diff options
Diffstat (limited to 'doc/uImage.FIT/signature.txt')
| -rw-r--r-- | doc/uImage.FIT/signature.txt | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/doc/uImage.FIT/signature.txt b/doc/uImage.FIT/signature.txt index a6ab543..b2f89fc 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 |