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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 "net/cert/sha256_legacy_support_win.h" | |
6 | |
7 namespace net { | |
8 | |
9 namespace sha256_interception { | |
10 | |
11 bool IsSupportedSubjectType(DWORD subject_type) { | |
12 switch (subject_type) { | |
13 case CRYPT_VERIFY_CERT_SIGN_SUBJECT_BLOB: | |
14 case CRYPT_VERIFY_CERT_SIGN_SUBJECT_CERT: | |
15 case CRYPT_VERIFY_CERT_SIGN_SUBJECT_CRL: | |
16 return true; | |
17 } | |
18 return false; | |
19 } | |
20 | |
21 bool IsSupportedIssuerType(DWORD issuer_type) { | |
22 switch (issuer_type) { | |
23 case CRYPT_VERIFY_CERT_SIGN_ISSUER_PUBKEY: | |
24 case CRYPT_VERIFY_CERT_SIGN_ISSUER_CERT: | |
25 case CRYPT_VERIFY_CERT_SIGN_ISSUER_CHAIN: | |
26 return true; | |
27 } | |
28 return false; | |
29 } | |
30 | |
31 base::StringPiece GetSubjectSignature(DWORD subject_type, | |
32 void* subject_data) { | |
33 switch (subject_type) { | |
34 case CRYPT_VERIFY_CERT_SIGN_SUBJECT_BLOB: { | |
35 CRYPT_DATA_BLOB* data_blob = | |
36 reinterpret_cast<CRYPT_DATA_BLOB*>(subject_data); | |
37 return base::StringPiece(reinterpret_cast<char*>(data_blob->pbData), | |
38 data_blob->cbData); | |
39 } | |
40 case CRYPT_VERIFY_CERT_SIGN_SUBJECT_CERT: { | |
41 PCCERT_CONTEXT subject_cert = | |
42 reinterpret_cast<PCCERT_CONTEXT>(subject_data); | |
43 return base::StringPiece( | |
44 reinterpret_cast<char*>(subject_cert->pbCertEncoded), | |
45 subject_cert->cbCertEncoded); | |
46 } | |
47 case CRYPT_VERIFY_CERT_SIGN_SUBJECT_CRL: { | |
48 PCCRL_CONTEXT subject_crl = | |
49 reinterpret_cast<PCCRL_CONTEXT>(subject_data); | |
50 return base::StringPiece( | |
51 reinterpret_cast<char*>(subject_crl->pbCrlEncoded), | |
52 subject_crl->cbCrlEncoded); | |
53 } | |
54 } | |
55 return base::StringPiece(); | |
56 } | |
57 | |
58 PCERT_PUBLIC_KEY_INFO GetIssuerPublicKey(DWORD issuer_type, | |
59 void* issuer_data) { | |
60 switch (issuer_type) { | |
61 case CRYPT_VERIFY_CERT_SIGN_ISSUER_PUBKEY: | |
62 return reinterpret_cast<PCERT_PUBLIC_KEY_INFO>(issuer_data); | |
63 case CRYPT_VERIFY_CERT_SIGN_ISSUER_CERT: { | |
64 PCCERT_CONTEXT cert = reinterpret_cast<PCCERT_CONTEXT>(issuer_data); | |
65 return &cert->pCertInfo->SubjectPublicKeyInfo; | |
66 } | |
67 case CRYPT_VERIFY_CERT_SIGN_ISSUER_CHAIN: { | |
68 PCCERT_CHAIN_CONTEXT chain = | |
69 reinterpret_cast<PCCERT_CHAIN_CONTEXT>(issuer_data); | |
70 PCCERT_CONTEXT cert = chain->rgpChain[0]->rgpElement[0]->pCertContext; | |
71 return &cert->pCertInfo->SubjectPublicKeyInfo; | |
72 } | |
73 } | |
74 return NULL; | |
75 } | |
76 | |
77 } // namespace sha256_interception | |
78 | |
79 } // namespace net | |
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