, August 6, 2012 3:42 PM
Subject: Re: [openssl-users] ECDSA sign/verify input data size
Use the EVP_* interface for high-level functions.
Use ECDSA_do_sign() or other low-level functions if you're
absolutely sure about what you're doing.
--
Erwann ABALEA
Le 06/08/2012 14:31, Mohammad
* openssl-users@openssl.org
*Cc:* Mohammad Khodaei
*Sent:* Monday, August 6, 2012 2:14 PM
*Subject:* Re: [openssl-users] ECDSA sign/verify input data size
Bonjour,
Which part of the examples did you mimic?
32 bytes is the length of a SHA256, it's also the max message length
of a 256bits ECDSA k
From: Erwann Abalea
To: openssl-users@openssl.org
Cc: Mohammad Khodaei
Sent: Monday, August 6, 2012 2:14 PM
Subject: Re: [openssl-users] ECDSA sign/verify input data size
Bonjour,
Which part of the examples did you mimic?
32 bytes is the length of a SHA256, it's also the max message l
Bonjour,
Which part of the examples did you mimic?
32 bytes is the length of a SHA256, it's also the max message length of
a 256bits ECDSA key. Whence, I assume you're doing straight
ECDSA_do_sign() without hashing and padding the message.
--
Erwann ABALEA
-
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