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Diffstat (limited to 'include/qpdf/QPDFCryptoImpl.hh')
| -rw-r--r-- | include/qpdf/QPDFCryptoImpl.hh | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/include/qpdf/QPDFCryptoImpl.hh b/include/qpdf/QPDFCryptoImpl.hh index ff25d594..ee37b233 100644 --- a/include/qpdf/QPDFCryptoImpl.hh +++ b/include/qpdf/QPDFCryptoImpl.hh @@ -69,6 +69,9 @@ class QPDF_DLL_CLASS QPDFCryptoImpl // Encryption/Decryption + // QPDF must support RC4 to be able to work with older PDF files + // and readers. Search for RC4 in README.md + // key_len of -1 means treat key_data as a null-terminated string QPDF_DLL virtual void RC4_init(unsigned char const* key_data, int key_len = -1) = 0; |