The XML Security library has been modified, so that there is NO verification of the certificate during sign or verification operation. On Windows this was done in the function xmlSecMSCryptoX509StoreVerify (file src/mscrypto/x509vfy.c) and on UNIX in xmlSecNssX509StoreVerify (file src/nss/x509vfy.c). The implementation creates certificates from all of the X509Data children, such as X509IssuerSerial and X509Certificate and stores them in a certificate store (see xmlsec/src/mscrypto/x509.c:xmlSecMSCryptoX509DataNodeRead). It must then find the certificate containing the public key which is used for validation within that store. This is done in xmlSecMSCryptoX509StoreVerify. This function however only takes those certificates into account which can be validated. This was changed by the patch xmlsec1-noverify.patch, which prevents this certificate validation. xmlSecMSCryptoX509StoreVerify iterates over all certificates contained or referenced in the X509Data elements and selects one which is no issuer of any of the other certificates. This certificate is not necessarily the one which was used for signing but it must contain the proper validation key, which is sufficient to validate the signature. See http://www.w3.org/TR/xmldsig-core/#sec-X509Data for details. There is a flag XMLSEC_KEYINFO_FLAGS_X509DATA_DONT_VERIFY_CERTS that can be set in a xmlSecKeyInfoCtx (see function xmlSecNssKeyDataX509XmlRead, in file src/nss/x509.c), which indicates that one can turn off the validation. However, setting it will cause that the validation key is not found. If the flag is set, then the key is not extracted from the certificate store which contains all the certificates of the X509Data elements. In other words, the certificates which are delivered within the XML signature are not used when looking for suitable validation key. libreoffice-6-3'>distro/cib/libreoffice-6-3 LibreOffice 核心代码仓库文档基金会
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authorSzymon Kłos <eszkadev@gmail.com>2014-07-07 11:24:48 +0200
committerCaolán McNamara <caolanm@redhat.com>2014-07-09 09:54:57 +0000
commit4bbf35572d94efe8b321e3159e9810f52bc3f9f8 (patch)
treec4160fca7a5768da9fd36805608f073366651f46 /svx
parent33c36fb9fbc69bbc32088532dd21db7153aee09d (diff)
RID_SVXDLG_IMAP conversion to .ui
Change-Id: I6d0ecb693177436a47d1115cdab6d5ec20254f4f Reviewed-on: https://gerrit.libreoffice.org/10105 Reviewed-by: Caolán McNamara <caolanm@redhat.com> Tested-by: Caolán McNamara <caolanm@redhat.com>