Hi all
2009/5/22 David Schwartz <dav...@webmaster.com>:
>
>> Dear all:
>> at the end of letter, I append the the public key I excerpted from my
>> certificate by openssl x509.
>> Since the key is 2048 bits, 256 bytes, I find the length of
>> 00:af:......14:f7
>> is 257 bytes.
>
> Right. In BER/DER form, without the leading 00 byte, the high bit is set and
> the number is negative.
Is it possible for RSA public key to be negative?
As far as I know, the numbers used in RSA should by positive, right?
so my certificate may be wrong?
thanks for all your kind help,
miloody
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