Hi at all,
is it possible to change the OpenSSL RSA functions so that I can use
a different - may be a variable - block size. At the moment the block
size on the OpenSSL RSA functions depends on the length of the RSA
key pair and the kind of padding (following PKCS#1 v1.5, which means
11 byte random data):
key lenght block size available space
2024 bit 256 byte 245 byte
1024 bit 128 byte 105 byte
768 bit 96 byte 85
Normally, on symmetric encryption the block size _must_ be the same
as the key lenght. But on asymmetric encryption methods - I think -
the block size not depends on that restriction, or is there another
point, which forces such a fixed block size?
Many thanks in advance!
Best regards,
Philippe
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