Roughly keysize - paddingsize is the limit. keysize in your case is 512
bytes and padding size for OAEP padding (the common standard) is ~41, so
the limit is about 471 bytes.
Usually when encrypting a file, you use a symmetric cipher with a
randomly chosen key, and then encrypt the key with RSA and prepend that
to the encrypted file.
-chris
On 06/27/2011 09:00 AM, ml.vladimbe...@gmail.com wrote:
Hello.
I tried to encrypt a file(1Mb), with RSA private key of 4096-bit
length with command:
openssl rsautl -encrypt -pubin -inkey rsapublickey.pem -in 2.txt -out
2.srsa
I get next error:
Loading 'screen' into random state - done
RSA operation error
5616:error:0406D06E:rsa routines:RSA_padding_add_PKCS1_type_2:data too
large for
key size:.\crypto\rsa\rsa_pk1.c:151:
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______________________________________________________________________
OpenSSL Project http://www.openssl.org
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Automated List Manager majord...@openssl.org
