X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=doc%2FuImage.FIT%2Fsignature.txt;h=b2f89fcc65d0fd2a14693b26ce7f93ce0fe3412d;hb=1235e5a56ee61c9e986f4cd1a4e555c1a151e35a;hp=672dc3536f53af5bb3bcc9e4efd383c36b081c00;hpb=21d29f7f9f4888a4858b58b368ae7cf8783a6ebf;p=u-boot

diff --git a/doc/uImage.FIT/signature.txt b/doc/uImage.FIT/signature.txt
index 672dc3536f..b2f89fcc65 100644
--- a/doc/uImage.FIT/signature.txt
+++ b/doc/uImage.FIT/signature.txt
@@ -66,7 +66,8 @@ Creating an RSA key and certificate
 -----------------------------------
 To create a new public key, size 2048 bits:
 
-$ openssl genrsa -F4 -out keys/dev.key 2048
+$ openssl genpkey -algorithm RSA -out keys/dev.key \
+    -pkeyopt rsa_keygen_bits:2048 -pkeyopt rsa_keygen_pubexp:65537
 
 To create a certificate for this:
 
@@ -159,6 +160,7 @@ For RSA the following are mandatory:
 
 - rsa,num-bits: Number of key bits (e.g. 2048)
 - rsa,modulus: Modulus (N) as a big-endian multi-word integer
+- rsa,exponent: Public exponent (E) as a 64 bit unsigned integer
 - rsa,r-squared: (2^num-bits)^2 as a big-endian multi-word integer
 - rsa,n0-inverse: -1 / modulus[0] mod 2^32
 
@@ -361,6 +363,7 @@ Test Verified Boot Run: unsigned config: OK
 Sign images
 Test Verified Boot Run: signed config: OK
 check signed config on the host
+Signature check OK
 OK
 Test Verified Boot Run: signed config: OK
 Test Verified Boot Run: signed config with bad hash: OK
@@ -374,12 +377,14 @@ Test Verified Boot Run: unsigned config: OK
 Sign images
 Test Verified Boot Run: signed config: OK
 check signed config on the host
+Signature check OK
 OK
 Test Verified Boot Run: signed config: OK
 Test Verified Boot Run: signed config with bad hash: OK
 
 Test passed
 
+
 Future Work
 -----------
 - Roll-back protection using a TPM is done using the tpm command. This can