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Bug fix, did not add time stamp at msg signing stage (bug thunder found)

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Did not do check for msgs that already existed, msg is not checked if it exist this is deleted and error is sent to GUI for token
need to do same for groups!
Removed stack allocated msgs which cause crashes for large message items (bug defnax found)
Added function to retrieve group keys from GXS to RsGenExchange
First bits need for validation: Signing now consist of all msg data (msg + meta except msgId and signature)



git-svn-id: http://svn.code.sf.net/p/retroshare/code/branches/v0.5-gxs-b1@5718 b45a01b8-16f6-495d-af2f-9b41ad6348cc
This commit is contained in:
chrisparker126 2012-10-23 21:52:51 +00:00
parent 6e04229d39
commit 301e85c2fa
6 changed files with 286 additions and 123 deletions
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27
libretroshare/src/gxs/gxssecurity.h
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@ -2,12 +2,12 @@
#define GXSSECURITY_H
/*
* libretroshare/src/gxs: gxssecurity
* libretroshare/src/gxs: gxssecurity.h
*
* Security functions for Gxs
*
* Copyright 2008-2010 by Robert Fernie
* 2012 Christopher Evi-Parker
* 2011-2012 Christopher Evi-Parker
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
@ -82,11 +82,11 @@ public:
static std::string getRsaKeySign(RSA *pubkey);
/*!
* extracts the signature and stores it in a string
* extracts the first CERTSIGNLEN bytes of signature and stores it in a string
* in hex format
* @param data
* @param len
* @return
* @param data signature
* @param len the length of the signature data
* @return returns the first CERTSIGNLEN of the signature as a string
*/
static std::string getBinDataSign(void *data, int len);
@ -115,18 +115,21 @@ public:
/*!
* uses grp signature to check if group has been
* tampered with
* @param newGrp
* @param newGrp the Nxs group to be validated
* @param sign the signature to validdate against
* @param key the public key to use to check signature
* @return true if group valid false otherwise
*/
static bool validateNxsGrp(RsNxsGrp *newGrp);
static bool validateNxsGrp(RsNxsGrp *newGrp, RsTlvKeySignature& sign, RsTlvSecurityKey& key);
/*!
* uses groupinfo public key to verify signature of signed message
* @param info groupinfo for which msg is meant for
* @param msg
* Validate a msg's signature using the given public key
* @param msg the Nxs message to be validated
* @param sign the signature to validdate against
* @param key the public key to use to check signature
* @return false if verfication of signature is not passed
*/
static bool validateNxsMsg(RsNxsMsg *msg, RsGxsGrpMetaData* grpMeta);
static bool validateNxsMsg(RsNxsMsg *msg, RsTlvKeySignature& sign, RsTlvSecurityKeySet& key);
};
#endif // GXSSECURITY_H