtrUtil.h" | 33 #include "wtf/OwnPtr.h" |
34 #include "wtf/ThreadSafeRefCounted.h" | 34 #include "wtf/ThreadSafeRefCounted.h" |
35 #include <memory> | |
36 | 35 |
37 namespace blink { | 36 namespace blink { |
38 | 37 |
39 // FIXME: Remove the need for this. | 38 // FIXME: Remove the need for this. |
40 WebCryptoAlgorithm createHash(WebCryptoAlgorithmId hash) | 39 WebCryptoAlgorithm createHash(WebCryptoAlgorithmId hash) |
41 { | 40 { |
42 return WebCryptoAlgorithm::adoptParamsAndCreate(hash, 0); | 41 return WebCryptoAlgorithm::adoptParamsAndCreate(hash, 0); |
43 } | 42 } |
44 | 43 |
45 class WebCryptoKeyAlgorithmPrivate : public ThreadSafeRefCounted<WebCryptoKeyAlg
orithmPrivate> { | 44 class WebCryptoKeyAlgorithmPrivate : public ThreadSafeRefCounted<WebCryptoKeyAlg
orithmPrivate> { |
46 public: | 45 public: |
47 WebCryptoKeyAlgorithmPrivate(WebCryptoAlgorithmId id, std::unique_ptr<WebCry
ptoKeyAlgorithmParams> params) | 46 WebCryptoKeyAlgorithmPrivate(WebCryptoAlgorithmId id, PassOwnPtr<WebCryptoKe
yAlgorithmParams> params) |
48 : id(id) | 47 : id(id) |
49 , params(std::move(params)) | 48 , params(std::move(params)) |
50 { | 49 { |
51 } | 50 } |
52 | 51 |
53 WebCryptoAlgorithmId id; | 52 WebCryptoAlgorithmId id; |
54 std::unique_ptr<WebCryptoKeyAlgorithmParams> params; | 53 OwnPtr<WebCryptoKeyAlgorithmParams> params; |
55 }; | 54 }; |
56 | 55 |
57 WebCryptoKeyAlgorithm::WebCryptoKeyAlgorithm(WebCryptoAlgorithmId id, std::uniqu
e_ptr<WebCryptoKeyAlgorithmParams> params) | 56 WebCryptoKeyAlgorithm::WebCryptoKeyAlgorithm(WebCryptoAlgorithmId id, PassOwnPtr
<WebCryptoKeyAlgorithmParams> params) |
58 : m_private(adoptRef(new WebCryptoKeyAlgorithmPrivate(id, std::move(params))
)) | 57 : m_private(adoptRef(new WebCryptoKeyAlgorithmPrivate(id, std::move(params))
)) |
59 { | 58 { |
60 } | 59 } |
61 | 60 |
62 WebCryptoKeyAlgorithm WebCryptoKeyAlgorithm::adoptParamsAndCreate(WebCryptoAlgor
ithmId id, WebCryptoKeyAlgorithmParams* params) | 61 WebCryptoKeyAlgorithm WebCryptoKeyAlgorithm::adoptParamsAndCreate(WebCryptoAlgor
ithmId id, WebCryptoKeyAlgorithmParams* params) |
63 { | 62 { |
64 return WebCryptoKeyAlgorithm(id, wrapUnique(params)); | 63 return WebCryptoKeyAlgorithm(id, adoptPtr(params)); |
65 } | 64 } |
66 | 65 |
67 WebCryptoKeyAlgorithm WebCryptoKeyAlgorithm::createAes(WebCryptoAlgorithmId id,
unsigned short keyLengthBits) | 66 WebCryptoKeyAlgorithm WebCryptoKeyAlgorithm::createAes(WebCryptoAlgorithmId id,
unsigned short keyLengthBits) |
68 { | 67 { |
69 // FIXME: Verify that id is an AES algorithm. | 68 // FIXME: Verify that id is an AES algorithm. |
70 // FIXME: Move this somewhere more general. | 69 // FIXME: Move this somewhere more general. |
71 if (keyLengthBits != 128 && keyLengthBits != 192 && keyLengthBits != 256) | 70 if (keyLengthBits != 128 && keyLengthBits != 192 && keyLengthBits != 256) |
72 return WebCryptoKeyAlgorithm(); | 71 return WebCryptoKeyAlgorithm(); |
73 return WebCryptoKeyAlgorithm(id, wrapUnique(new WebCryptoAesKeyAlgorithmPara
ms(keyLengthBits))); | 72 return WebCryptoKeyAlgorithm(id, adoptPtr(new WebCryptoAesKeyAlgorithmParams
(keyLengthBits))); |
74 } | 73 } |
75 | 74 |
76 WebCryptoKeyAlgorithm WebCryptoKeyAlgorithm::createHmac(WebCryptoAlgorithmId has
h, unsigned keyLengthBits) | 75 WebCryptoKeyAlgorithm WebCryptoKeyAlgorithm::createHmac(WebCryptoAlgorithmId has
h, unsigned keyLengthBits) |
77 { | 76 { |
78 if (!WebCryptoAlgorithm::isHash(hash)) | 77 if (!WebCryptoAlgorithm::isHash(hash)) |
79 return WebCryptoKeyAlgorithm(); | 78 return WebCryptoKeyAlgorithm(); |
80 return WebCryptoKeyAlgorithm(WebCryptoAlgorithmIdHmac, wrapUnique(new WebCry
ptoHmacKeyAlgorithmParams(createHash(hash), keyLengthBits))); | 79 return WebCryptoKeyAlgorithm(WebCryptoAlgorithmIdHmac, adoptPtr(new WebCrypt
oHmacKeyAlgorithmParams(createHash(hash), keyLengthBits))); |
81 } | 80 } |
82 | 81 |
83 WebCryptoKeyAlgorithm WebCryptoKeyAlgorithm::createRsaHashed(WebCryptoAlgorithmI
d id, unsigned modulusLengthBits, const unsigned char* publicExponent, unsigned
publicExponentSize, WebCryptoAlgorithmId hash) | 82 WebCryptoKeyAlgorithm WebCryptoKeyAlgorithm::createRsaHashed(WebCryptoAlgorithmI
d id, unsigned modulusLengthBits, const unsigned char* publicExponent, unsigned
publicExponentSize, WebCryptoAlgorithmId hash) |
84 { | 83 { |
85 // FIXME: Verify that id is an RSA algorithm which expects a hash | 84 // FIXME: Verify that id is an RSA algorithm which expects a hash |
86 if (!WebCryptoAlgorithm::isHash(hash)) | 85 if (!WebCryptoAlgorithm::isHash(hash)) |
87 return WebCryptoKeyAlgorithm(); | 86 return WebCryptoKeyAlgorithm(); |
88 return WebCryptoKeyAlgorithm(id, wrapUnique(new WebCryptoRsaHashedKeyAlgorit
hmParams(modulusLengthBits, publicExponent, publicExponentSize, createHash(hash)
))); | 87 return WebCryptoKeyAlgorithm(id, adoptPtr(new WebCryptoRsaHashedKeyAlgorithm
Params(modulusLengthBits, publicExponent, publicExponentSize, createHash(hash)))
); |
89 } | 88 } |
90 | 89 |
91 WebCryptoKeyAlgorithm WebCryptoKeyAlgorithm::createEc(WebCryptoAlgorithmId id, W
ebCryptoNamedCurve namedCurve) | 90 WebCryptoKeyAlgorithm WebCryptoKeyAlgorithm::createEc(WebCryptoAlgorithmId id, W
ebCryptoNamedCurve namedCurve) |
92 { | 91 { |
93 return WebCryptoKeyAlgorithm(id, wrapUnique(new WebCryptoEcKeyAlgorithmParam
s(namedCurve))); | 92 return WebCryptoKeyAlgorithm(id, adoptPtr(new WebCryptoEcKeyAlgorithmParams(
namedCurve))); |
94 } | 93 } |
95 | 94 |
96 WebCryptoKeyAlgorithm WebCryptoKeyAlgorithm::createWithoutParams(WebCryptoAlgori
thmId id) | 95 WebCryptoKeyAlgorithm WebCryptoKeyAlgorithm::createWithoutParams(WebCryptoAlgori
thmId id) |
97 { | 96 { |
98 if (!WebCryptoAlgorithm::isKdf(id)) | 97 if (!WebCryptoAlgorithm::isKdf(id)) |
99 return WebCryptoKeyAlgorithm(); | 98 return WebCryptoKeyAlgorithm(); |
100 return WebCryptoKeyAlgorithm(id, nullptr); | 99 return WebCryptoKeyAlgorithm(id, nullptr); |
101 } | 100 } |
102 | 101 |
103 bool WebCryptoKeyAlgorithm::isNull() const | 102 bool WebCryptoKeyAlgorithm::isNull() const |
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163 { | 162 { |
164 m_private = other.m_private; | 163 m_private = other.m_private; |
165 } | 164 } |
166 | 165 |
167 void WebCryptoKeyAlgorithm::reset() | 166 void WebCryptoKeyAlgorithm::reset() |
168 { | 167 { |
169 m_private.reset(); | 168 m_private.reset(); |
170 } | 169 } |
171 | 170 |
172 } // namespace blink | 171 } // namespace blink |
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