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crypto_box_seal(): copy the key after encryption to support in-place encryption

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Fixes #961
This commit is contained in:
Frank Denis 2020-05-21 18:22:37 +02:00
parent 4681c7722b
commit 81a2655233
1 changed files with 1 additions and 1 deletions
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2
src/libsodium/crypto_box/crypto_box_seal.c
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@ -32,10 +32,10 @@ crypto_box_seal(unsigned char *c, const unsigned char *m,
if (crypto_box_keypair(epk, esk) != 0) {
return -1; /* LCOV_EXCL_LINE */
}
memcpy(c, epk, crypto_box_PUBLICKEYBYTES);
_crypto_box_seal_nonce(nonce, epk, pk);
ret = crypto_box_easy(c + crypto_box_PUBLICKEYBYTES, m, mlen,
nonce, pk, esk);
memcpy(c, epk, crypto_box_PUBLICKEYBYTES);
sodium_memzero(esk, sizeof esk);
sodium_memzero(epk, sizeof epk);
sodium_memzero(nonce, sizeof nonce);