Christian Hohnstädt f6df3e1fec dropbearconvert: keyimport.c: fix BER encoding of secp521r1 keys (#69) ...

keysizes >= 128 octets will be encoded with a 3 byte header
which must be accounted by the optional-header

Reproduce:

master:~/build/dropbear$ ./dropbearkey -t ecdsa -s 521 -f K
Generating 521 bit ecdsa key, this may take a while...

master:~/build/dropbear$ ./dropbearconvert d o K L
Key is a ecdsa-sha2-nistp521 key
Wrote key to 'L'

master:~/build/dropbear$ openssl ec < L
read EC key
unable to load Key
139769806448384:error:0D07209B:asn1 encoding routines:ASN1_get_object:too long:crypto/asn1/asn1_lib.c:91:

2019-03-20 23:42:47 +08:00

50 KiB

Raw Blame History

View Raw