Add corrupt PKCS #7 test files

Generated by running "make <filename>" and commiting the result.

Signed-off-by: Dave Rodgman <dave.rodgman@arm.com>
diff --git a/tests/data_files/pkcs7_data_signed_badsigner1_badsize.der b/tests/data_files/pkcs7_data_signed_badsigner1_badsize.der
new file mode 100644
index 0000000..da7f3a9
--- /dev/null
+++ b/tests/data_files/pkcs7_data_signed_badsigner1_badsize.der
Binary files differ
diff --git a/tests/data_files/pkcs7_data_signed_badsigner1_badtag.der b/tests/data_files/pkcs7_data_signed_badsigner1_badtag.der
new file mode 100644
index 0000000..402b910
--- /dev/null
+++ b/tests/data_files/pkcs7_data_signed_badsigner1_badtag.der
Binary files differ
diff --git a/tests/data_files/pkcs7_data_signed_badsigner1_fuzzbad.der b/tests/data_files/pkcs7_data_signed_badsigner1_fuzzbad.der
new file mode 100644
index 0000000..e19c54a
--- /dev/null
+++ b/tests/data_files/pkcs7_data_signed_badsigner1_fuzzbad.der
Binary files differ
diff --git a/tests/data_files/pkcs7_data_signed_badsigner2_badsize.der b/tests/data_files/pkcs7_data_signed_badsigner2_badsize.der
new file mode 100644
index 0000000..6b12b80
--- /dev/null
+++ b/tests/data_files/pkcs7_data_signed_badsigner2_badsize.der
Binary files differ
diff --git a/tests/data_files/pkcs7_data_signed_badsigner2_badtag.der b/tests/data_files/pkcs7_data_signed_badsigner2_badtag.der
new file mode 100644
index 0000000..7929444
--- /dev/null
+++ b/tests/data_files/pkcs7_data_signed_badsigner2_badtag.der
Binary files differ
diff --git a/tests/data_files/pkcs7_data_signed_badsigner2_fuzzbad.der b/tests/data_files/pkcs7_data_signed_badsigner2_fuzzbad.der
new file mode 100644
index 0000000..b52bb78
--- /dev/null
+++ b/tests/data_files/pkcs7_data_signed_badsigner2_fuzzbad.der
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