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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 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 #ifndef NET_CERT_ASN1_UTIL_H_ | 5 #ifndef NET_CERT_ASN1_UTIL_H_ |
6 #define NET_CERT_ASN1_UTIL_H_ | 6 #define NET_CERT_ASN1_UTIL_H_ |
7 | 7 |
8 #include <vector> | 8 #include <vector> |
9 | 9 |
10 #include "base/strings/string_piece.h" | 10 #include "base/strings/string_piece.h" |
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43 base::StringPiece cert, | 43 base::StringPiece cert, |
44 std::vector<base::StringPiece>* urls_out); | 44 std::vector<base::StringPiece>* urls_out); |
45 | 45 |
46 // HasTLSFeatureExtension parses the DER encoded certificate in |cert| | 46 // HasTLSFeatureExtension parses the DER encoded certificate in |cert| |
47 // and extracts the TLS feature extension | 47 // and extracts the TLS feature extension |
48 // (https://tools.ietf.org/html/rfc7633) if present. Returns true if the | 48 // (https://tools.ietf.org/html/rfc7633) if present. Returns true if the |
49 // TLS feature extension was present, and false if the extension was not | 49 // TLS feature extension was present, and false if the extension was not |
50 // present or if there was a parsing failure. | 50 // present or if there was a parsing failure. |
51 NET_EXPORT_PRIVATE bool HasTLSFeatureExtension(base::StringPiece cert); | 51 NET_EXPORT_PRIVATE bool HasTLSFeatureExtension(base::StringPiece cert); |
52 | 52 |
| 53 // Extracts the two (SEQUENCE) tag-length-values for the signature |
| 54 // AlgorithmIdentifiers in a DER encoded certificate. Does not use strict |
| 55 // parsing or validate the resulting AlgorithmIdentifiers. |
| 56 // |
| 57 // On success returns true, and assigns |cert_signature_algorithm_sequence| and |
| 58 // |tbs_signature_algorithm_sequence| to point into |cert|: |
| 59 // |
| 60 // * |cert_signature_algorithm_sequence| points at the TLV for |
| 61 // Certificate.signatureAlgorithm. |
| 62 // |
| 63 // * |tbs_signature_algorithm_sequence| points at the TLV for |
| 64 // TBSCertificate.algorithm. |
| 65 NET_EXPORT_PRIVATE bool ExtractSignatureAlgorithmsFromDERCert( |
| 66 base::StringPiece cert, |
| 67 base::StringPiece* cert_signature_algorithm_sequence, |
| 68 base::StringPiece* tbs_signature_algorithm_sequence); |
| 69 |
53 } // namespace asn1 | 70 } // namespace asn1 |
54 | 71 |
55 } // namespace net | 72 } // namespace net |
56 | 73 |
57 #endif // NET_CERT_ASN1_UTIL_H_ | 74 #endif // NET_CERT_ASN1_UTIL_H_ |
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