Ensure EC private keys retain leading zeros
authorDouglas E Engert <deengert@gmail.com>
Wed, 25 Mar 2015 23:52:28 +0000 (23:52 +0000)
committerMatt Caswell <matt@openssl.org>
Tue, 31 Mar 2015 15:33:29 +0000 (16:33 +0100)
commit30cd4ff294252c4b6a4b69cbef6a5b4117705d22
tree004fa064ac253900f83a8308eaf99c4d53b0e684
parent747e16398d704a667cc99f8a0b1912c36b7de52d
Ensure EC private keys retain leading zeros

RFC5915 requires the use of the I2OSP primitive as defined in RFC3447
for storing an EC Private Key. This converts the private key into an
OCTETSTRING and retains any leading zeros. This commit ensures that those
leading zeros are present if required.

Reviewed-by: Andy Polyakov <appro@openssl.org>
crypto/ec/ec_asn1.c