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Fix some minor Coverity-reported issues (added a check to suppress a warning,

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removed an unnecessary check, and removed some dead code)
This commit is contained in:
Michael R Sweet
2021-10-31 07:04:17 -04:00
parent b3ca129a58
commit 9014ab7a20
3 changed files with 15 additions and 14 deletions
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8
pdfio-crypto.c
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@@ -81,7 +81,7 @@
// V6+R6 handler:
//
// TODO: document V6+R6 handler
//
//
//
// Local globals...
@@ -177,7 +177,7 @@ _pdfioCryptoLock(
pdfioDictSetNumber(dict, "R", encryption == PDFIO_ENCRYPTION_RC4_128 ? 3 : 4);
pdfioDictSetNumber(dict, "V", encryption == PDFIO_ENCRYPTION_RC4_128 ? 2 : 4);
pdfioDictSetBinary(dict, "U", pdf->user_key, sizeof(pdf->user_key));
if (encryption == PDFIO_ENCRYPTION_AES_128)
{
if ((cf_dict = pdfioDictCreate(pdf)) == NULL)
@@ -193,7 +193,7 @@ _pdfioCryptoLock(
}
pdfioDictSetName(filter_dict, "Type", "CryptFilter");
pdfioDictSetName(filter_dict, "CFM", encryption == PDFIO_ENCRYPTION_RC4_128 ? "V2" : "AESV2");
pdfioDictSetName(filter_dict, "CFM", "AESV2");
pdfioDictSetDict(cf_dict, "PDFio", filter_dict);
pdfioDictSetDict(dict, "CF", cf_dict);
pdfioDictSetName(dict, "StmF", "PDFio");
@@ -658,7 +658,7 @@ _pdfioCryptoUnlock(
_pdfioCryptoMD5Append(&md5, pdf_passpad, 32);
_pdfioCryptoMD5Append(&md5, file_id, file_idlen);
_pdfioCryptoMD5Finish(&md5, file_digest);
// Now try to unlock the PDF...
for (tries = 0; tries < 4; tries ++)
{