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mce: decryption size check

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Mirek Kratochvil 2012-05-22 22:06:50 +02:00
parent 31ef38bfa7
commit 2436593054
1 changed files with 2 additions and 0 deletions
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lib/mce.cpp
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@ -64,6 +64,8 @@ int pubkey::encrypt (const bvector& in, bvector&out, prng&rng)
int privkey::decrypt (const bvector&in, bvector&out) int privkey::decrypt (const bvector&in, bvector&out)
{ {
if (in.size() != cipher_size() ) return 2;
//remove the P permutation //remove the P permutation
bvector not_permuted; bvector not_permuted;
Pinv.permute (in, not_permuted); Pinv.permute (in, not_permuted);