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| author | Iru Cai <mytbk920423@gmail.com> | 2018-11-19 00:26:49 +0800 |
|---|---|---|
| committer | Iru Cai <mytbk920423@gmail.com> | 2018-11-19 00:26:49 +0800 |
| commit | 881093d08030ebd50663919097f491cbea7d4fe8 (patch) | |
| tree | 77a5b8bca4be22074476a21ea227807083a64143 | |
| parent | bb619e85ec9009f29a1e82050b6562a84024f63e (diff) | |
| download | mupdf-881093d08030ebd50663919097f491cbea7d4fe8.tar.xz | |
hardcode an encryption key for test -- it works
| -rw-r--r-- | source/pdf/pdf-crypt.c | 19 |
1 files changed, 15 insertions, 4 deletions
diff --git a/source/pdf/pdf-crypt.c b/source/pdf/pdf-crypt.c index cbc7f26f..53dc73b5 100644 --- a/source/pdf/pdf-crypt.c +++ b/source/pdf/pdf-crypt.c @@ -39,6 +39,7 @@ struct pdf_crypt_s int encrypt_metadata; unsigned char key[32]; /* decryption key generated from password */ + int xjc; }; static void pdf_parse_crypt_filter(fz_context *ctx, pdf_crypt_filter *cf, pdf_crypt *crypt, pdf_obj *name); @@ -64,12 +65,19 @@ pdf_new_crypt(fz_context *ctx, pdf_obj *dict, pdf_obj *id) pdf_drop_crypt(ctx, crypt); fz_throw(ctx, FZ_ERROR_GENERIC, "unspecified encryption handler"); } -#if 1 + crypt->xjc = 0; if (!strcmp("ProfXJC", pdf_to_name(ctx, obj))) -#else - if (pdf_name_eq(ctx, PDF_NAME(ProfXJC), obj)) -#endif { + unsigned char akey[] = "\xCE\x69\x16\xAC\xD3\xA5\x00\x85\xF2\xD0\x22\x2A\x9C\xCE\x64\x4F\x65\xDF\x47\xE4\xE3\x6C\x24\x2B\x1B\x31\x6A\x3D\x3B\xE2\x20\xCC"; + + crypt->encrypt_metadata = 0; + crypt->xjc = 1; + crypt->length = 256; + memcpy(crypt->key, akey, 32); + crypt->stmf.method = PDF_CRYPT_AESV3; + crypt->stmf.length = crypt->length; + crypt->strf.method = PDF_CRYPT_AESV3; + crypt->strf.length = crypt->length; return crypt; } if (!pdf_name_eq(ctx, PDF_NAME(Standard), obj)) @@ -807,6 +815,8 @@ pdf_needs_password(fz_context *ctx, pdf_document *doc) { if (!doc->crypt) return 0; + if (doc->crypt->xjc) + return 0; if (pdf_authenticate_password(ctx, doc, "")) return 0; return 1; @@ -1043,6 +1053,7 @@ pdf_open_crypt(fz_context *ctx, fz_stream *chain, pdf_crypt *crypt, int num, int fz_stream * pdf_open_crypt_with_filter(fz_context *ctx, fz_stream *chain, pdf_crypt *crypt, pdf_obj *name, int num, int gen) { + fz_warn(ctx, "pdf_open_crypt_with_filter\n"); if (!pdf_name_eq(ctx, name, PDF_NAME(Identity))) { pdf_crypt_filter cf; |