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| author | Andrzej Zaborowski <andrew.zaborowski@intel.com> | 2015-11-13 12:01:33 +0100 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2015-11-17 15:00:39 +0100 |
| commit | 457e6f73a12bb713cc3eec2c979d707cb5716a07 (patch) | |
| tree | 7a015db4e9723caadf89b4ac86179f57e1fff210 /crypto/crypto_user.c | |
| parent | lib/mpi: only require buffers as big as needed for the integer (diff) | |
| download | linux-457e6f73a12bb713cc3eec2c979d707cb5716a07.tar.xz linux-457e6f73a12bb713cc3eec2c979d707cb5716a07.zip | |
crypto: rsa - only require output buffers as big as needed.
rhe RSA operations explicitly left-align the integers being written
skipping any leading zero bytes, but still require the output buffers to
include just enough space for the integer + the leading zero bytes.
Since the size of integer + the leading zero bytes (i.e. the key modulus
size) can now be obtained more easily through crypto_akcipher_maxsize
change the operations to only require as big a buffer as actually needed
if the caller has that information. The semantics for request->dst_len
don't change.
Signed-off-by: Andrew Zaborowski <andrew.zaborowski@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'crypto/crypto_user.c')
0 files changed, 0 insertions, 0 deletions