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Properly check MSB in openssl plugin's PKCS#7 implementation

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Tobias Brunner
2013-01-24 23:36:02 +01:00
parent 9ccfeb8ca1
commit 572a707765
1 changed files with 1 additions and 1 deletions
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src/libstrongswan/plugins/openssl/openssl_pkcs7.c
+1 -1
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@@ -615,7 +615,7 @@ static bool decrypt(private_openssl_pkcs7_t *this,
continue; continue;
} }
chunk = openssl_asn1_str2chunk(sn); chunk = openssl_asn1_str2chunk(sn);
if (chunk.len && chunk.ptr[0] | 0x80) if (chunk.len && chunk.ptr[0] & 0x80)
{ /* if MSB is set, append a zero to make it non-negative */ { /* if MSB is set, append a zero to make it non-negative */
chunk = chunk_cata("cc", chunk_from_thing(zero), chunk); chunk = chunk_cata("cc", chunk_from_thing(zero), chunk);
} }