diff options
Diffstat (limited to 'tpm-util/initandverify/Sign_Verify_test.sh')
| -rwxr-xr-x | tpm-util/initandverify/Sign_Verify_test.sh | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/tpm-util/initandverify/Sign_Verify_test.sh b/tpm-util/initandverify/Sign_Verify_test.sh new file mode 100755 index 0000000..660dff9 --- /dev/null +++ b/tpm-util/initandverify/Sign_Verify_test.sh @@ -0,0 +1,35 @@ +#!/bin/sh + +echo "hello world.." > hello_tpm.txt + +# Load the Child context in TPM +rm -f ChildKeyName ContextChild +tpm2_load -H 0x81000011 -u outPub -r outPriv -n ChildKeyName -C ContextChild + +echo "tpm2_hash -H o -g 0x00B -I hello_tpm.txt -o hello_tpm_hash.bin -t outTicket" +rm -f hello_tpm_hash.bin outTicket +tpm2_hash -H o -g 0x00B -I hello_tpm.txt -o hello_tpm_hash.bin -t outTicket +echo "" + +echo "tpm2_sign -c ContextChild -g 0x000B -m hello_tpm.txt -s hello_tpm.sig" +rm -f hello_tpm.sig +tpm2_sign -c ContextChild -g 0x000B -m hello_tpm.txt -s hello_tpm.sig +echo "" + +echo "tpm2_verifysignature -c ContextChild -g 0x000b -m hello_tpm.txt -s hello_tpm.sig -t tk.sig" +rm -f tk.sig +tpm2_verifysignature -c ContextChild -g 0x000b -m hello_tpm.txt -s hello_tpm.sig -t tk.sig +echo "" + +echo "Extracting signature from TPM format" +echo "dd if=hello_tpm.sig of=hello_tpm.sig.raw bs=1 skip=6 count=256" +rm -f hello_tpm.sig.raw +dd if=hello_tpm.sig of=hello_tpm.sig.raw bs=1 skip=6 count=256 +echo "" + +echo "openssl dgst -verify public.pem -keyform pem -sha256 -signature hello_tpm.sig.raw hello_tpm.txt" +openssl dgst -verify public.pem -keyform pem -sha256 -signature hello_tpm.sig.raw hello_tpm.txt +echo "" + +rm -f hello_tpm_hash.bin outTicket tk.sig + |