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rsaenh: Only reverse the significant bytes of an exported private key.

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This commit is contained in:
Juan Lang 2009-11-05 10:02:03 -08:00 committed by Alexandre Julliard
parent b1beb212db
commit 2d05074fba
2 changed files with 7 additions and 8 deletions
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14
dlls/rsaenh/implglue.c
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@ -399,43 +399,43 @@ BOOL export_private_key_impl(BYTE *pbDest, const KEY_CONTEXT *pKeyContext, DWORD
DWORD *pdwPubExp)
{
mp_to_unsigned_bin(&pKeyContext->rsa.N, pbDest);
reverse_bytes(pbDest, dwKeyLen);
reverse_bytes(pbDest, mp_unsigned_bin_size(&pKeyContext->rsa.N));
if (mp_unsigned_bin_size(&pKeyContext->rsa.N) < dwKeyLen)
memset(pbDest + mp_unsigned_bin_size(&pKeyContext->rsa.N), 0,
dwKeyLen - mp_unsigned_bin_size(&pKeyContext->rsa.N));
pbDest += dwKeyLen;
mp_to_unsigned_bin(&pKeyContext->rsa.p, pbDest);
reverse_bytes(pbDest, (dwKeyLen+1)>>1);
reverse_bytes(pbDest, mp_unsigned_bin_size(&pKeyContext->rsa.p));
if (mp_unsigned_bin_size(&pKeyContext->rsa.p) < (dwKeyLen+1)>>1)
memset(pbDest + mp_unsigned_bin_size(&pKeyContext->rsa.p), 0,
((dwKeyLen+1)>>1) - mp_unsigned_bin_size(&pKeyContext->rsa.p));
pbDest += (dwKeyLen+1)>>1;
mp_to_unsigned_bin(&pKeyContext->rsa.q, pbDest);
reverse_bytes(pbDest, (dwKeyLen+1)>>1);
reverse_bytes(pbDest, mp_unsigned_bin_size(&pKeyContext->rsa.q));
if (mp_unsigned_bin_size(&pKeyContext->rsa.q) < (dwKeyLen+1)>>1)
memset(pbDest + mp_unsigned_bin_size(&pKeyContext->rsa.q), 0,
((dwKeyLen+1)>>1) - mp_unsigned_bin_size(&pKeyContext->rsa.q));
pbDest += (dwKeyLen+1)>>1;
mp_to_unsigned_bin(&pKeyContext->rsa.dP, pbDest);
reverse_bytes(pbDest, (dwKeyLen+1)>>1);
reverse_bytes(pbDest, mp_unsigned_bin_size(&pKeyContext->rsa.dP));
if (mp_unsigned_bin_size(&pKeyContext->rsa.dP) < (dwKeyLen+1)>>1)
memset(pbDest + mp_unsigned_bin_size(&pKeyContext->rsa.dP), 0,
((dwKeyLen+1)>>1) - mp_unsigned_bin_size(&pKeyContext->rsa.dP));
pbDest += (dwKeyLen+1)>>1;
mp_to_unsigned_bin(&pKeyContext->rsa.dQ, pbDest);
reverse_bytes(pbDest, (dwKeyLen+1)>>1);
reverse_bytes(pbDest, mp_unsigned_bin_size(&pKeyContext->rsa.dQ));
if (mp_unsigned_bin_size(&pKeyContext->rsa.dQ) < (dwKeyLen+1)>>1)
memset(pbDest + mp_unsigned_bin_size(&pKeyContext->rsa.dQ), 0,
((dwKeyLen+1)>>1) - mp_unsigned_bin_size(&pKeyContext->rsa.dQ));
pbDest += (dwKeyLen+1)>>1;
mp_to_unsigned_bin(&pKeyContext->rsa.qP, pbDest);
reverse_bytes(pbDest, (dwKeyLen+1)>>1);
reverse_bytes(pbDest, mp_unsigned_bin_size(&pKeyContext->rsa.qP));
if (mp_unsigned_bin_size(&pKeyContext->rsa.qP) < (dwKeyLen+1)>>1)
memset(pbDest + mp_unsigned_bin_size(&pKeyContext->rsa.qP), 0,
((dwKeyLen+1)>>1) - mp_unsigned_bin_size(&pKeyContext->rsa.qP));
pbDest += (dwKeyLen+1)>>1;
mp_to_unsigned_bin(&pKeyContext->rsa.d, pbDest);
reverse_bytes(pbDest, dwKeyLen);
reverse_bytes(pbDest, mp_unsigned_bin_size(&pKeyContext->rsa.d));
if (mp_unsigned_bin_size(&pKeyContext->rsa.d) < dwKeyLen)
memset(pbDest + mp_unsigned_bin_size(&pKeyContext->rsa.d), 0,
dwKeyLen - mp_unsigned_bin_size(&pKeyContext->rsa.d));

1
dlls/rsaenh/tests/rsaenh.c
View File

@ -1842,7 +1842,6 @@ static void test_import_export(void)
ok(dwDataLen == sizeof(expected_exported_priv_key), "unexpected size %d\n",
dwDataLen);
todo_wine
ok(!memcmp(exported_key, expected_exported_priv_key, dwDataLen),
"unexpected value\n");