doc: clarify openssl-based key and certificate generation process

Add some basic clarification that the dev.key file generated by OpenSSL contains both the public and private key, and further highlight that the certificate generated here contains the public key only. Signed-off-by: Andreas Dannenberg <dannenberg@ti.com>

doc: clarify openssl-based key and certificate generation process
Add some basic clarification that the dev.key file generated by OpenSSL contains both the public and private key, and further highlight that the certificate generated here contains the public key only. Signed-off-by: Andreas Dannenberg <dannenberg@ti.com>
Andreas Dannenberg · Tom Rini
1 parent 486c39c2e9
Showing 1 changed file with 4 additions and 4 deletions Side-by-side Diff
doc/uImage.FIT/signature.txt
@@ -62,14 +62,14 @@
 also.
  
  
-Creating an RSA key and certificate
------------------------------------
-To create a new public key, size 2048 bits:
+Creating an RSA key pair and certificate
+----------------------------------------
+To create a new public/private key pair, size 2048 bits:
  
 $ openssl genpkey -algorithm RSA -out keys/dev.key \
     -pkeyopt rsa_keygen_bits:2048 -pkeyopt rsa_keygen_pubexp:65537
  
-To create a certificate for this:
+To create a certificate for this containing the public key:
  
 $ openssl req -batch -new -x509 -key keys/dev.key -out keys/dev.crt
...	...	@@ -62,14 +62,14 @@
62	62	also.
63	63
64	64
65		-Creating an RSA key and certificate
66		------------------------------------
67		-To create a new public key, size 2048 bits:
	65	+Creating an RSA key pair and certificate
	66	+----------------------------------------
	67	+To create a new public/private key pair, size 2048 bits:
68	68
69	69	$ openssl genpkey -algorithm RSA -out keys/dev.key \
70	70	-pkeyopt rsa_keygen_bits:2048 -pkeyopt rsa_keygen_pubexp:65537
71	71
72		-To create a certificate for this:
	72	+To create a certificate for this containing the public key:
73	73
74	74	$ openssl req -batch -new -x509 -key keys/dev.key -out keys/dev.crt
75	75