Index: net/base/x509_certificate_win.cc |
=================================================================== |
--- net/base/x509_certificate_win.cc (revision 114571) |
+++ net/base/x509_certificate_win.cc (working copy) |
@@ -1171,4 +1171,40 @@ |
length); |
} |
+// static |
+void X509Certificate::GetPublicKeyInfo(OSCertHandle cert_handle, |
+ size_t* size_bits, |
+ PublicKeyType* type) { |
+ PCCRYPT_OID_INFO oid_info = CryptFindOIDInfo( |
+ CRYPT_OID_INFO_OID_KEY, |
+ cert_handle->pCertInfo->SubjectPublicKeyInfo.Algorithm.pszObjId, |
+ CRYPT_PUBKEY_ALG_OID_GROUP_ID); |
+ PCHECK(oid_info); |
+ CHECK(oid_info->dwGroupId == CRYPT_PUBKEY_ALG_OID_GROUP_ID); |
+ |
+ *size_bits = CertGetPublicKeyLength( |
+ X509_ASN_ENCODING | PKCS_7_ASN_ENCODING, |
+ &cert_handle->pCertInfo->SubjectPublicKeyInfo); |
+ |
+ switch (oid_info->Algid) { |
+ case CALG_RSA_SIGN: |
+ case CALG_RSA_KEYX: |
+ *type = kPublicKeyTypeRSA; |
+ break; |
+ case CALG_DSS_SIGN: |
+ *type = kPublicKeyTypeDSA; |
+ break; |
+ case CALG_ECDSA: |
+ *type = kPublicKeyTypeECDSA; |
+ break; |
+ case CALG_ECDH: |
+ *type = kPublicKeyTypeECDH; |
+ break; |
+ default: |
+ *type = kPublicKeyTypeUnknown; |
+ *size_bits = 0; |
+ break; |
+ } |
+} |
+ |
} // namespace net |