fix check

Author: salrashid123

example/README.md

@@ -34,35 +34,6 @@ First install latest `tpm2_tools`
 ## install latest tpm2-tools:
 ####  https://github.com/salrashid123/tpm2/tree/master?tab=readme-ov-file#installing-tpm2_tools-golang
 #### https://tpm2-tools.readthedocs.io/en/latest/INSTALL/
-
-apt-get update
-
-apt -y install   autoconf-archive   libcmocka0   libcmocka-dev   procps  \
-   iproute2   build-essential   git   pkg-config   gcc   libtool   automake \
-     libssl-dev   uthash-dev   autoconf   doxygen  libcurl4-openssl-dev dbus-x11 libglib2.0-dev libjson-c-dev acl
-
-cd
-git clone https://github.com/tpm2-software/tpm2-tss.git
-  cd tpm2-tss
-  ./bootstrap
-  ./configure --with-udevrulesdir=/etc/udev/rules.d
-  make -j$(nproc)
-  make install
-  udevadm control --reload-rules && sudo udevadm trigger
-  ldconfig
-
-cd
-git clone https://github.com/tpm2-software/tpm2-tools.git
-  cd tpm2-tools
-  ./bootstrap
-  ./configure
-  make check
-  make install
-
-## install golang  
-wget https://go.dev/dl/go1.22.3.linux-amd64.tar.gz
-rm -rf /usr/local/go && tar -C /usr/local -xzf go1.22.3.linux-amd64.tar.gz
-export PATH=$PATH:/usr/local/go/bin
 ```
 
 ```bash

tpm/tpm.go

@@ -89,7 +89,7 @@ func NewTPMCrypto(conf *TPM) (TPM, error) {
 	// if an actual device is specified, its externally managed
 	// so the auth handle shoud've been initialzied before this
 	if conf.TpmDevice != nil {
-		if conf.AuthHandle == nil || conf.TpmDevice == nil {
+		if conf.AuthHandle == nil {
 			return TPM{}, fmt.Errorf("salrashid123/x/oauth2/google: AuthHandle and TpmDevice must be specified")
 		}
 		rwr = transport.FromReadWriter(conf.TpmDevice)
@@ -98,7 +98,7 @@ func NewTPMCrypto(conf *TPM) (TPM, error) {
 		// otherwise, its a library managed call
 		// here we'll open up the tpm and read in the
 		// persistent handle
-		//  after enabling for if any password or pcr policies
+		//  after enabling for if any password or pcr policies, we'll read the public key..then
 		// wer'e going to close the tpm after this function call
 		rwc, err := OpenTPM(conf.TpmPath)
 		if err != nil {
@@ -165,6 +165,7 @@ func NewTPMCrypto(conf *TPM) (TPM, error) {
 
 	}
 
+	// todo: we should supply the encrypted session here, if set
 	pub, err := tpm2.ReadPublic{
 		ObjectHandle: ah.Handle,
 	}.Execute(rwr)