Наследование: TpmStructureBase
Пример #1
0
        /// <summary>
        /// Create a simple bound but unseeded session.
        /// </summary>
        public AuthSession StartAuthSessionEx(
            TpmHandle boundEntity,
            TpmSe sessionType,
            TpmAlgId authHash,
            SessionAttr initialialAttrs = SessionAttr.ContinueSession,
            SymDef symDef       = null,
            int nonceCallerSize = 0)
        {
            byte[] nonceTpm;
            var    EmptySalt = new byte[0];

            if (nonceCallerSize == 0)
            {
                nonceCallerSize = CryptoLib.DigestSize(authHash);
            }

            AuthSession sess = StartAuthSession(TpmRh.Null, boundEntity,
                                                GetRandomBytes(nonceCallerSize),
                                                EmptySalt, sessionType,
                                                symDef ?? new SymDef(),
                                                authHash, out nonceTpm)
                               + initialialAttrs;

            _InitializeSession(sess);
            return(sess);
        }
Пример #2
0
        /// <summary>
        /// Create a simple bound but unseeded session.
        /// </summary>
        public AuthSession StartAuthSessionEx(
            TpmHandle boundEntity,
            TpmSe sessionType,
            TpmAlgId authHash,
            SessionAttr initialialAttrs = SessionAttr.ContinueSession,
            SymDef symDef = null,
            int nonceCallerSize = 0)
        {
            byte[] nonceTpm;
            var EmptySalt = new byte[0];

            if (nonceCallerSize == 0)
            {
                nonceCallerSize = CryptoLib.DigestSize(authHash);
            }

            AuthSession sess = StartAuthSession(TpmRh.Null, boundEntity,
                                                GetRandomBytes(nonceCallerSize),
                                                EmptySalt, sessionType,
                                                symDef ?? new SymDef(),
                                                authHash, out nonceTpm)
                               + initialialAttrs;

            _InitializeSession(sess);
            return sess;
        }
Пример #3
0
 /// <summary>
 /// Create a simple unbound & unseeded session supporting session encryption.
 /// </summary>
 public AuthSession StartAuthSessionEx(
     TpmSe sessionType,
     TpmAlgId authHash,
     SessionAttr initialialAttrs,
     SymDef symDef,
     int nonceCallerSize = 0)
 {
     return StartAuthSessionEx(TpmRh.Null, sessionType, authHash, 
                               initialialAttrs, symDef, nonceCallerSize);
 }
Пример #4
0
 /// <summary>
 /// Create a simple unbound & unseeded session supporting session encryption.
 /// </summary>
 public AuthSession StartAuthSessionEx(
     TpmSe sessionType,
     TpmAlgId authHash,
     SessionAttr initialialAttrs,
     SymDef symDef,
     int nonceCallerSize = 0)
 {
     return(StartAuthSessionEx(TpmRh.Null, sessionType, authHash,
                               initialialAttrs, symDef, nonceCallerSize));
 }
Пример #5
0
 /// <summary>
 /// Constructs a temporary object to hold parameters of a session.
 /// Intended only for internal use by the Tpm2 class.
 /// </summary>
 internal AuthSession(TpmSe sessionType, TpmHandle tpmKey, TpmHandle bindObject,
                      byte[] nonceCaller, byte[] nonceTpm, SymDef symmetric, TpmAlgId authHash)
 {
     SessionType = sessionType;
     Salt        = tpmKey == TpmRh.Null ? null : SaltNeeded;
     BindObject  = bindObject;
     NonceCaller = nonceCaller;
     NonceTpm    = nonceTpm;
     Symmetric   = symmetric;
     AuthHash    = authHash;
 }
Пример #6
0
 /// <summary>
 /// Sets parameters associated with the session.
 /// </summary>
 internal void Init(AuthSession Params)
 {
     SessionType = Params.SessionType;
     BindObject  = Params.BindObject;
     NonceCaller = Params.NonceCaller;
     NonceTpm    = Params.NonceTpm;
     Symmetric   = Params.Symmetric;
     AuthHash    = Params.AuthHash;
     AuthHandle  = Params.AuthHandle;
     // When salt is required, the session will have it set directly by the user
     if (Params.Salt != SaltNeeded)
     {
         Salt = null;
     }
 }
Пример #7
0
        /// <summary>
        /// Create a simple unbound & unseeded session supporting session encryption.
        /// </summary>
        public AuthSession StartAuthSessionEx(
            TpmSe sessionType,
            TpmAlgId authHash,
            SessionAttr initialialAttrs,
            SymDef symmAlg,
            int nonceCallerSize = 16)
        {
            byte[] nonceTpm;
            var    EmptySalt = new byte[0];

            AuthSession sess = StartAuthSession(TpmRh.Null, TpmRh.Null,
                                                GetRandomBytes(nonceCallerSize), EmptySalt,
                                                sessionType, symmAlg, authHash, out nonceTpm)
                               + initialialAttrs;

            _InitializeSession(sess);
            return(sess);
        }
Пример #8
0
        /// <summary>
        /// Create a simple unbound & unseeded session supporting session encryption.
        /// </summary>
        public AuthSession StartAuthSessionEx(
            TpmSe sessionType,
            TpmAlgId authHash,
            SessionAttr initialialAttrs,
            SymDef symmAlg,
            int nonceCallerSize = 16)
        {
            byte[] nonceTpm;
            var EmptySalt = new byte[0];

            AuthSession sess = StartAuthSession(TpmRh.Null, TpmRh.Null,
                                                GetRandomBytes(nonceCallerSize), EmptySalt,
                                                sessionType, symmAlg, authHash, out nonceTpm)
                               + initialialAttrs;

            _InitializeSession(sess);
            return sess;
        }
Пример #9
0
 public SymDef(SymDef the_SymDef)
 {
     if((Object) the_SymDef == null ) throw new ArgumentException(Globs.GetResourceString("parmError"));
     Algorithm = the_SymDef.Algorithm;
     KeyBits = the_SymDef.KeyBits;
     Mode = the_SymDef.Mode;
 }
Пример #10
0
 public TpmHandle StartAuthSession(
     TpmHandle tpmKey,
     TpmHandle bind,
     byte[] nonceCaller,
     byte[] encryptedSalt,
     TpmSe sessionType,
     SymDef symmetric,
     TpmAlgId authHash,
     [SuppressMessage("Microsoft.Design", "CA1021")]
     out byte[] nonceTPM
 )
 {
     Tpm2StartAuthSessionRequest inS = new Tpm2StartAuthSessionRequest();
     inS.tpmKey = tpmKey;
     inS.bind = bind;
     inS.nonceCaller = nonceCaller;
     inS.encryptedSalt = encryptedSalt;
     inS.sessionType = sessionType;
     inS.symmetric = symmetric;
     inS.authHash = authHash;
     TpmStructureBase outSBase;
     DispatchMethod(TpmCc.StartAuthSession, (TpmStructureBase) inS, typeof(Tpm2StartAuthSessionResponse), out outSBase, 2, 1);
     Tpm2StartAuthSessionResponse outS = (Tpm2StartAuthSessionResponse) outSBase;
     nonceTPM = outS.nonceTPM;
     return outS.sessionHandle;
 }
Пример #11
0
 ///<param name = "the_tpmKey">handle of a loaded decrypt key used to encrypt salt may be TPM_RH_NULL Auth Index: None</param>
 ///<param name = "the_bind">entity providing the authValue may be TPM_RH_NULL Auth Index: None</param>
 ///<param name = "the_nonceCaller">initial nonceCaller, sets nonce size for the session shall be at least 16 octets</param>
 ///<param name = "the_encryptedSalt">value encrypted according to the type of tpmKey If tpmKey is TPM_RH_NULL, this shall be the Empty Buffer.</param>
 ///<param name = "the_sessionType">indicates the type of the session; simple HMAC or policy (including a trial policy)</param>
 ///<param name = "the_symmetric">the algorithm and key size for parameter encryption may select TPM_ALG_NULL</param>
 ///<param name = "the_authHash">hash algorithm to use for the session Shall be a hash algorithm supported by the TPM and not TPM_ALG_NULL</param>
 public Tpm2StartAuthSessionRequest(
 TpmHandle the_tpmKey,
 TpmHandle the_bind,
 byte[] the_nonceCaller,
 byte[] the_encryptedSalt,
 TpmSe the_sessionType,
 SymDef the_symmetric,
 TpmAlgId the_authHash
 )
 {
     this.tpmKey = the_tpmKey;
     this.bind = the_bind;
     this.nonceCaller = the_nonceCaller;
     this.encryptedSalt = the_encryptedSalt;
     this.sessionType = the_sessionType;
     this.symmetric = the_symmetric;
     this.authHash = the_authHash;
 }
Пример #12
0
 public Tpm2StartAuthSessionRequest()
 {
     tpmKey = new TpmHandle();
     bind = new TpmHandle();
     nonceCaller = new byte[0];
     encryptedSalt = new byte[0];
     sessionType = new TpmSe();
     symmetric = new SymDef();
     authHash = TpmAlgId.Null;
 }
Пример #13
0
 /// <summary>
 /// Sets parameters associated with the session.
 /// </summary>
 internal void Init (AuthSession Params)
 {
     SessionType = Params.SessionType;
     BindObject = Params.BindObject;
     NonceCaller = Params.NonceCaller;
     NonceTpm = Params.NonceTpm;
     Symmetric = Params.Symmetric;
     AuthHash = Params.AuthHash;
     AuthHandle = Params.AuthHandle;
     // When salt is required, destination session will have it set directly by the user
     if (Params.Salt != SaltNeeded)
         Salt = null;
 }
Пример #14
0
 /// <summary>
 /// Constructs a temporary object to hold parameters of a session.
 /// Intended only for internal use by the Tpm2 class.
 /// </summary>
 internal AuthSession(TpmSe sessionType, TpmHandle tpmKey, TpmHandle bindObject,
                      byte[] nonceCaller, byte[] nonceTpm, SymDef symmetric, TpmAlgId authHash)
 {
     SessionType = sessionType;
     Salt = tpmKey == TpmRh.Null ? null : SaltNeeded;
     BindObject = bindObject;
     NonceCaller = nonceCaller;
     NonceTpm = nonceTpm;
     Symmetric = symmetric;
     AuthHash = authHash;
 }