diff options
Diffstat (limited to 'source/pdf/pdf-signature.c')
| -rw-r--r-- | source/pdf/pdf-signature.c | 15 |
1 files changed, 2 insertions, 13 deletions
diff --git a/source/pdf/pdf-signature.c b/source/pdf/pdf-signature.c index 511023c1..3d96a261 100644 --- a/source/pdf/pdf-signature.c +++ b/source/pdf/pdf-signature.c @@ -79,8 +79,6 @@ void pdf_write_digest(fz_context *ctx, fz_output *out, pdf_obj *byte_range, int int pdf_check_signature(fz_context *ctx, pdf_document *doc, pdf_widget *widget, char *ebuf, int ebufsize) { - fz_range *byte_range = NULL; - int byte_range_len; fz_stream *bytes = NULL; char *contents = NULL; int contents_len; @@ -94,24 +92,16 @@ int pdf_check_signature(fz_context *ctx, pdf_document *doc, pdf_widget *widget, return 0; } - fz_var(byte_range); fz_var(bytes); fz_var(res); fz_try(ctx) { - byte_range_len = pdf_signature_widget_byte_range(ctx, doc, widget, NULL); - if (byte_range_len) - { - byte_range = fz_calloc(ctx, byte_range_len, sizeof(*byte_range)); - pdf_signature_widget_byte_range(ctx, doc, widget, byte_range); - } - contents_len = pdf_signature_widget_contents(ctx, doc, widget, &contents); - if (byte_range && contents) + if (contents) { SignatureError err; - bytes = fz_open_null_n(ctx, fz_keep_stream(ctx, doc->file), byte_range, byte_range_len); + bytes = pdf_signature_widget_hash_bytes(ctx, doc, widget); err = pdf_pkcs7_check_digest(ctx, bytes, contents, contents_len); if (err == SignatureError_Okay) err = pdf_pkcs7_check_certificate(contents, contents_len); @@ -176,7 +166,6 @@ int pdf_check_signature(fz_context *ctx, pdf_document *doc, pdf_widget *widget, fz_always(ctx) { fz_drop_stream(ctx, bytes); - fz_free(ctx, byte_range); } fz_catch(ctx) { |