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-rw-r--r--include/qpdf/QPDFCryptoImpl.hh10
1 files changed, 10 insertions, 0 deletions
diff --git a/include/qpdf/QPDFCryptoImpl.hh b/include/qpdf/QPDFCryptoImpl.hh
index 8fa8b21e..b19f0112 100644
--- a/include/qpdf/QPDFCryptoImpl.hh
+++ b/include/qpdf/QPDFCryptoImpl.hh
@@ -50,6 +50,16 @@ class QPDF_DLL_CLASS QPDFCryptoImpl
virtual void MD5_finalize() = 0;
QPDF_DLL
virtual void MD5_digest(MD5_Digest) = 0;
+
+ // 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;
+ // out_data = 0 means to encrypt/decrypt in place
+ QPDF_DLL
+ virtual void RC4_process(unsigned char* in_data, size_t len,
+ unsigned char* out_data = 0) = 0;
+ QPDF_DLL
+ virtual void RC4_finalize() = 0;
};
#endif // QPDFCRYPTOIMPL_HH