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Add memory locking to crypto_box_easy
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@ -34,9 +34,10 @@ crypto_box_easy(unsigned char *c, const unsigned char *m,
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return -1;
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}
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memset(m_boxed, 0, crypto_box_ZEROBYTES);
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sodium_mlock(m_boxed, m_boxed_len);
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memcpy(m_boxed + crypto_box_ZEROBYTES, m, mlen);
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rc = crypto_box(c_boxed, m_boxed, m_boxed_len, n, pk, sk);
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sodium_memzero(m_boxed, m_boxed_len);
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sodium_munlock(m_boxed, m_boxed_len);
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free(m_boxed);
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if (rc != 0) {
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free(c_boxed);
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@ -76,14 +77,17 @@ crypto_box_open_easy(unsigned char *m, const unsigned char *c,
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free(c_boxed);
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return -1;
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}
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sodium_mlock(m_boxed, m_boxed_len);
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rc = crypto_box_open(m_boxed, c_boxed,
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(unsigned long long) c_boxed_len, n, pk, sk);
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free(c_boxed);
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if (rc != 0) {
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sodium_munlock(m_boxed, m_boxed_len);
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free(m_boxed);
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return -1;
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}
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memcpy(m, m_boxed + crypto_box_ZEROBYTES, clen - crypto_box_MACBYTES);
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sodium_munlock(m_boxed, m_boxed_len);
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free(m_boxed);
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return 0;
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