Move most PKCS #7 test data to files

This will make it more easier to run against some equivalent CMS tests,
and is also just easier to work with.

The file extensions come from S/MIME, which defines .p7s for an external
signature (what these are) and .p7c for a signed data that only contains
certificates with no signature.

Change-Id: I96e529b1e8c26c323d805aa323e0008ac56615cd
Reviewed-on: https://boringssl-review.googlesource.com/c/boringssl/+/78451
Reviewed-by: Adam Langley <agl@google.com>
Commit-Queue: David Benjamin <davidben@google.com>
Auto-Submit: David Benjamin <davidben@google.com>
diff --git a/build.json b/build.json
index 92eff63..567d72a 100644
--- a/build.json
+++ b/build.json
@@ -910,6 +910,9 @@
             "crypto/mlkem/mlkem768_keygen_tests.txt",
             "crypto/mlkem/mlkem768_nist_decap_tests.txt",
             "crypto/mlkem/mlkem768_nist_keygen_tests.txt",
+            "crypto/pkcs7/test/*.p7c",
+            "crypto/pkcs7/test/*.p7s",
+            "crypto/pkcs7/test/*.pem",
             "crypto/pkcs8/test/*.p12",
             "crypto/poly1305/poly1305_tests.txt",
             "crypto/siphash/siphash_tests.txt",
diff --git a/crypto/pkcs7/pkcs7_test.cc b/crypto/pkcs7/pkcs7_test.cc
index 168a7c2..6b450c3 100644
--- a/crypto/pkcs7/pkcs7_test.cc
+++ b/crypto/pkcs7/pkcs7_test.cc
@@ -19,403 +19,15 @@
 #include <openssl/mem.h>
 #include <openssl/pem.h>
 #include <openssl/pkcs7.h>
+#include <openssl/span.h>
 #include <openssl/stack.h>
 #include <openssl/x509.h>
 
 #include "../internal.h"
+#include "../test/test_data.h"
 #include "../test/test_util.h"
 
 
-// kPKCS7NSS contains the certificate chain of mail.google.com, as saved by NSS
-// using the Chrome UI.
-static const uint8_t kPKCS7NSS[] = {
-    0x30, 0x80, 0x06, 0x09, 0x2a, 0x86, 0x48, 0x86, 0xf7, 0x0d, 0x01, 0x07,
-    0x02, 0xa0, 0x80, 0x30, 0x80, 0x02, 0x01, 0x01, 0x31, 0x00, 0x30, 0x80,
-    0x06, 0x09, 0x2a, 0x86, 0x48, 0x86, 0xf7, 0x0d, 0x01, 0x07, 0x01, 0x00,
-    0x00, 0xa0, 0x82, 0x0b, 0x1e, 0x30, 0x82, 0x03, 0x54, 0x30, 0x82, 0x02,
-    0x3c, 0xa0, 0x03, 0x02, 0x01, 0x02, 0x02, 0x03, 0x02, 0x34, 0x56, 0x30,
-    0x0d, 0x06, 0x09, 0x2a, 0x86, 0x48, 0x86, 0xf7, 0x0d, 0x01, 0x01, 0x05,
-    0x05, 0x00, 0x30, 0x42, 0x31, 0x0b, 0x30, 0x09, 0x06, 0x03, 0x55, 0x04,
-    0x06, 0x13, 0x02, 0x55, 0x53, 0x31, 0x16, 0x30, 0x14, 0x06, 0x03, 0x55,
-    0x04, 0x0a, 0x13, 0x0d, 0x47, 0x65, 0x6f, 0x54, 0x72, 0x75, 0x73, 0x74,
-    0x20, 0x49, 0x6e, 0x63, 0x2e, 0x31, 0x1b, 0x30, 0x19, 0x06, 0x03, 0x55,
-    0x04, 0x03, 0x13, 0x12, 0x47, 0x65, 0x6f, 0x54, 0x72, 0x75, 0x73, 0x74,
-    0x20, 0x47, 0x6c, 0x6f, 0x62, 0x61, 0x6c, 0x20, 0x43, 0x41, 0x30, 0x1e,
-    0x17, 0x0d, 0x30, 0x32, 0x30, 0x35, 0x32, 0x31, 0x30, 0x34, 0x30, 0x30,
-    0x30, 0x30, 0x5a, 0x17, 0x0d, 0x32, 0x32, 0x30, 0x35, 0x32, 0x31, 0x30,
-    0x34, 0x30, 0x30, 0x30, 0x30, 0x5a, 0x30, 0x42, 0x31, 0x0b, 0x30, 0x09,
-    0x06, 0x03, 0x55, 0x04, 0x06, 0x13, 0x02, 0x55, 0x53, 0x31, 0x16, 0x30,
-    0x14, 0x06, 0x03, 0x55, 0x04, 0x0a, 0x13, 0x0d, 0x47, 0x65, 0x6f, 0x54,
-    0x72, 0x75, 0x73, 0x74, 0x20, 0x49, 0x6e, 0x63, 0x2e, 0x31, 0x1b, 0x30,
-    0x19, 0x06, 0x03, 0x55, 0x04, 0x03, 0x13, 0x12, 0x47, 0x65, 0x6f, 0x54,
-    0x72, 0x75, 0x73, 0x74, 0x20, 0x47, 0x6c, 0x6f, 0x62, 0x61, 0x6c, 0x20,
-    0x43, 0x41, 0x30, 0x82, 0x01, 0x22, 0x30, 0x0d, 0x06, 0x09, 0x2a, 0x86,
-    0x48, 0x86, 0xf7, 0x0d, 0x01, 0x01, 0x01, 0x05, 0x00, 0x03, 0x82, 0x01,
-    0x0f, 0x00, 0x30, 0x82, 0x01, 0x0a, 0x02, 0x82, 0x01, 0x01, 0x00, 0xda,
-    0xcc, 0x18, 0x63, 0x30, 0xfd, 0xf4, 0x17, 0x23, 0x1a, 0x56, 0x7e, 0x5b,
-    0xdf, 0x3c, 0x6c, 0x38, 0xe4, 0x71, 0xb7, 0x78, 0x91, 0xd4, 0xbc, 0xa1,
-    0xd8, 0x4c, 0xf8, 0xa8, 0x43, 0xb6, 0x03, 0xe9, 0x4d, 0x21, 0x07, 0x08,
-    0x88, 0xda, 0x58, 0x2f, 0x66, 0x39, 0x29, 0xbd, 0x05, 0x78, 0x8b, 0x9d,
-    0x38, 0xe8, 0x05, 0xb7, 0x6a, 0x7e, 0x71, 0xa4, 0xe6, 0xc4, 0x60, 0xa6,
-    0xb0, 0xef, 0x80, 0xe4, 0x89, 0x28, 0x0f, 0x9e, 0x25, 0xd6, 0xed, 0x83,
-    0xf3, 0xad, 0xa6, 0x91, 0xc7, 0x98, 0xc9, 0x42, 0x18, 0x35, 0x14, 0x9d,
-    0xad, 0x98, 0x46, 0x92, 0x2e, 0x4f, 0xca, 0xf1, 0x87, 0x43, 0xc1, 0x16,
-    0x95, 0x57, 0x2d, 0x50, 0xef, 0x89, 0x2d, 0x80, 0x7a, 0x57, 0xad, 0xf2,
-    0xee, 0x5f, 0x6b, 0xd2, 0x00, 0x8d, 0xb9, 0x14, 0xf8, 0x14, 0x15, 0x35,
-    0xd9, 0xc0, 0x46, 0xa3, 0x7b, 0x72, 0xc8, 0x91, 0xbf, 0xc9, 0x55, 0x2b,
-    0xcd, 0xd0, 0x97, 0x3e, 0x9c, 0x26, 0x64, 0xcc, 0xdf, 0xce, 0x83, 0x19,
-    0x71, 0xca, 0x4e, 0xe6, 0xd4, 0xd5, 0x7b, 0xa9, 0x19, 0xcd, 0x55, 0xde,
-    0xc8, 0xec, 0xd2, 0x5e, 0x38, 0x53, 0xe5, 0x5c, 0x4f, 0x8c, 0x2d, 0xfe,
-    0x50, 0x23, 0x36, 0xfc, 0x66, 0xe6, 0xcb, 0x8e, 0xa4, 0x39, 0x19, 0x00,
-    0xb7, 0x95, 0x02, 0x39, 0x91, 0x0b, 0x0e, 0xfe, 0x38, 0x2e, 0xd1, 0x1d,
-    0x05, 0x9a, 0xf6, 0x4d, 0x3e, 0x6f, 0x0f, 0x07, 0x1d, 0xaf, 0x2c, 0x1e,
-    0x8f, 0x60, 0x39, 0xe2, 0xfa, 0x36, 0x53, 0x13, 0x39, 0xd4, 0x5e, 0x26,
-    0x2b, 0xdb, 0x3d, 0xa8, 0x14, 0xbd, 0x32, 0xeb, 0x18, 0x03, 0x28, 0x52,
-    0x04, 0x71, 0xe5, 0xab, 0x33, 0x3d, 0xe1, 0x38, 0xbb, 0x07, 0x36, 0x84,
-    0x62, 0x9c, 0x79, 0xea, 0x16, 0x30, 0xf4, 0x5f, 0xc0, 0x2b, 0xe8, 0x71,
-    0x6b, 0xe4, 0xf9, 0x02, 0x03, 0x01, 0x00, 0x01, 0xa3, 0x53, 0x30, 0x51,
-    0x30, 0x0f, 0x06, 0x03, 0x55, 0x1d, 0x13, 0x01, 0x01, 0xff, 0x04, 0x05,
-    0x30, 0x03, 0x01, 0x01, 0xff, 0x30, 0x1d, 0x06, 0x03, 0x55, 0x1d, 0x0e,
-    0x04, 0x16, 0x04, 0x14, 0xc0, 0x7a, 0x98, 0x68, 0x8d, 0x89, 0xfb, 0xab,
-    0x05, 0x64, 0x0c, 0x11, 0x7d, 0xaa, 0x7d, 0x65, 0xb8, 0xca, 0xcc, 0x4e,
-    0x30, 0x1f, 0x06, 0x03, 0x55, 0x1d, 0x23, 0x04, 0x18, 0x30, 0x16, 0x80,
-    0x14, 0xc0, 0x7a, 0x98, 0x68, 0x8d, 0x89, 0xfb, 0xab, 0x05, 0x64, 0x0c,
-    0x11, 0x7d, 0xaa, 0x7d, 0x65, 0xb8, 0xca, 0xcc, 0x4e, 0x30, 0x0d, 0x06,
-    0x09, 0x2a, 0x86, 0x48, 0x86, 0xf7, 0x0d, 0x01, 0x01, 0x05, 0x05, 0x00,
-    0x03, 0x82, 0x01, 0x01, 0x00, 0x35, 0xe3, 0x29, 0x6a, 0xe5, 0x2f, 0x5d,
-    0x54, 0x8e, 0x29, 0x50, 0x94, 0x9f, 0x99, 0x1a, 0x14, 0xe4, 0x8f, 0x78,
-    0x2a, 0x62, 0x94, 0xa2, 0x27, 0x67, 0x9e, 0xd0, 0xcf, 0x1a, 0x5e, 0x47,
-    0xe9, 0xc1, 0xb2, 0xa4, 0xcf, 0xdd, 0x41, 0x1a, 0x05, 0x4e, 0x9b, 0x4b,
-    0xee, 0x4a, 0x6f, 0x55, 0x52, 0xb3, 0x24, 0xa1, 0x37, 0x0a, 0xeb, 0x64,
-    0x76, 0x2a, 0x2e, 0x2c, 0xf3, 0xfd, 0x3b, 0x75, 0x90, 0xbf, 0xfa, 0x71,
-    0xd8, 0xc7, 0x3d, 0x37, 0xd2, 0xb5, 0x05, 0x95, 0x62, 0xb9, 0xa6, 0xde,
-    0x89, 0x3d, 0x36, 0x7b, 0x38, 0x77, 0x48, 0x97, 0xac, 0xa6, 0x20, 0x8f,
-    0x2e, 0xa6, 0xc9, 0x0c, 0xc2, 0xb2, 0x99, 0x45, 0x00, 0xc7, 0xce, 0x11,
-    0x51, 0x22, 0x22, 0xe0, 0xa5, 0xea, 0xb6, 0x15, 0x48, 0x09, 0x64, 0xea,
-    0x5e, 0x4f, 0x74, 0xf7, 0x05, 0x3e, 0xc7, 0x8a, 0x52, 0x0c, 0xdb, 0x15,
-    0xb4, 0xbd, 0x6d, 0x9b, 0xe5, 0xc6, 0xb1, 0x54, 0x68, 0xa9, 0xe3, 0x69,
-    0x90, 0xb6, 0x9a, 0xa5, 0x0f, 0xb8, 0xb9, 0x3f, 0x20, 0x7d, 0xae, 0x4a,
-    0xb5, 0xb8, 0x9c, 0xe4, 0x1d, 0xb6, 0xab, 0xe6, 0x94, 0xa5, 0xc1, 0xc7,
-    0x83, 0xad, 0xdb, 0xf5, 0x27, 0x87, 0x0e, 0x04, 0x6c, 0xd5, 0xff, 0xdd,
-    0xa0, 0x5d, 0xed, 0x87, 0x52, 0xb7, 0x2b, 0x15, 0x02, 0xae, 0x39, 0xa6,
-    0x6a, 0x74, 0xe9, 0xda, 0xc4, 0xe7, 0xbc, 0x4d, 0x34, 0x1e, 0xa9, 0x5c,
-    0x4d, 0x33, 0x5f, 0x92, 0x09, 0x2f, 0x88, 0x66, 0x5d, 0x77, 0x97, 0xc7,
-    0x1d, 0x76, 0x13, 0xa9, 0xd5, 0xe5, 0xf1, 0x16, 0x09, 0x11, 0x35, 0xd5,
-    0xac, 0xdb, 0x24, 0x71, 0x70, 0x2c, 0x98, 0x56, 0x0b, 0xd9, 0x17, 0xb4,
-    0xd1, 0xe3, 0x51, 0x2b, 0x5e, 0x75, 0xe8, 0xd5, 0xd0, 0xdc, 0x4f, 0x34,
-    0xed, 0xc2, 0x05, 0x66, 0x80, 0xa1, 0xcb, 0xe6, 0x33, 0x30, 0x82, 0x03,
-    0xba, 0x30, 0x82, 0x02, 0xa2, 0xa0, 0x03, 0x02, 0x01, 0x02, 0x02, 0x08,
-    0x3e, 0xa3, 0xe4, 0x78, 0x99, 0x38, 0x13, 0x9d, 0x30, 0x0d, 0x06, 0x09,
-    0x2a, 0x86, 0x48, 0x86, 0xf7, 0x0d, 0x01, 0x01, 0x05, 0x05, 0x00, 0x30,
-    0x49, 0x31, 0x0b, 0x30, 0x09, 0x06, 0x03, 0x55, 0x04, 0x06, 0x13, 0x02,
-    0x55, 0x53, 0x31, 0x13, 0x30, 0x11, 0x06, 0x03, 0x55, 0x04, 0x0a, 0x13,
-    0x0a, 0x47, 0x6f, 0x6f, 0x67, 0x6c, 0x65, 0x20, 0x49, 0x6e, 0x63, 0x31,
-    0x25, 0x30, 0x23, 0x06, 0x03, 0x55, 0x04, 0x03, 0x13, 0x1c, 0x47, 0x6f,
-    0x6f, 0x67, 0x6c, 0x65, 0x20, 0x49, 0x6e, 0x74, 0x65, 0x72, 0x6e, 0x65,
-    0x74, 0x20, 0x41, 0x75, 0x74, 0x68, 0x6f, 0x72, 0x69, 0x74, 0x79, 0x20,
-    0x47, 0x32, 0x30, 0x1e, 0x17, 0x0d, 0x31, 0x34, 0x30, 0x37, 0x31, 0x36,
-    0x31, 0x32, 0x32, 0x31, 0x34, 0x30, 0x5a, 0x17, 0x0d, 0x31, 0x34, 0x31,
-    0x30, 0x31, 0x34, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x5a, 0x30, 0x69,
-    0x31, 0x0b, 0x30, 0x09, 0x06, 0x03, 0x55, 0x04, 0x06, 0x13, 0x02, 0x55,
-    0x53, 0x31, 0x13, 0x30, 0x11, 0x06, 0x03, 0x55, 0x04, 0x08, 0x0c, 0x0a,
-    0x43, 0x61, 0x6c, 0x69, 0x66, 0x6f, 0x72, 0x6e, 0x69, 0x61, 0x31, 0x16,
-    0x30, 0x14, 0x06, 0x03, 0x55, 0x04, 0x07, 0x0c, 0x0d, 0x4d, 0x6f, 0x75,
-    0x6e, 0x74, 0x61, 0x69, 0x6e, 0x20, 0x56, 0x69, 0x65, 0x77, 0x31, 0x13,
-    0x30, 0x11, 0x06, 0x03, 0x55, 0x04, 0x0a, 0x0c, 0x0a, 0x47, 0x6f, 0x6f,
-    0x67, 0x6c, 0x65, 0x20, 0x49, 0x6e, 0x63, 0x31, 0x18, 0x30, 0x16, 0x06,
-    0x03, 0x55, 0x04, 0x03, 0x0c, 0x0f, 0x6d, 0x61, 0x69, 0x6c, 0x2e, 0x67,
-    0x6f, 0x6f, 0x67, 0x6c, 0x65, 0x2e, 0x63, 0x6f, 0x6d, 0x30, 0x59, 0x30,
-    0x13, 0x06, 0x07, 0x2a, 0x86, 0x48, 0xce, 0x3d, 0x02, 0x01, 0x06, 0x08,
-    0x2a, 0x86, 0x48, 0xce, 0x3d, 0x03, 0x01, 0x07, 0x03, 0x42, 0x00, 0x04,
-    0xb2, 0x68, 0x6e, 0x3f, 0x03, 0x9e, 0x43, 0x85, 0x16, 0xb7, 0x89, 0x0b,
-    0x16, 0x2a, 0xbe, 0x26, 0x36, 0xdd, 0x68, 0x0a, 0x53, 0x4e, 0x20, 0x40,
-    0xf8, 0xd1, 0xdd, 0x63, 0xcb, 0x46, 0x73, 0x09, 0x96, 0x36, 0xde, 0x2c,
-    0x45, 0x71, 0x2e, 0x8a, 0x79, 0xeb, 0x40, 0x2f, 0x65, 0x83, 0x81, 0xdb,
-    0x37, 0x03, 0x84, 0xa1, 0x9a, 0xd0, 0x22, 0x3b, 0x73, 0x38, 0x45, 0xd3,
-    0xd5, 0x91, 0xb2, 0x52, 0xa3, 0x82, 0x01, 0x4f, 0x30, 0x82, 0x01, 0x4b,
-    0x30, 0x1d, 0x06, 0x03, 0x55, 0x1d, 0x25, 0x04, 0x16, 0x30, 0x14, 0x06,
-    0x08, 0x2b, 0x06, 0x01, 0x05, 0x05, 0x07, 0x03, 0x01, 0x06, 0x08, 0x2b,
-    0x06, 0x01, 0x05, 0x05, 0x07, 0x03, 0x02, 0x30, 0x1a, 0x06, 0x03, 0x55,
-    0x1d, 0x11, 0x04, 0x13, 0x30, 0x11, 0x82, 0x0f, 0x6d, 0x61, 0x69, 0x6c,
-    0x2e, 0x67, 0x6f, 0x6f, 0x67, 0x6c, 0x65, 0x2e, 0x63, 0x6f, 0x6d, 0x30,
-    0x0b, 0x06, 0x03, 0x55, 0x1d, 0x0f, 0x04, 0x04, 0x03, 0x02, 0x07, 0x80,
-    0x30, 0x68, 0x06, 0x08, 0x2b, 0x06, 0x01, 0x05, 0x05, 0x07, 0x01, 0x01,
-    0x04, 0x5c, 0x30, 0x5a, 0x30, 0x2b, 0x06, 0x08, 0x2b, 0x06, 0x01, 0x05,
-    0x05, 0x07, 0x30, 0x02, 0x86, 0x1f, 0x68, 0x74, 0x74, 0x70, 0x3a, 0x2f,
-    0x2f, 0x70, 0x6b, 0x69, 0x2e, 0x67, 0x6f, 0x6f, 0x67, 0x6c, 0x65, 0x2e,
-    0x63, 0x6f, 0x6d, 0x2f, 0x47, 0x49, 0x41, 0x47, 0x32, 0x2e, 0x63, 0x72,
-    0x74, 0x30, 0x2b, 0x06, 0x08, 0x2b, 0x06, 0x01, 0x05, 0x05, 0x07, 0x30,
-    0x01, 0x86, 0x1f, 0x68, 0x74, 0x74, 0x70, 0x3a, 0x2f, 0x2f, 0x63, 0x6c,
-    0x69, 0x65, 0x6e, 0x74, 0x73, 0x31, 0x2e, 0x67, 0x6f, 0x6f, 0x67, 0x6c,
-    0x65, 0x2e, 0x63, 0x6f, 0x6d, 0x2f, 0x6f, 0x63, 0x73, 0x70, 0x30, 0x1d,
-    0x06, 0x03, 0x55, 0x1d, 0x0e, 0x04, 0x16, 0x04, 0x14, 0x75, 0xc6, 0xb0,
-    0x4a, 0x46, 0x61, 0x83, 0xff, 0x91, 0x46, 0x45, 0x35, 0xa7, 0x0f, 0xd0,
-    0x5b, 0xe9, 0xdd, 0x94, 0x1b, 0x30, 0x0c, 0x06, 0x03, 0x55, 0x1d, 0x13,
-    0x01, 0x01, 0xff, 0x04, 0x02, 0x30, 0x00, 0x30, 0x1f, 0x06, 0x03, 0x55,
-    0x1d, 0x23, 0x04, 0x18, 0x30, 0x16, 0x80, 0x14, 0x4a, 0xdd, 0x06, 0x16,
-    0x1b, 0xbc, 0xf6, 0x68, 0xb5, 0x76, 0xf5, 0x81, 0xb6, 0xbb, 0x62, 0x1a,
-    0xba, 0x5a, 0x81, 0x2f, 0x30, 0x17, 0x06, 0x03, 0x55, 0x1d, 0x20, 0x04,
-    0x10, 0x30, 0x0e, 0x30, 0x0c, 0x06, 0x0a, 0x2b, 0x06, 0x01, 0x04, 0x01,
-    0xd6, 0x79, 0x02, 0x05, 0x01, 0x30, 0x30, 0x06, 0x03, 0x55, 0x1d, 0x1f,
-    0x04, 0x29, 0x30, 0x27, 0x30, 0x25, 0xa0, 0x23, 0xa0, 0x21, 0x86, 0x1f,
-    0x68, 0x74, 0x74, 0x70, 0x3a, 0x2f, 0x2f, 0x70, 0x6b, 0x69, 0x2e, 0x67,
-    0x6f, 0x6f, 0x67, 0x6c, 0x65, 0x2e, 0x63, 0x6f, 0x6d, 0x2f, 0x47, 0x49,
-    0x41, 0x47, 0x32, 0x2e, 0x63, 0x72, 0x6c, 0x30, 0x0d, 0x06, 0x09, 0x2a,
-    0x86, 0x48, 0x86, 0xf7, 0x0d, 0x01, 0x01, 0x05, 0x05, 0x00, 0x03, 0x82,
-    0x01, 0x01, 0x00, 0x7f, 0x41, 0xf5, 0x57, 0x18, 0x3c, 0x75, 0xf5, 0x23,
-    0x66, 0xc3, 0xf0, 0xf2, 0x3e, 0x70, 0x34, 0x56, 0xca, 0x78, 0xec, 0xc7,
-    0x81, 0x58, 0x0d, 0xdf, 0xf0, 0xfd, 0x86, 0xe6, 0xe6, 0x50, 0x3d, 0xf6,
-    0x09, 0x9a, 0x4d, 0xca, 0x60, 0x37, 0x9a, 0xd4, 0xca, 0x51, 0x7c, 0xf0,
-    0x66, 0x23, 0xea, 0x5e, 0x6a, 0x6f, 0x7b, 0xa6, 0x7a, 0x38, 0x97, 0x42,
-    0x58, 0x1a, 0x1b, 0x42, 0xae, 0x28, 0xde, 0x18, 0x7f, 0xcc, 0x76, 0x18,
-    0x58, 0x05, 0xbf, 0xea, 0xef, 0x14, 0xad, 0x34, 0xe5, 0x5f, 0x25, 0xab,
-    0xa1, 0x5f, 0x78, 0x5b, 0x6f, 0xe6, 0x69, 0xd8, 0x74, 0x8c, 0x19, 0x59,
-    0xb0, 0x1a, 0xfb, 0x8e, 0xdf, 0x61, 0xac, 0xeb, 0x2b, 0x0a, 0x1c, 0xab,
-    0x30, 0x0d, 0x64, 0x25, 0x78, 0xdf, 0x81, 0x71, 0xe3, 0xbd, 0xde, 0x9c,
-    0x3f, 0xdd, 0xe9, 0xf8, 0xb6, 0x98, 0x2d, 0x13, 0xa3, 0x7b, 0x14, 0x6f,
-    0xe3, 0x8b, 0xfc, 0x4e, 0x31, 0x26, 0xba, 0x10, 0xb4, 0x12, 0xe9, 0xc9,
-    0x49, 0x60, 0xf0, 0xaa, 0x1f, 0x44, 0x68, 0x19, 0xd2, 0xb3, 0xc8, 0x46,
-    0x22, 0x6b, 0xe1, 0x21, 0x77, 0xfd, 0x72, 0x33, 0x13, 0x21, 0x27, 0x81,
-    0xe4, 0x7a, 0xc9, 0xe4, 0x1c, 0x05, 0x04, 0x73, 0x13, 0xda, 0x47, 0xfe,
-    0x59, 0x41, 0x9c, 0x11, 0xc5, 0xf6, 0xb5, 0xd0, 0x01, 0xcb, 0x40, 0x19,
-    0xf5, 0xfe, 0xb3, 0x3c, 0x1f, 0x61, 0x8f, 0x4d, 0xdb, 0x81, 0x2a, 0x8a,
-    0xed, 0xb8, 0x53, 0xc7, 0x19, 0x6b, 0xfa, 0x8b, 0xfc, 0xe3, 0x2e, 0x12,
-    0x4e, 0xbd, 0xc5, 0x44, 0x9d, 0x1c, 0x7f, 0x3b, 0x09, 0x51, 0xd7, 0x0a,
-    0x0f, 0x22, 0x0a, 0xfd, 0x8c, 0x90, 0x14, 0xed, 0x10, 0xcb, 0x50, 0xcf,
-    0xa5, 0x45, 0xce, 0xb0, 0x21, 0x28, 0xcb, 0xd6, 0xf5, 0x6e, 0xb2, 0x3e,
-    0xfa, 0x35, 0x0c, 0x3d, 0x09, 0x0d, 0x81, 0x30, 0x82, 0x04, 0x04, 0x30,
-    0x82, 0x02, 0xec, 0xa0, 0x03, 0x02, 0x01, 0x02, 0x02, 0x03, 0x02, 0x3a,
-    0x69, 0x30, 0x0d, 0x06, 0x09, 0x2a, 0x86, 0x48, 0x86, 0xf7, 0x0d, 0x01,
-    0x01, 0x05, 0x05, 0x00, 0x30, 0x42, 0x31, 0x0b, 0x30, 0x09, 0x06, 0x03,
-    0x55, 0x04, 0x06, 0x13, 0x02, 0x55, 0x53, 0x31, 0x16, 0x30, 0x14, 0x06,
-    0x03, 0x55, 0x04, 0x0a, 0x13, 0x0d, 0x47, 0x65, 0x6f, 0x54, 0x72, 0x75,
-    0x73, 0x74, 0x20, 0x49, 0x6e, 0x63, 0x2e, 0x31, 0x1b, 0x30, 0x19, 0x06,
-    0x03, 0x55, 0x04, 0x03, 0x13, 0x12, 0x47, 0x65, 0x6f, 0x54, 0x72, 0x75,
-    0x73, 0x74, 0x20, 0x47, 0x6c, 0x6f, 0x62, 0x61, 0x6c, 0x20, 0x43, 0x41,
-    0x30, 0x1e, 0x17, 0x0d, 0x31, 0x33, 0x30, 0x34, 0x30, 0x35, 0x31, 0x35,
-    0x31, 0x35, 0x35, 0x35, 0x5a, 0x17, 0x0d, 0x31, 0x35, 0x30, 0x34, 0x30,
-    0x34, 0x31, 0x35, 0x31, 0x35, 0x35, 0x35, 0x5a, 0x30, 0x49, 0x31, 0x0b,
-    0x30, 0x09, 0x06, 0x03, 0x55, 0x04, 0x06, 0x13, 0x02, 0x55, 0x53, 0x31,
-    0x13, 0x30, 0x11, 0x06, 0x03, 0x55, 0x04, 0x0a, 0x13, 0x0a, 0x47, 0x6f,
-    0x6f, 0x67, 0x6c, 0x65, 0x20, 0x49, 0x6e, 0x63, 0x31, 0x25, 0x30, 0x23,
-    0x06, 0x03, 0x55, 0x04, 0x03, 0x13, 0x1c, 0x47, 0x6f, 0x6f, 0x67, 0x6c,
-    0x65, 0x20, 0x49, 0x6e, 0x74, 0x65, 0x72, 0x6e, 0x65, 0x74, 0x20, 0x41,
-    0x75, 0x74, 0x68, 0x6f, 0x72, 0x69, 0x74, 0x79, 0x20, 0x47, 0x32, 0x30,
-    0x82, 0x01, 0x22, 0x30, 0x0d, 0x06, 0x09, 0x2a, 0x86, 0x48, 0x86, 0xf7,
-    0x0d, 0x01, 0x01, 0x01, 0x05, 0x00, 0x03, 0x82, 0x01, 0x0f, 0x00, 0x30,
-    0x82, 0x01, 0x0a, 0x02, 0x82, 0x01, 0x01, 0x00, 0x9c, 0x2a, 0x04, 0x77,
-    0x5c, 0xd8, 0x50, 0x91, 0x3a, 0x06, 0xa3, 0x82, 0xe0, 0xd8, 0x50, 0x48,
-    0xbc, 0x89, 0x3f, 0xf1, 0x19, 0x70, 0x1a, 0x88, 0x46, 0x7e, 0xe0, 0x8f,
-    0xc5, 0xf1, 0x89, 0xce, 0x21, 0xee, 0x5a, 0xfe, 0x61, 0x0d, 0xb7, 0x32,
-    0x44, 0x89, 0xa0, 0x74, 0x0b, 0x53, 0x4f, 0x55, 0xa4, 0xce, 0x82, 0x62,
-    0x95, 0xee, 0xeb, 0x59, 0x5f, 0xc6, 0xe1, 0x05, 0x80, 0x12, 0xc4, 0x5e,
-    0x94, 0x3f, 0xbc, 0x5b, 0x48, 0x38, 0xf4, 0x53, 0xf7, 0x24, 0xe6, 0xfb,
-    0x91, 0xe9, 0x15, 0xc4, 0xcf, 0xf4, 0x53, 0x0d, 0xf4, 0x4a, 0xfc, 0x9f,
-    0x54, 0xde, 0x7d, 0xbe, 0xa0, 0x6b, 0x6f, 0x87, 0xc0, 0xd0, 0x50, 0x1f,
-    0x28, 0x30, 0x03, 0x40, 0xda, 0x08, 0x73, 0x51, 0x6c, 0x7f, 0xff, 0x3a,
-    0x3c, 0xa7, 0x37, 0x06, 0x8e, 0xbd, 0x4b, 0x11, 0x04, 0xeb, 0x7d, 0x24,
-    0xde, 0xe6, 0xf9, 0xfc, 0x31, 0x71, 0xfb, 0x94, 0xd5, 0x60, 0xf3, 0x2e,
-    0x4a, 0xaf, 0x42, 0xd2, 0xcb, 0xea, 0xc4, 0x6a, 0x1a, 0xb2, 0xcc, 0x53,
-    0xdd, 0x15, 0x4b, 0x8b, 0x1f, 0xc8, 0x19, 0x61, 0x1f, 0xcd, 0x9d, 0xa8,
-    0x3e, 0x63, 0x2b, 0x84, 0x35, 0x69, 0x65, 0x84, 0xc8, 0x19, 0xc5, 0x46,
-    0x22, 0xf8, 0x53, 0x95, 0xbe, 0xe3, 0x80, 0x4a, 0x10, 0xc6, 0x2a, 0xec,
-    0xba, 0x97, 0x20, 0x11, 0xc7, 0x39, 0x99, 0x10, 0x04, 0xa0, 0xf0, 0x61,
-    0x7a, 0x95, 0x25, 0x8c, 0x4e, 0x52, 0x75, 0xe2, 0xb6, 0xed, 0x08, 0xca,
-    0x14, 0xfc, 0xce, 0x22, 0x6a, 0xb3, 0x4e, 0xcf, 0x46, 0x03, 0x97, 0x97,
-    0x03, 0x7e, 0xc0, 0xb1, 0xde, 0x7b, 0xaf, 0x45, 0x33, 0xcf, 0xba, 0x3e,
-    0x71, 0xb7, 0xde, 0xf4, 0x25, 0x25, 0xc2, 0x0d, 0x35, 0x89, 0x9d, 0x9d,
-    0xfb, 0x0e, 0x11, 0x79, 0x89, 0x1e, 0x37, 0xc5, 0xaf, 0x8e, 0x72, 0x69,
-    0x02, 0x03, 0x01, 0x00, 0x01, 0xa3, 0x81, 0xfb, 0x30, 0x81, 0xf8, 0x30,
-    0x1f, 0x06, 0x03, 0x55, 0x1d, 0x23, 0x04, 0x18, 0x30, 0x16, 0x80, 0x14,
-    0xc0, 0x7a, 0x98, 0x68, 0x8d, 0x89, 0xfb, 0xab, 0x05, 0x64, 0x0c, 0x11,
-    0x7d, 0xaa, 0x7d, 0x65, 0xb8, 0xca, 0xcc, 0x4e, 0x30, 0x1d, 0x06, 0x03,
-    0x55, 0x1d, 0x0e, 0x04, 0x16, 0x04, 0x14, 0x4a, 0xdd, 0x06, 0x16, 0x1b,
-    0xbc, 0xf6, 0x68, 0xb5, 0x76, 0xf5, 0x81, 0xb6, 0xbb, 0x62, 0x1a, 0xba,
-    0x5a, 0x81, 0x2f, 0x30, 0x12, 0x06, 0x03, 0x55, 0x1d, 0x13, 0x01, 0x01,
-    0xff, 0x04, 0x08, 0x30, 0x06, 0x01, 0x01, 0xff, 0x02, 0x01, 0x00, 0x30,
-    0x0e, 0x06, 0x03, 0x55, 0x1d, 0x0f, 0x01, 0x01, 0xff, 0x04, 0x04, 0x03,
-    0x02, 0x01, 0x06, 0x30, 0x3a, 0x06, 0x03, 0x55, 0x1d, 0x1f, 0x04, 0x33,
-    0x30, 0x31, 0x30, 0x2f, 0xa0, 0x2d, 0xa0, 0x2b, 0x86, 0x29, 0x68, 0x74,
-    0x74, 0x70, 0x3a, 0x2f, 0x2f, 0x63, 0x72, 0x6c, 0x2e, 0x67, 0x65, 0x6f,
-    0x74, 0x72, 0x75, 0x73, 0x74, 0x2e, 0x63, 0x6f, 0x6d, 0x2f, 0x63, 0x72,
-    0x6c, 0x73, 0x2f, 0x67, 0x74, 0x67, 0x6c, 0x6f, 0x62, 0x61, 0x6c, 0x2e,
-    0x63, 0x72, 0x6c, 0x30, 0x3d, 0x06, 0x08, 0x2b, 0x06, 0x01, 0x05, 0x05,
-    0x07, 0x01, 0x01, 0x04, 0x31, 0x30, 0x2f, 0x30, 0x2d, 0x06, 0x08, 0x2b,
-    0x06, 0x01, 0x05, 0x05, 0x07, 0x30, 0x01, 0x86, 0x21, 0x68, 0x74, 0x74,
-    0x70, 0x3a, 0x2f, 0x2f, 0x67, 0x74, 0x67, 0x6c, 0x6f, 0x62, 0x61, 0x6c,
-    0x2d, 0x6f, 0x63, 0x73, 0x70, 0x2e, 0x67, 0x65, 0x6f, 0x74, 0x72, 0x75,
-    0x73, 0x74, 0x2e, 0x63, 0x6f, 0x6d, 0x30, 0x17, 0x06, 0x03, 0x55, 0x1d,
-    0x20, 0x04, 0x10, 0x30, 0x0e, 0x30, 0x0c, 0x06, 0x0a, 0x2b, 0x06, 0x01,
-    0x04, 0x01, 0xd6, 0x79, 0x02, 0x05, 0x01, 0x30, 0x0d, 0x06, 0x09, 0x2a,
-    0x86, 0x48, 0x86, 0xf7, 0x0d, 0x01, 0x01, 0x05, 0x05, 0x00, 0x03, 0x82,
-    0x01, 0x01, 0x00, 0x36, 0xd7, 0x06, 0x80, 0x11, 0x27, 0xad, 0x2a, 0x14,
-    0x9b, 0x38, 0x77, 0xb3, 0x23, 0xa0, 0x75, 0x58, 0xbb, 0xb1, 0x7e, 0x83,
-    0x42, 0xba, 0x72, 0xda, 0x1e, 0xd8, 0x8e, 0x36, 0x06, 0x97, 0xe0, 0xf0,
-    0x95, 0x3b, 0x37, 0xfd, 0x1b, 0x42, 0x58, 0xfe, 0x22, 0xc8, 0x6b, 0xbd,
-    0x38, 0x5e, 0xd1, 0x3b, 0x25, 0x6e, 0x12, 0xeb, 0x5e, 0x67, 0x76, 0x46,
-    0x40, 0x90, 0xda, 0x14, 0xc8, 0x78, 0x0d, 0xed, 0x95, 0x66, 0xda, 0x8e,
-    0x86, 0x6f, 0x80, 0xa1, 0xba, 0x56, 0x32, 0x95, 0x86, 0xdc, 0xdc, 0x6a,
-    0xca, 0x04, 0x8c, 0x5b, 0x7f, 0xf6, 0xbf, 0xcc, 0x6f, 0x85, 0x03, 0x58,
-    0xc3, 0x68, 0x51, 0x13, 0xcd, 0xfd, 0xc8, 0xf7, 0x79, 0x3d, 0x99, 0x35,
-    0xf0, 0x56, 0xa3, 0xbd, 0xe0, 0x59, 0xed, 0x4f, 0x44, 0x09, 0xa3, 0x9e,
-    0x38, 0x7a, 0xf6, 0x46, 0xd1, 0x1d, 0x12, 0x9d, 0x4f, 0xbe, 0xd0, 0x40,
-    0xfc, 0x55, 0xfe, 0x06, 0x5e, 0x3c, 0xda, 0x1c, 0x56, 0xbd, 0x96, 0x51,
-    0x7b, 0x6f, 0x57, 0x2a, 0xdb, 0xa2, 0xaa, 0x96, 0xdc, 0x8c, 0x74, 0xc2,
-    0x95, 0xbe, 0xf0, 0x6e, 0x95, 0x13, 0xff, 0x17, 0xf0, 0x3c, 0xac, 0xb2,
-    0x10, 0x8d, 0xcc, 0x73, 0xfb, 0xe8, 0x8f, 0x02, 0xc6, 0xf0, 0xfb, 0x33,
-    0xb3, 0x95, 0x3b, 0xe3, 0xc2, 0xcb, 0x68, 0x58, 0x73, 0xdb, 0xa8, 0x24,
-    0x62, 0x3b, 0x06, 0x35, 0x9d, 0x0d, 0xa9, 0x33, 0xbd, 0x78, 0x03, 0x90,
-    0x2e, 0x4c, 0x78, 0x5d, 0x50, 0x3a, 0x81, 0xd4, 0xee, 0xa0, 0xc8, 0x70,
-    0x38, 0xdc, 0xb2, 0xf9, 0x67, 0xfa, 0x87, 0x40, 0x5d, 0x61, 0xc0, 0x51,
-    0x8f, 0x6b, 0x83, 0x6b, 0xcd, 0x05, 0x3a, 0xca, 0xe1, 0xa7, 0x05, 0x78,
-    0xfc, 0xca, 0xda, 0x94, 0xd0, 0x2c, 0x08, 0x3d, 0x7e, 0x16, 0x79, 0xc8,
-    0xa0, 0x50, 0x20, 0x24, 0x54, 0x33, 0x71, 0x31, 0x00, 0x00, 0x00, 0x00,
-    0x00, 0x00, 0x00,
-};
-
-// kPKCS7Windows is the Equifax root certificate, as exported by Windows 7.
-static const uint8_t kPKCS7Windows[] = {
-    0x30, 0x82, 0x02, 0xb1, 0x06, 0x09, 0x2a, 0x86, 0x48, 0x86, 0xf7, 0x0d,
-    0x01, 0x07, 0x02, 0xa0, 0x82, 0x02, 0xa2, 0x30, 0x82, 0x02, 0x9e, 0x02,
-    0x01, 0x01, 0x31, 0x00, 0x30, 0x0b, 0x06, 0x09, 0x2a, 0x86, 0x48, 0x86,
-    0xf7, 0x0d, 0x01, 0x07, 0x01, 0xa0, 0x82, 0x02, 0x86, 0x30, 0x82, 0x02,
-    0x82, 0x30, 0x82, 0x01, 0xeb, 0xa0, 0x03, 0x02, 0x01, 0x02, 0x02, 0x01,
-    0x04, 0x30, 0x0d, 0x06, 0x09, 0x2a, 0x86, 0x48, 0x86, 0xf7, 0x0d, 0x01,
-    0x01, 0x04, 0x05, 0x00, 0x30, 0x53, 0x31, 0x0b, 0x30, 0x09, 0x06, 0x03,
-    0x55, 0x04, 0x06, 0x13, 0x02, 0x55, 0x53, 0x31, 0x1c, 0x30, 0x1a, 0x06,
-    0x03, 0x55, 0x04, 0x0a, 0x13, 0x13, 0x45, 0x71, 0x75, 0x69, 0x66, 0x61,
-    0x78, 0x20, 0x53, 0x65, 0x63, 0x75, 0x72, 0x65, 0x20, 0x49, 0x6e, 0x63,
-    0x2e, 0x31, 0x26, 0x30, 0x24, 0x06, 0x03, 0x55, 0x04, 0x03, 0x13, 0x1d,
-    0x45, 0x71, 0x75, 0x69, 0x66, 0x61, 0x78, 0x20, 0x53, 0x65, 0x63, 0x75,
-    0x72, 0x65, 0x20, 0x65, 0x42, 0x75, 0x73, 0x69, 0x6e, 0x65, 0x73, 0x73,
-    0x20, 0x43, 0x41, 0x2d, 0x31, 0x30, 0x1e, 0x17, 0x0d, 0x39, 0x39, 0x30,
-    0x36, 0x32, 0x31, 0x30, 0x34, 0x30, 0x30, 0x30, 0x30, 0x5a, 0x17, 0x0d,
-    0x32, 0x30, 0x30, 0x36, 0x32, 0x31, 0x30, 0x34, 0x30, 0x30, 0x30, 0x30,
-    0x5a, 0x30, 0x53, 0x31, 0x0b, 0x30, 0x09, 0x06, 0x03, 0x55, 0x04, 0x06,
-    0x13, 0x02, 0x55, 0x53, 0x31, 0x1c, 0x30, 0x1a, 0x06, 0x03, 0x55, 0x04,
-    0x0a, 0x13, 0x13, 0x45, 0x71, 0x75, 0x69, 0x66, 0x61, 0x78, 0x20, 0x53,
-    0x65, 0x63, 0x75, 0x72, 0x65, 0x20, 0x49, 0x6e, 0x63, 0x2e, 0x31, 0x26,
-    0x30, 0x24, 0x06, 0x03, 0x55, 0x04, 0x03, 0x13, 0x1d, 0x45, 0x71, 0x75,
-    0x69, 0x66, 0x61, 0x78, 0x20, 0x53, 0x65, 0x63, 0x75, 0x72, 0x65, 0x20,
-    0x65, 0x42, 0x75, 0x73, 0x69, 0x6e, 0x65, 0x73, 0x73, 0x20, 0x43, 0x41,
-    0x2d, 0x31, 0x30, 0x81, 0x9f, 0x30, 0x0d, 0x06, 0x09, 0x2a, 0x86, 0x48,
-    0x86, 0xf7, 0x0d, 0x01, 0x01, 0x01, 0x05, 0x00, 0x03, 0x81, 0x8d, 0x00,
-    0x30, 0x81, 0x89, 0x02, 0x81, 0x81, 0x00, 0xce, 0x2f, 0x19, 0xbc, 0x17,
-    0xb7, 0x77, 0xde, 0x93, 0xa9, 0x5f, 0x5a, 0x0d, 0x17, 0x4f, 0x34, 0x1a,
-    0x0c, 0x98, 0xf4, 0x22, 0xd9, 0x59, 0xd4, 0xc4, 0x68, 0x46, 0xf0, 0xb4,
-    0x35, 0xc5, 0x85, 0x03, 0x20, 0xc6, 0xaf, 0x45, 0xa5, 0x21, 0x51, 0x45,
-    0x41, 0xeb, 0x16, 0x58, 0x36, 0x32, 0x6f, 0xe2, 0x50, 0x62, 0x64, 0xf9,
-    0xfd, 0x51, 0x9c, 0xaa, 0x24, 0xd9, 0xf4, 0x9d, 0x83, 0x2a, 0x87, 0x0a,
-    0x21, 0xd3, 0x12, 0x38, 0x34, 0x6c, 0x8d, 0x00, 0x6e, 0x5a, 0xa0, 0xd9,
-    0x42, 0xee, 0x1a, 0x21, 0x95, 0xf9, 0x52, 0x4c, 0x55, 0x5a, 0xc5, 0x0f,
-    0x38, 0x4f, 0x46, 0xfa, 0x6d, 0xf8, 0x2e, 0x35, 0xd6, 0x1d, 0x7c, 0xeb,
-    0xe2, 0xf0, 0xb0, 0x75, 0x80, 0xc8, 0xa9, 0x13, 0xac, 0xbe, 0x88, 0xef,
-    0x3a, 0x6e, 0xab, 0x5f, 0x2a, 0x38, 0x62, 0x02, 0xb0, 0x12, 0x7b, 0xfe,
-    0x8f, 0xa6, 0x03, 0x02, 0x03, 0x01, 0x00, 0x01, 0xa3, 0x66, 0x30, 0x64,
-    0x30, 0x11, 0x06, 0x09, 0x60, 0x86, 0x48, 0x01, 0x86, 0xf8, 0x42, 0x01,
-    0x01, 0x04, 0x04, 0x03, 0x02, 0x00, 0x07, 0x30, 0x0f, 0x06, 0x03, 0x55,
-    0x1d, 0x13, 0x01, 0x01, 0xff, 0x04, 0x05, 0x30, 0x03, 0x01, 0x01, 0xff,
-    0x30, 0x1f, 0x06, 0x03, 0x55, 0x1d, 0x23, 0x04, 0x18, 0x30, 0x16, 0x80,
-    0x14, 0x4a, 0x78, 0x32, 0x52, 0x11, 0xdb, 0x59, 0x16, 0x36, 0x5e, 0xdf,
-    0xc1, 0x14, 0x36, 0x40, 0x6a, 0x47, 0x7c, 0x4c, 0xa1, 0x30, 0x1d, 0x06,
-    0x03, 0x55, 0x1d, 0x0e, 0x04, 0x16, 0x04, 0x14, 0x4a, 0x78, 0x32, 0x52,
-    0x11, 0xdb, 0x59, 0x16, 0x36, 0x5e, 0xdf, 0xc1, 0x14, 0x36, 0x40, 0x6a,
-    0x47, 0x7c, 0x4c, 0xa1, 0x30, 0x0d, 0x06, 0x09, 0x2a, 0x86, 0x48, 0x86,
-    0xf7, 0x0d, 0x01, 0x01, 0x04, 0x05, 0x00, 0x03, 0x81, 0x81, 0x00, 0x75,
-    0x5b, 0xa8, 0x9b, 0x03, 0x11, 0xe6, 0xe9, 0x56, 0x4c, 0xcd, 0xf9, 0xa9,
-    0x4c, 0xc0, 0x0d, 0x9a, 0xf3, 0xcc, 0x65, 0x69, 0xe6, 0x25, 0x76, 0xcc,
-    0x59, 0xb7, 0xd6, 0x54, 0xc3, 0x1d, 0xcd, 0x99, 0xac, 0x19, 0xdd, 0xb4,
-    0x85, 0xd5, 0xe0, 0x3d, 0xfc, 0x62, 0x20, 0xa7, 0x84, 0x4b, 0x58, 0x65,
-    0xf1, 0xe2, 0xf9, 0x95, 0x21, 0x3f, 0xf5, 0xd4, 0x7e, 0x58, 0x1e, 0x47,
-    0x87, 0x54, 0x3e, 0x58, 0xa1, 0xb5, 0xb5, 0xf8, 0x2a, 0xef, 0x71, 0xe7,
-    0xbc, 0xc3, 0xf6, 0xb1, 0x49, 0x46, 0xe2, 0xd7, 0xa0, 0x6b, 0xe5, 0x56,
-    0x7a, 0x9a, 0x27, 0x98, 0x7c, 0x46, 0x62, 0x14, 0xe7, 0xc9, 0xfc, 0x6e,
-    0x03, 0x12, 0x79, 0x80, 0x38, 0x1d, 0x48, 0x82, 0x8d, 0xfc, 0x17, 0xfe,
-    0x2a, 0x96, 0x2b, 0xb5, 0x62, 0xa6, 0xa6, 0x3d, 0xbd, 0x7f, 0x92, 0x59,
-    0xcd, 0x5a, 0x2a, 0x82, 0xb2, 0x37, 0x79, 0x31, 0x00,
-};
-
-// kOpenSSLCRL is the Equifax CRL, converted to PKCS#7 form by:
-//   openssl crl2pkcs7 -inform DER -in secureca.crl
-static const uint8_t kOpenSSLCRL[] = {
-    0x30, 0x82, 0x03, 0x85, 0x06, 0x09, 0x2a, 0x86, 0x48, 0x86, 0xf7, 0x0d,
-    0x01, 0x07, 0x02, 0xa0, 0x82, 0x03, 0x76, 0x30, 0x82, 0x03, 0x72, 0x02,
-    0x01, 0x01, 0x31, 0x00, 0x30, 0x0b, 0x06, 0x09, 0x2a, 0x86, 0x48, 0x86,
-    0xf7, 0x0d, 0x01, 0x07, 0x01, 0xa0, 0x00, 0xa1, 0x82, 0x03, 0x58, 0x30,
-    0x82, 0x03, 0x54, 0x30, 0x82, 0x02, 0xbd, 0x30, 0x0d, 0x06, 0x09, 0x2a,
-    0x86, 0x48, 0x86, 0xf7, 0x0d, 0x01, 0x01, 0x05, 0x05, 0x00, 0x30, 0x4e,
-    0x31, 0x0b, 0x30, 0x09, 0x06, 0x03, 0x55, 0x04, 0x06, 0x13, 0x02, 0x55,
-    0x53, 0x31, 0x10, 0x30, 0x0e, 0x06, 0x03, 0x55, 0x04, 0x0a, 0x13, 0x07,
-    0x45, 0x71, 0x75, 0x69, 0x66, 0x61, 0x78, 0x31, 0x2d, 0x30, 0x2b, 0x06,
-    0x03, 0x55, 0x04, 0x0b, 0x13, 0x24, 0x45, 0x71, 0x75, 0x69, 0x66, 0x61,
-    0x78, 0x20, 0x53, 0x65, 0x63, 0x75, 0x72, 0x65, 0x20, 0x43, 0x65, 0x72,
-    0x74, 0x69, 0x66, 0x69, 0x63, 0x61, 0x74, 0x65, 0x20, 0x41, 0x75, 0x74,
-    0x68, 0x6f, 0x72, 0x69, 0x74, 0x79, 0x17, 0x0d, 0x31, 0x35, 0x30, 0x32,
-    0x32, 0x37, 0x30, 0x31, 0x32, 0x33, 0x30, 0x30, 0x5a, 0x17, 0x0d, 0x31,
-    0x35, 0x30, 0x33, 0x30, 0x39, 0x30, 0x31, 0x32, 0x33, 0x30, 0x30, 0x5a,
-    0x30, 0x82, 0x02, 0x3c, 0x30, 0x14, 0x02, 0x03, 0x0f, 0x58, 0xe4, 0x17,
-    0x0d, 0x31, 0x34, 0x30, 0x34, 0x32, 0x37, 0x30, 0x38, 0x31, 0x39, 0x32,
-    0x32, 0x5a, 0x30, 0x14, 0x02, 0x03, 0x14, 0x76, 0x19, 0x17, 0x0d, 0x31,
-    0x34, 0x30, 0x36, 0x31, 0x38, 0x31, 0x35, 0x30, 0x30, 0x30, 0x33, 0x5a,
-    0x30, 0x14, 0x02, 0x03, 0x0f, 0x9a, 0xfb, 0x17, 0x0d, 0x31, 0x34, 0x30,
-    0x34, 0x32, 0x39, 0x31, 0x38, 0x30, 0x39, 0x31, 0x37, 0x5a, 0x30, 0x14,
-    0x02, 0x03, 0x14, 0x8b, 0xc0, 0x17, 0x0d, 0x31, 0x34, 0x30, 0x37, 0x30,
-    0x39, 0x31, 0x39, 0x34, 0x36, 0x33, 0x33, 0x5a, 0x30, 0x14, 0x02, 0x03,
-    0x14, 0xe4, 0x9c, 0x17, 0x0d, 0x31, 0x34, 0x30, 0x34, 0x31, 0x36, 0x32,
-    0x33, 0x33, 0x39, 0x33, 0x35, 0x5a, 0x30, 0x14, 0x02, 0x03, 0x0f, 0x86,
-    0x07, 0x17, 0x0d, 0x31, 0x34, 0x30, 0x35, 0x32, 0x31, 0x31, 0x35, 0x35,
-    0x30, 0x35, 0x33, 0x5a, 0x30, 0x14, 0x02, 0x03, 0x12, 0xe2, 0x29, 0x17,
-    0x0d, 0x31, 0x34, 0x30, 0x36, 0x31, 0x37, 0x31, 0x38, 0x35, 0x35, 0x31,
-    0x35, 0x5a, 0x30, 0x14, 0x02, 0x03, 0x0d, 0x42, 0x66, 0x17, 0x0d, 0x31,
-    0x32, 0x30, 0x36, 0x32, 0x37, 0x31, 0x37, 0x31, 0x30, 0x35, 0x33, 0x5a,
-    0x30, 0x14, 0x02, 0x03, 0x03, 0x1e, 0x33, 0x17, 0x0d, 0x30, 0x32, 0x30,
-    0x35, 0x31, 0x35, 0x31, 0x33, 0x30, 0x36, 0x31, 0x31, 0x5a, 0x30, 0x14,
-    0x02, 0x03, 0x12, 0xe2, 0x23, 0x17, 0x0d, 0x31, 0x34, 0x30, 0x36, 0x30,
-    0x36, 0x32, 0x30, 0x34, 0x30, 0x32, 0x31, 0x5a, 0x30, 0x14, 0x02, 0x03,
-    0x13, 0x9c, 0xab, 0x17, 0x0d, 0x31, 0x30, 0x30, 0x37, 0x32, 0x39, 0x31,
-    0x36, 0x34, 0x34, 0x33, 0x39, 0x5a, 0x30, 0x14, 0x02, 0x03, 0x12, 0xc6,
-    0x0a, 0x17, 0x0d, 0x31, 0x34, 0x30, 0x36, 0x30, 0x36, 0x32, 0x32, 0x32,
-    0x31, 0x33, 0x39, 0x5a, 0x30, 0x14, 0x02, 0x03, 0x03, 0x25, 0x85, 0x17,
-    0x0d, 0x30, 0x32, 0x30, 0x35, 0x31, 0x34, 0x31, 0x38, 0x31, 0x31, 0x35,
-    0x37, 0x5a, 0x30, 0x14, 0x02, 0x03, 0x14, 0x86, 0xe6, 0x17, 0x0d, 0x31,
-    0x34, 0x30, 0x37, 0x32, 0x35, 0x30, 0x32, 0x30, 0x30, 0x33, 0x38, 0x5a,
-    0x30, 0x14, 0x02, 0x03, 0x13, 0x9c, 0xa1, 0x17, 0x0d, 0x31, 0x30, 0x30,
-    0x37, 0x32, 0x39, 0x31, 0x36, 0x34, 0x37, 0x33, 0x32, 0x5a, 0x30, 0x14,
-    0x02, 0x03, 0x15, 0x4d, 0x5c, 0x17, 0x0d, 0x31, 0x34, 0x30, 0x34, 0x33,
-    0x30, 0x30, 0x30, 0x30, 0x34, 0x34, 0x32, 0x5a, 0x30, 0x14, 0x02, 0x03,
-    0x0f, 0xfa, 0x2d, 0x17, 0x0d, 0x31, 0x34, 0x30, 0x36, 0x31, 0x37, 0x31,
-    0x38, 0x35, 0x30, 0x31, 0x31, 0x5a, 0x30, 0x14, 0x02, 0x03, 0x13, 0x75,
-    0x55, 0x17, 0x0d, 0x31, 0x35, 0x30, 0x31, 0x31, 0x38, 0x30, 0x32, 0x32,
-    0x31, 0x33, 0x33, 0x5a, 0x30, 0x14, 0x02, 0x03, 0x0f, 0x56, 0x96, 0x17,
-    0x0d, 0x31, 0x34, 0x30, 0x36, 0x32, 0x34, 0x31, 0x32, 0x33, 0x31, 0x30,
-    0x32, 0x5a, 0x30, 0x14, 0x02, 0x03, 0x0b, 0x80, 0x8a, 0x17, 0x0d, 0x31,
-    0x32, 0x30, 0x36, 0x32, 0x37, 0x31, 0x37, 0x31, 0x30, 0x32, 0x35, 0x5a,
-    0x30, 0x14, 0x02, 0x03, 0x0f, 0x94, 0x16, 0x17, 0x0d, 0x31, 0x30, 0x30,
-    0x33, 0x30, 0x31, 0x31, 0x33, 0x34, 0x35, 0x33, 0x31, 0x5a, 0x30, 0x14,
-    0x02, 0x03, 0x14, 0x16, 0xb3, 0x17, 0x0d, 0x31, 0x34, 0x30, 0x36, 0x31,
-    0x38, 0x31, 0x34, 0x33, 0x32, 0x35, 0x36, 0x5a, 0x30, 0x14, 0x02, 0x03,
-    0x0a, 0xe1, 0x85, 0x17, 0x0d, 0x31, 0x32, 0x30, 0x36, 0x32, 0x37, 0x31,
-    0x37, 0x31, 0x30, 0x31, 0x37, 0x5a, 0x30, 0x14, 0x02, 0x03, 0x14, 0xcc,
-    0x3e, 0x17, 0x0d, 0x31, 0x34, 0x30, 0x37, 0x31, 0x31, 0x31, 0x32, 0x35,
-    0x35, 0x33, 0x31, 0x5a, 0x30, 0x14, 0x02, 0x03, 0x10, 0x5b, 0xcb, 0x17,
-    0x0d, 0x31, 0x30, 0x30, 0x37, 0x33, 0x30, 0x32, 0x31, 0x33, 0x31, 0x32,
-    0x30, 0x5a, 0x30, 0x14, 0x02, 0x03, 0x15, 0x6a, 0x1f, 0x17, 0x0d, 0x31,
-    0x34, 0x30, 0x32, 0x32, 0x36, 0x31, 0x32, 0x33, 0x35, 0x31, 0x39, 0x5a,
-    0x30, 0x0d, 0x06, 0x09, 0x2a, 0x86, 0x48, 0x86, 0xf7, 0x0d, 0x01, 0x01,
-    0x05, 0x05, 0x00, 0x03, 0x81, 0x81, 0x00, 0x1d, 0x5c, 0x27, 0x07, 0x11,
-    0x03, 0xf2, 0x00, 0xbd, 0xf4, 0x46, 0x3e, 0x71, 0xfd, 0x10, 0x84, 0x83,
-    0xd9, 0xd2, 0xd2, 0x19, 0xa0, 0x20, 0xf7, 0x1a, 0x43, 0x3d, 0xac, 0xda,
-    0x33, 0xfc, 0xb7, 0x42, 0x60, 0x1a, 0xa4, 0xa8, 0xb2, 0x07, 0x5c, 0x51,
-    0x16, 0xc0, 0x42, 0x80, 0x0a, 0x0f, 0xf0, 0x47, 0x5b, 0x4b, 0x78, 0x90,
-    0xaf, 0xc7, 0xac, 0x48, 0xf8, 0xca, 0x3c, 0x13, 0x5e, 0xf6, 0xd1, 0x88,
-    0xae, 0x55, 0xa3, 0x0c, 0x8a, 0x62, 0x47, 0x29, 0xf8, 0x72, 0xb8, 0x24,
-    0x17, 0xaf, 0xb2, 0x06, 0x1e, 0xa7, 0x72, 0x76, 0xab, 0x96, 0x1d, 0xe0,
-    0x7c, 0xd4, 0x0c, 0x42, 0x82, 0x3d, 0x4a, 0x8e, 0x15, 0x77, 0x2f, 0x3c,
-    0x2a, 0x8c, 0x3a, 0x04, 0x10, 0x55, 0xdc, 0xbb, 0xba, 0xb1, 0x91, 0xee,
-    0x7b, 0xe7, 0x23, 0xc5, 0x71, 0x13, 0xae, 0x6b, 0x21, 0x35, 0xd3, 0x64,
-    0xf0, 0x00, 0x54, 0x31, 0x00,
-};
-
 // kPEMCert is the result of exporting the mail.google.com certificate from
 // Chrome and then running it through:
 //   openssl pkcs7 -inform DER -in mail.google.com -outform PEM
@@ -470,7 +82,7 @@
     "fNQMQoI9So4Vdy88Kow6BBBV3Lu6sZHue+cjxXETrmshNdNk8ABUMQA=\n"
     "-----END PKCS7-----\n";
 
-static void TestCertReparse(const uint8_t *der_bytes, size_t der_len) {
+static void TestCertReparse(bssl::Span<const uint8_t> der) {
   bssl::UniquePtr<STACK_OF(X509)> certs(sk_X509_new_null());
   ASSERT_TRUE(certs);
   bssl::UniquePtr<STACK_OF(X509)> certs2(sk_X509_new_null());
@@ -478,13 +90,12 @@
   uint8_t *result_data, *result2_data;
   size_t result_len, result2_len;
 
-  CBS pkcs7;
-  CBS_init(&pkcs7, der_bytes, der_len);
+  CBS pkcs7 = der;
   ASSERT_TRUE(PKCS7_get_certificates(certs.get(), &pkcs7));
   EXPECT_EQ(0u, CBS_len(&pkcs7));
 
   bssl::ScopedCBB cbb;
-  ASSERT_TRUE(CBB_init(cbb.get(), der_len));
+  ASSERT_TRUE(CBB_init(cbb.get(), der.size()));
   ASSERT_TRUE(PKCS7_bundle_certificates(cbb.get(), certs.get()));
   ASSERT_TRUE(CBB_finish(cbb.get(), &result_data, &result_len));
   bssl::UniquePtr<uint8_t> free_result_data(result_data);
@@ -503,7 +114,7 @@
     ASSERT_EQ(0, X509_cmp(a, b));
   }
 
-  ASSERT_TRUE(CBB_init(cbb.get(), der_len));
+  ASSERT_TRUE(CBB_init(cbb.get(), der.size()));
   ASSERT_TRUE(PKCS7_bundle_certificates(cbb.get(), certs2.get()));
   ASSERT_TRUE(CBB_finish(cbb.get(), &result2_data, &result2_len));
   bssl::UniquePtr<uint8_t> free_result2_data(result2_data);
@@ -511,10 +122,10 @@
   EXPECT_EQ(Bytes(result_data, result_len), Bytes(result2_data, result2_len));
 
   // Parse with the legacy API instead.
-  const uint8_t *ptr = der_bytes;
-  bssl::UniquePtr<PKCS7> pkcs7_obj(d2i_PKCS7(nullptr, &ptr, der_len));
+  const uint8_t *ptr = der.data();
+  bssl::UniquePtr<PKCS7> pkcs7_obj(d2i_PKCS7(nullptr, &ptr, der.size()));
   ASSERT_TRUE(pkcs7_obj);
-  EXPECT_EQ(ptr, der_bytes + der_len);
+  EXPECT_EQ(ptr, der.data() + der.size());
 
   ASSERT_TRUE(PKCS7_type_is_signed(pkcs7_obj.get()));
   const STACK_OF(X509) *certs3 = pkcs7_obj->d.sign->cert;
@@ -531,7 +142,7 @@
   int result3_len = i2d_PKCS7(pkcs7_obj.get(), &result3_data);
   ASSERT_GT(result3_len, 0);
   bssl::UniquePtr<uint8_t> free_result3_data(result3_data);
-  EXPECT_EQ(Bytes(der_bytes, der_len), Bytes(result3_data, result3_len));
+  EXPECT_EQ(Bytes(der), Bytes(result3_data, result3_len));
 
   // Make a new object with the legacy API.
   pkcs7_obj.reset(
@@ -555,7 +166,7 @@
   EXPECT_EQ(Bytes(result_data, result_len), Bytes(result4_data, result4_len));
 }
 
-static void TestCRLReparse(const uint8_t *der_bytes, size_t der_len) {
+static void TestCRLReparse(bssl::Span<const uint8_t> der) {
   bssl::UniquePtr<STACK_OF(X509_CRL)> crls(sk_X509_CRL_new_null());
   ASSERT_TRUE(crls);
   bssl::UniquePtr<STACK_OF(X509_CRL)> crls2(sk_X509_CRL_new_null());
@@ -563,13 +174,12 @@
   uint8_t *result_data, *result2_data;
   size_t result_len, result2_len;
 
-  CBS pkcs7;
-  CBS_init(&pkcs7, der_bytes, der_len);
+  CBS pkcs7 = der;
   ASSERT_TRUE(PKCS7_get_CRLs(crls.get(), &pkcs7));
   EXPECT_EQ(0u, CBS_len(&pkcs7));
 
   bssl::ScopedCBB cbb;
-  ASSERT_TRUE(CBB_init(cbb.get(), der_len));
+  ASSERT_TRUE(CBB_init(cbb.get(), der.size()));
   ASSERT_TRUE(PKCS7_bundle_CRLs(cbb.get(), crls.get()));
   ASSERT_TRUE(CBB_finish(cbb.get(), &result_data, &result_len));
   bssl::UniquePtr<uint8_t> free_result_data(result_data);
@@ -588,7 +198,7 @@
     ASSERT_EQ(0, X509_CRL_cmp(a, b));
   }
 
-  ASSERT_TRUE(CBB_init(cbb.get(), der_len));
+  ASSERT_TRUE(CBB_init(cbb.get(), der.size()));
   ASSERT_TRUE(PKCS7_bundle_CRLs(cbb.get(), crls2.get()));
   ASSERT_TRUE(CBB_finish(cbb.get(), &result2_data, &result2_len));
   bssl::UniquePtr<uint8_t> free_result2_data(result2_data);
@@ -596,10 +206,10 @@
   EXPECT_EQ(Bytes(result_data, result_len), Bytes(result2_data, result2_len));
 
   // Parse with the legacy API instead.
-  const uint8_t *ptr = der_bytes;
-  bssl::UniquePtr<PKCS7> pkcs7_obj(d2i_PKCS7(nullptr, &ptr, der_len));
+  const uint8_t *ptr = der.data();
+  bssl::UniquePtr<PKCS7> pkcs7_obj(d2i_PKCS7(nullptr, &ptr, der.size()));
   ASSERT_TRUE(pkcs7_obj);
-  EXPECT_EQ(ptr, der_bytes + der_len);
+  EXPECT_EQ(ptr, der.data() + der.size());
 
   ASSERT_TRUE(PKCS7_type_is_signed(pkcs7_obj.get()));
   const STACK_OF(X509_CRL) *crls3 = pkcs7_obj->d.sign->crl;
@@ -646,15 +256,23 @@
 }
 
 TEST(PKCS7Test, CertReparseNSS) {
-  TestCertReparse(kPKCS7NSS, sizeof(kPKCS7NSS));
+  // nss.p7c contains the certificate chain of mail.google.com, as saved by NSS
+  // using the Chrome UI.
+  TestCertReparse(
+      bssl::StringAsBytes(GetTestData("crypto/pkcs7/test/nss.p7c")));
 }
 
 TEST(PKCS7Test, CertReparseWindows) {
-  TestCertReparse(kPKCS7Windows, sizeof(kPKCS7Windows));
+  // windows.p7c is the Equifax root certificate, as exported by Windows 7.
+  TestCertReparse(
+      bssl::StringAsBytes(GetTestData("crypto/pkcs7/test/windows.p7c")));
 }
 
 TEST(PKCS7Test, CrlReparse) {
-  TestCRLReparse(kOpenSSLCRL, sizeof(kOpenSSLCRL));
+  // openssl_crl.p7c is the Equifax CRL, converted to PKCS#7 form by:
+  //   openssl crl2pkcs7 -inform DER -in secureca.crl
+  TestCRLReparse(
+      bssl::StringAsBytes(GetTestData("crypto/pkcs7/test/openssl_crl.p7c")));
 }
 
 TEST(PKCS7Test, PEMCerts) {
@@ -667,9 +285,9 @@
 
 // Test that we output certificates in the canonical DER order.
 TEST(PKCS7Test, SortCerts) {
-  // kPKCS7NSS contains three certificates in the canonical DER order.
-  CBS pkcs7;
-  CBS_init(&pkcs7, kPKCS7NSS, sizeof(kPKCS7NSS));
+  // nss.p7c contains three certificates in the canonical DER order.
+  std::string nss_p7c = GetTestData("crypto/pkcs7/test/nss.p7c");
+  CBS pkcs7 = bssl::StringAsBytes(nss_p7c);
   bssl::UniquePtr<STACK_OF(X509)> certs(sk_X509_new_null());
   ASSERT_TRUE(certs);
   ASSERT_TRUE(PKCS7_get_certificates(certs.get(), &pkcs7));
@@ -687,7 +305,7 @@
     ASSERT_TRUE(bssl::PushToStack(new_certs.get(), bssl::UpRef(new_cert2)));
     ASSERT_TRUE(bssl::PushToStack(new_certs.get(), bssl::UpRef(new_cert3)));
     bssl::ScopedCBB cbb;
-    ASSERT_TRUE(CBB_init(cbb.get(), sizeof(kPKCS7NSS)));
+    ASSERT_TRUE(CBB_init(cbb.get(), nss_p7c.size()));
     ASSERT_TRUE(PKCS7_bundle_certificates(cbb.get(), new_certs.get()));
 
     // The bundle should be sorted back to the original order.
@@ -712,9 +330,9 @@
 // Test that we output certificates in the canonical DER order, using the
 // CRYPTO_BUFFER version of the parse and bundle functions.
 TEST(PKCS7Test, SortCertsRaw) {
-  // kPKCS7NSS contains three certificates in the canonical DER order.
-  CBS pkcs7;
-  CBS_init(&pkcs7, kPKCS7NSS, sizeof(kPKCS7NSS));
+  // nss.p7c contains three certificates in the canonical DER order.
+  std::string nss_p7c = GetTestData("crypto/pkcs7/test/nss.p7c");
+  CBS pkcs7 = bssl::StringAsBytes(nss_p7c);
   bssl::UniquePtr<STACK_OF(CRYPTO_BUFFER)> certs(sk_CRYPTO_BUFFER_new_null());
   ASSERT_TRUE(certs);
   ASSERT_TRUE(PKCS7_get_raw_certificates(certs.get(), &pkcs7, nullptr));
@@ -734,7 +352,7 @@
     ASSERT_TRUE(bssl::PushToStack(new_certs.get(), bssl::UpRef(new_cert2)));
     ASSERT_TRUE(bssl::PushToStack(new_certs.get(), bssl::UpRef(new_cert3)));
     bssl::ScopedCBB cbb;
-    ASSERT_TRUE(CBB_init(cbb.get(), sizeof(kPKCS7NSS)));
+    ASSERT_TRUE(CBB_init(cbb.get(), nss_p7c.size()));
     ASSERT_TRUE(PKCS7_bundle_raw_certificates(cbb.get(), new_certs.get()));
 
     // The bundle should be sorted back to the original order.
@@ -830,108 +448,20 @@
 TEST(PKCS7Test, KernelModuleSigning) {
   // Sign a message with the same call that the Linux kernel's sign-file.c
   // makes.
-  static const char kCert[] = R"(
------BEGIN CERTIFICATE-----
-MIIFazCCA1OgAwIBAgIURVkPzF/4dwy7419Qk75uhIuyf0EwDQYJKoZIhvcNAQEL
-BQAwRTELMAkGA1UEBhMCQVUxEzARBgNVBAgMClNvbWUtU3RhdGUxITAfBgNVBAoM
-GEludGVybmV0IFdpZGdpdHMgUHR5IEx0ZDAeFw0yMTA5MjExOTIyMTJaFw0yMjA5
-MjExOTIyMTJaMEUxCzAJBgNVBAYTAkFVMRMwEQYDVQQIDApTb21lLVN0YXRlMSEw
-HwYDVQQKDBhJbnRlcm5ldCBXaWRnaXRzIFB0eSBMdGQwggIiMA0GCSqGSIb3DQEB
-AQUAA4ICDwAwggIKAoICAQC1+MOn+BopcEVR4QMvjXdAxGkWFllXyQFDToL+qOiP
-RU1yN7C8KCtkbOAFttJIO4O/i0iZ7KqYbnmB6YUA/ONAcakocnrdoESgRJcVMeAx
-Dk/11OtMF5yIfeOOO/TUeVNmAUaT63gFbKy/adpqhzJtOv9BBl5VcYNGGSE+0wtb
-mjpmNsxunEQR1KLDc97fGYHeRfKoSyrCIEE8IaAEpKGR2Sku3v9Jwh7RpjupgiUA
-kH6pJk7VMZm5vl2wFjYvfysgjeN5ZtsxFDMaPYZStpxMxpNd5C9DsO2Ljp5NMpGf
-NGmG4ZqiaQg8z2cIM6ESmN1zDJdUh5IXed1fOxBZD/poUFH0wDRFWnvzlaPmjJEF
-rYLMK8svnE5nEQp9vu93ISFBx7cofs+niMaUXPEqaRSqruifN2M1it3kOf/8YZl1
-vurs+VtHD6nOJo6bd11+37aBidIB/BaWnzLrDmSTcPFa1tkTHwoLqc9+jThTq9jZ
-6w3lAMPpsoenyD19UmQB589+4kNp2SIO/TtzVQCGgQPXE2jDCl6G9aIPMkfvpPZK
-4THVil3WQRCFYnYdDO4HQXo2ZuC4RiqgY5ygfeoL+fa9k383lgxxAHQLS7xsbaVB
-40RmfdbdevgPYIwZNNO78ddRmMdSv6IknSW9gydGzY//btY+t1SWcBZWzn1Ewq8g
-2QIDAQABo1MwUTAdBgNVHQ4EFgQUotZD9ajEvnQYVezIWzcW4pzvMcUwHwYDVR0j
-BBgwFoAUotZD9ajEvnQYVezIWzcW4pzvMcUwDwYDVR0TAQH/BAUwAwEB/zANBgkq
-hkiG9w0BAQsFAAOCAgEAqCe42PIWoyLDx9bR+5cSp99N5xo5lLiSLtWx2emDbZB2
-AunqKYeEgIV+TWNF2w1SZ/ckFgV7SlL2Yl73N/veSNRfNAnpjLksGDFpdJb7YXrx
-cUvxdy1mr8oau6J7PC9JGjBTBrnhqwCQX1FtcAxODKll2Lsfuj6+bdC3rCK7KBEo
-ENamMJZIeo8lRP9qFF2xwCEzZjRv2zvB6O5o9045aTUcdCrwUfKE2sqY6EXRzFTC
-waK0HRCd1FLv9omhz/Ug5PMHP4d6MZfnAbFm+AzAhnpkrk/9TJYSOoNTNLWsuqhp
-dN0rKqiFWv1zIwfknXvTh1P1Ap+G5jffAca0zWUH1oKjE7ZZioSsaZ6gySnD8+WQ
-TPbOYtG+n0mhCH1TrU8Dqi3rd8g5IbC8loYLRH94QtodOnevD4Qo9Orfrsr8hGOW
-ABespanZArhoQ03DAtpNhtHm2NWJQF2uHNqcTrkq0omqZBTbMD1GKMBujoNooAUu
-w51U9r+RycPJTFqEGHb0nd7EjoyXEXtuX1Ld5fTZjQ9SszmQKQ8w3lHqRGNlkSiO
-e3IOOq2ruXmq1jykxpmi82IcTRUE8TZBfL/yz0nxpHKAYC1VwMezrkgZDGz4npxf
-1z2+qd58xU6/jsf7/+3xdPFubeEJujdbCkWQsQC5Rzm48zDWGq/pyzFji44K3TA=
------END CERTIFICATE-----
-)";
-
-  static const char kKey[] = R"(
------BEGIN PRIVATE KEY-----
-MIIJQQIBADANBgkqhkiG9w0BAQEFAASCCSswggknAgEAAoICAQC1+MOn+BopcEVR
-4QMvjXdAxGkWFllXyQFDToL+qOiPRU1yN7C8KCtkbOAFttJIO4O/i0iZ7KqYbnmB
-6YUA/ONAcakocnrdoESgRJcVMeAxDk/11OtMF5yIfeOOO/TUeVNmAUaT63gFbKy/
-adpqhzJtOv9BBl5VcYNGGSE+0wtbmjpmNsxunEQR1KLDc97fGYHeRfKoSyrCIEE8
-IaAEpKGR2Sku3v9Jwh7RpjupgiUAkH6pJk7VMZm5vl2wFjYvfysgjeN5ZtsxFDMa
-PYZStpxMxpNd5C9DsO2Ljp5NMpGfNGmG4ZqiaQg8z2cIM6ESmN1zDJdUh5IXed1f
-OxBZD/poUFH0wDRFWnvzlaPmjJEFrYLMK8svnE5nEQp9vu93ISFBx7cofs+niMaU
-XPEqaRSqruifN2M1it3kOf/8YZl1vurs+VtHD6nOJo6bd11+37aBidIB/BaWnzLr
-DmSTcPFa1tkTHwoLqc9+jThTq9jZ6w3lAMPpsoenyD19UmQB589+4kNp2SIO/Ttz
-VQCGgQPXE2jDCl6G9aIPMkfvpPZK4THVil3WQRCFYnYdDO4HQXo2ZuC4RiqgY5yg
-feoL+fa9k383lgxxAHQLS7xsbaVB40RmfdbdevgPYIwZNNO78ddRmMdSv6IknSW9
-gydGzY//btY+t1SWcBZWzn1Ewq8g2QIDAQABAoICAFQ/liZAIaypxA5ChP0RG/Mq
-fBSzyC1ybFlDEjbg8LrUNST6T6LtXhmipp0+pWC33SljTPumrNzh2POir+djLbt6
-Y/zL88KEHwGsf95aNxe/Lpn8N+wEyn4O+rmxXIq6mTgSwyBc1jZ8uAXu9iZ37YrQ
-07jBQA+C/GoJ3HB/uTRx1TPZjxBu3Lz8m1auYLMd1hiYfd4Y3vT9hfZXAwTjS8KA
-riZ7K+p0K1yY/+pczNDUFTAvAjSGQEvUrP+HaRLYZ5ks1/IvArBYT8iIT5Yf4YFS
-NowzxwYp9fC02OmYzf7Nf0XpUXR7+EpfI66SaLJ5f51yaOXD1olz7F/YsprpYN7+
-oQd7EKar1bY3ROM6naUZtsIoEblg6B0mkyHWQgZ9wZRbcN7Zmuc/tIpLat7se+MP
-xQeAcH4Yhgnd2G6EELpmJBcyJ0Ss3atpI1eenU+ly++L4XbDQH9norKQ1PEDXYbV
-XMAV5uIsplBL7hGIa6/u/cRMM5eN3TJchtzIHFhq9+ENMvjTOfo0bflcYR+tNxGD
-6agWlD/Apedaapu/3Xp7ekyCiy/YTIwgT4U3rprYplzFM5HbzYtZ9ThxUm+CmnYj
-ZSCKiLoaQq+11/M9zH1Je0uJP5aK0CxOii2LVRXZYaQfbDtiHNWUSM7uPIZMnDgE
-IPTpl9CEfk7U3pgiUlg5AoIBAQDjUeikACPaRuewIjLqwTT2/j+ZO+/dCG4atFZa
-W+gdZ1NVDCdowQPBZWg6bqejRr1MvORg2L83kqZDQjaT9y59qxsFhXCy26xKp7aP
-Z4pEvUQmQnnf3RYHk3EBtOHyyMetTaghTGzL3MlPGo3uGbCiYtVoPKXZXGWeiOFN
-s9RNDh/7m6harB2bmX2cK+QPdJ1roVBXQDLkjh2mvLnC5vrsw81GWSkbWQpYmnVi
-YdLhytM+UTYjTrSugtrKk9e2KOFf2uR8PVaPeINEM4uubxW5YUy6gwF8ePtWYAtZ
-Skw3kdBdShhGzHORSY3NsRTJZL6AUdkhHYFTl/rlfj1WXsdnAoIBAQDM7i0u2T+E
-HmroTGiQAIRUEwUZQFDRkcEnM75jpkQT39jXF+zmhjzS1slJF2x0E0jUBV0juVWh
-mz1kHjTMV0j3/mvCeVv0iTcdIbHYRtTwmOjzkwTsZGh6T7okYck3KexRjpyhPpcX
-hOHOPJKS/muG0ZuaJjTEbJOzrSPU0rt0ppL7nOwd5jIOoGAciWiP17G1Lyyitrv4
-mKBK6mFQQWjAgEGy3jvBocbUo7Qo8Aucm6Y4eF1fUyC/X07RBzERHS4TuM+AQlDN
-T+LgTgcwTjE+Nzow2WMwCIbhVQqFRScuWqcJ6NQ6S/dV0R+aGJ90Ey+DtiZ9N9uV
-j0omAGvM8u2/AoIBADXF94FsIw8MfNw2itLrl2riJAtMmWYxC1K33EGNwi/KdHUG
-5f+qwQerxGcmK/O81STk/iVGwJ0VzMzWSfDgpRfHNSIuOcWln3EdkVsFBDlUiF2A
-ljH1q7NpFm9v6Y80HcAKQb52xLnI5boXrwFnBFi1hoQc7KKpb8R73sgxxQPhVoF/
-hejFFE/tlEAwRce+L0r5ovaw0hks4SjDNjI7z5nYi6ObjdTRUFg7WY9HUspk32m7
-blIV2Tn67GTFal7F9uJk9m3JWMOhn3OvudguoPX0ZWEtgll+iP4axDSAFd2DWcXn
-tCxzStdQjgHdZOxrL4FNW06xGxm6Nvi4zyuySfsCggEAOuIpC3ATBxRyZYMm/FGZ
-tEquyV2omz8FQA1nJFzu7MMCHHPcdzSVH4Pl3GGloQi1gW51H8GuMDxZ/H2NcDWY
-WuG49u1GFdKjinRXFKztnKBjNzHEVWRYfOSRuMh8N6SNKbYPnWlNos1k0IypFSGT
-pe5uhnF58gK8wgD67bkLce43B6NEWSb+tSMx2qFE8SfqAQSoD6zv//NjA4OrKJNS
-1RVFS279vpqMdib/qk+nFn3G2i0Dr1NEcpihHgCyAZff2Hze6pyjeQr+RrNE74VY
-MudNiiG8lV2t2+tClZ6ULoaPvpIvAP04+WiYav+uOX0VxwO8tXgqWSQOCzNNxlr7
-IwKCAQA7odNjE6Sc2qiecrOu13kEi3gT0heshIyZ0XhePrS1vgHfCouIRvNMw4FT
-45ZZUFDSdOxhrew5GuMeLvo2YILBjmkX3UqTojQMbur7FcGH8/P0Sm0f20Vc06oS
-sQF5Ji4LSyf6t9oQKePjFIGoIc6pf6BXJZYP4rBnzQzUQjH2yzDYDY3TuV7bFJJU
-DcSTGM6nP0fRMmgBtB14o7A6Gsy6X/N2ElgbvWT8YhmUC6H8DIzmZwHRKaG6C6g5
-eEjuAYenYNM4jxeteC1neUDIdGxH/BA7JrAqcGaN9GT+R47YIfiS2WrEssD1Pi5h
-hJTbHtjEDJ7BHLC/CNUhXbpyyu1y
------END PRIVATE KEY-----
-)";
-
+  std::string cert_pem = GetTestData("crypto/pkcs7/test/sign_cert.pem");
+  std::string key_pem = GetTestData("crypto/pkcs7/test/sign_key.pem");
   bssl::UniquePtr<BIO> cert_bio(
-      BIO_new_mem_buf(const_cast<char *>(kCert), sizeof(kCert) - 1));
+      BIO_new_mem_buf(cert_pem.data(), cert_pem.size()));
   bssl::UniquePtr<X509> cert(
       PEM_read_bio_X509(cert_bio.get(), nullptr, nullptr, nullptr));
 
-  bssl::UniquePtr<BIO> key_bio(
-      BIO_new_mem_buf(const_cast<char *>(kKey), sizeof(kKey) - 1));
+  bssl::UniquePtr<BIO> key_bio(BIO_new_mem_buf(key_pem.data(), key_pem.size()));
   bssl::UniquePtr<EVP_PKEY> key(
       PEM_read_bio_PrivateKey(key_bio.get(), nullptr, nullptr, nullptr));
 
   static const char kSignedData[] = "signed data";
-  bssl::UniquePtr<BIO> data_bio(BIO_new_mem_buf(const_cast<char *>(kSignedData),
-                                                sizeof(kSignedData) - 1));
+  bssl::UniquePtr<BIO> data_bio(
+      BIO_new_mem_buf(kSignedData, sizeof(kSignedData) - 1));
 
   bssl::UniquePtr<PKCS7> pkcs7(
       PKCS7_sign(cert.get(), key.get(), /*certs=*/nullptr, data_bio.get(),
@@ -944,69 +474,8 @@
   bssl::UniquePtr<uint8_t> pkcs7_storage(pkcs7_bytes);
 
   // RSA signatures are deterministic so the output should not change.
-  static const uint8_t kExpectedOutput[] = {
-      0x30, 0x82, 0x02, 0xbc, 0x06, 0x09, 0x2a, 0x86, 0x48, 0x86, 0xf7, 0x0d,
-      0x01, 0x07, 0x02, 0xa0, 0x82, 0x02, 0xad, 0x30, 0x82, 0x02, 0xa9, 0x02,
-      0x01, 0x01, 0x31, 0x0d, 0x30, 0x0b, 0x06, 0x09, 0x60, 0x86, 0x48, 0x01,
-      0x65, 0x03, 0x04, 0x02, 0x01, 0x30, 0x0b, 0x06, 0x09, 0x2a, 0x86, 0x48,
-      0x86, 0xf7, 0x0d, 0x01, 0x07, 0x01, 0x31, 0x82, 0x02, 0x86, 0x30, 0x82,
-      0x02, 0x82, 0x02, 0x01, 0x01, 0x30, 0x5d, 0x30, 0x45, 0x31, 0x0b, 0x30,
-      0x09, 0x06, 0x03, 0x55, 0x04, 0x06, 0x13, 0x02, 0x41, 0x55, 0x31, 0x13,
-      0x30, 0x11, 0x06, 0x03, 0x55, 0x04, 0x08, 0x0c, 0x0a, 0x53, 0x6f, 0x6d,
-      0x65, 0x2d, 0x53, 0x74, 0x61, 0x74, 0x65, 0x31, 0x21, 0x30, 0x1f, 0x06,
-      0x03, 0x55, 0x04, 0x0a, 0x0c, 0x18, 0x49, 0x6e, 0x74, 0x65, 0x72, 0x6e,
-      0x65, 0x74, 0x20, 0x57, 0x69, 0x64, 0x67, 0x69, 0x74, 0x73, 0x20, 0x50,
-      0x74, 0x79, 0x20, 0x4c, 0x74, 0x64, 0x02, 0x14, 0x45, 0x59, 0x0f, 0xcc,
-      0x5f, 0xf8, 0x77, 0x0c, 0xbb, 0xe3, 0x5f, 0x50, 0x93, 0xbe, 0x6e, 0x84,
-      0x8b, 0xb2, 0x7f, 0x41, 0x30, 0x0b, 0x06, 0x09, 0x60, 0x86, 0x48, 0x01,
-      0x65, 0x03, 0x04, 0x02, 0x01, 0x30, 0x0d, 0x06, 0x09, 0x2a, 0x86, 0x48,
-      0x86, 0xf7, 0x0d, 0x01, 0x01, 0x01, 0x05, 0x00, 0x04, 0x82, 0x02, 0x00,
-      0x54, 0xd4, 0x7c, 0xdc, 0x19, 0x86, 0xa1, 0xb2, 0xbe, 0xe3, 0xa4, 0x5e,
-      0xad, 0x16, 0x6f, 0x7c, 0xf9, 0xa6, 0x40, 0x90, 0xb8, 0x78, 0x85, 0xf1,
-      0x02, 0x59, 0xe5, 0x9f, 0x83, 0xfb, 0x20, 0xcf, 0x29, 0x52, 0xb6, 0x35,
-      0x5c, 0xf9, 0xef, 0x4e, 0xc5, 0xd3, 0xa6, 0x45, 0x6e, 0xfa, 0x0a, 0xa7,
-      0x53, 0xc8, 0xf4, 0xf9, 0xd6, 0xc5, 0xd8, 0xd8, 0x04, 0x3d, 0xb4, 0x15,
-      0xa7, 0x7a, 0x53, 0xdd, 0x27, 0xfa, 0x58, 0x2e, 0x5e, 0xc4, 0xcd, 0x45,
-      0xaa, 0xc2, 0x7b, 0xf9, 0x3d, 0xd7, 0x22, 0x20, 0x90, 0xbb, 0xa5, 0x62,
-      0xd5, 0xaa, 0x39, 0x8f, 0xc1, 0x00, 0xef, 0x4b, 0x03, 0x2c, 0x32, 0xc0,
-      0xad, 0x27, 0xb6, 0xfe, 0x86, 0xe5, 0x9d, 0xf0, 0xbe, 0xb1, 0x0d, 0xa4,
-      0xa3, 0x40, 0xe0, 0xaa, 0x0a, 0x13, 0x6e, 0x61, 0x9a, 0x3b, 0xae, 0x78,
-      0xd4, 0x6f, 0x2d, 0x1d, 0x40, 0x4b, 0xe3, 0x5f, 0xf8, 0xe8, 0x21, 0x89,
-      0x35, 0x73, 0x6d, 0x7e, 0x41, 0xc6, 0x0f, 0x0c, 0x01, 0x64, 0x61, 0xa8,
-      0x37, 0xef, 0x2b, 0x95, 0xb7, 0x34, 0xac, 0xc7, 0xdb, 0x66, 0x87, 0x45,
-      0xb4, 0x0f, 0x60, 0x01, 0x07, 0x29, 0x74, 0x32, 0x0b, 0xae, 0xbc, 0x08,
-      0x88, 0x15, 0xc3, 0x79, 0x4a, 0x1c, 0x5a, 0x9c, 0xc2, 0xfb, 0x4f, 0xd3,
-      0x17, 0xc2, 0x40, 0x71, 0x37, 0xea, 0xa6, 0x1e, 0xf0, 0x5b, 0xa5, 0xd7,
-      0x9b, 0x9e, 0x57, 0x44, 0x74, 0xc5, 0xd5, 0x5f, 0xba, 0xbc, 0xd7, 0xe1,
-      0xae, 0xd0, 0xd3, 0xb5, 0x10, 0xc6, 0x8b, 0xb1, 0x83, 0x7c, 0xaa, 0x3a,
-      0xbb, 0xe8, 0x7f, 0x56, 0xc4, 0x3b, 0x9d, 0x45, 0x09, 0x9b, 0x34, 0xc9,
-      0xfb, 0x5a, 0xa1, 0xab, 0xd0, 0x07, 0x79, 0x43, 0x58, 0x44, 0xd7, 0x40,
-      0xc4, 0xa7, 0xd3, 0xe9, 0x18, 0xb9, 0x78, 0x1d, 0x93, 0x0b, 0xc1, 0xdb,
-      0xc3, 0xae, 0xc9, 0xe8, 0x2c, 0xa7, 0x8c, 0x7e, 0x31, 0x1e, 0xec, 0x1c,
-      0xab, 0x83, 0xa0, 0x5d, 0x0e, 0xc3, 0x6a, 0x7c, 0x97, 0x09, 0xcf, 0x00,
-      0xa9, 0x66, 0xda, 0x21, 0x85, 0xaa, 0x47, 0xd8, 0xea, 0x8f, 0x72, 0x54,
-      0x03, 0x6c, 0xbc, 0x4b, 0xf9, 0x92, 0xae, 0x82, 0x75, 0x33, 0x10, 0x4d,
-      0x65, 0x4d, 0x0e, 0x73, 0x5d, 0x6f, 0x09, 0xee, 0x56, 0x78, 0x87, 0x0b,
-      0xa3, 0xaa, 0xc2, 0x5f, 0x49, 0x73, 0x0d, 0x78, 0xfa, 0x40, 0xc1, 0x25,
-      0x2f, 0x5d, 0x8a, 0xe1, 0xbf, 0x38, 0x2c, 0xd0, 0x26, 0xbd, 0xf5, 0x6e,
-      0x02, 0x01, 0x2e, 0x9e, 0x27, 0x64, 0x4b, 0x61, 0x8c, 0x68, 0x6e, 0x09,
-      0xfe, 0x0b, 0xf8, 0x36, 0x4e, 0x84, 0xb7, 0x76, 0xcb, 0x41, 0xf0, 0x40,
-      0x72, 0xc9, 0x74, 0x64, 0x5f, 0xbe, 0x9e, 0xfe, 0x9e, 0xce, 0x89, 0x84,
-      0x68, 0x81, 0x57, 0x2a, 0xdb, 0xd6, 0x01, 0xa8, 0x1b, 0x6e, 0x5d, 0xc4,
-      0x65, 0xbd, 0x0d, 0x98, 0x54, 0xa3, 0x18, 0x23, 0x09, 0x4a, 0x8d, 0x6c,
-      0xc6, 0x2e, 0xfe, 0x7a, 0xa9, 0x11, 0x92, 0x8b, 0xd0, 0xc1, 0xe7, 0x76,
-      0x71, 0xec, 0x34, 0xfc, 0xc8, 0x2a, 0x5e, 0x38, 0x52, 0xe6, 0xc8, 0xa5,
-      0x1d, 0x0b, 0xce, 0xf5, 0xc0, 0xe5, 0x0b, 0x88, 0xa9, 0x55, 0x88, 0x6c,
-      0xfa, 0xea, 0xaa, 0x39, 0x66, 0xdd, 0x80, 0x52, 0xe0, 0x7e, 0x45, 0x8e,
-      0x51, 0x2c, 0x36, 0x07, 0xd7, 0x2b, 0xf1, 0x46, 0x00, 0x66, 0xb2, 0x5a,
-      0x39, 0xbe, 0xf7, 0x26, 0x15, 0xbc, 0x55, 0xdb, 0xe9, 0x01, 0xdd, 0x54,
-      0x27, 0x2b, 0xfe, 0x86, 0x52, 0xef, 0xc6, 0x27, 0xa3, 0xf7, 0x55, 0x55,
-      0xb8, 0xe2, 0x1f, 0xcb, 0x32, 0xd8, 0xba, 0xd6, 0x69, 0xde, 0x8d, 0xa7,
-      0xfa, 0xad, 0xf6, 0x2a, 0xc0, 0x6f, 0x86, 0x50, 0x27, 0x5a, 0xe2, 0xe3,
-      0xf6, 0xb9, 0x01, 0xec, 0x01, 0x37, 0x84, 0x01,
-  };
-  EXPECT_EQ(Bytes(pkcs7_bytes, pkcs7_len),
-            Bytes(kExpectedOutput, sizeof(kExpectedOutput)));
+  std::string expected = GetTestData("crypto/pkcs7/test/sign_sha256.p7s");
+  EXPECT_EQ(Bytes(pkcs7_bytes, pkcs7_len), Bytes(expected));
 
   // Other option combinations should fail.
   EXPECT_FALSE(
diff --git a/crypto/pkcs7/test/nss.p7c b/crypto/pkcs7/test/nss.p7c
new file mode 100644
index 0000000..1be5f1d
--- /dev/null
+++ b/crypto/pkcs7/test/nss.p7c
Binary files differ
diff --git a/crypto/pkcs7/test/openssl_crl.p7c b/crypto/pkcs7/test/openssl_crl.p7c
new file mode 100644
index 0000000..03c3c7f
--- /dev/null
+++ b/crypto/pkcs7/test/openssl_crl.p7c
Binary files differ
diff --git a/crypto/pkcs7/test/sign_cert.pem b/crypto/pkcs7/test/sign_cert.pem
new file mode 100644
index 0000000..09d0e33
--- /dev/null
+++ b/crypto/pkcs7/test/sign_cert.pem
@@ -0,0 +1,31 @@
+-----BEGIN CERTIFICATE-----
+MIIFazCCA1OgAwIBAgIURVkPzF/4dwy7419Qk75uhIuyf0EwDQYJKoZIhvcNAQEL
+BQAwRTELMAkGA1UEBhMCQVUxEzARBgNVBAgMClNvbWUtU3RhdGUxITAfBgNVBAoM
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+HwYDVQQKDBhJbnRlcm5ldCBXaWRnaXRzIFB0eSBMdGQwggIiMA0GCSqGSIb3DQEB
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+mjpmNsxunEQR1KLDc97fGYHeRfKoSyrCIEE8IaAEpKGR2Sku3v9Jwh7RpjupgiUA
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+vurs+VtHD6nOJo6bd11+37aBidIB/BaWnzLrDmSTcPFa1tkTHwoLqc9+jThTq9jZ
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+ENamMJZIeo8lRP9qFF2xwCEzZjRv2zvB6O5o9045aTUcdCrwUfKE2sqY6EXRzFTC
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+dN0rKqiFWv1zIwfknXvTh1P1Ap+G5jffAca0zWUH1oKjE7ZZioSsaZ6gySnD8+WQ
+TPbOYtG+n0mhCH1TrU8Dqi3rd8g5IbC8loYLRH94QtodOnevD4Qo9Orfrsr8hGOW
+ABespanZArhoQ03DAtpNhtHm2NWJQF2uHNqcTrkq0omqZBTbMD1GKMBujoNooAUu
+w51U9r+RycPJTFqEGHb0nd7EjoyXEXtuX1Ld5fTZjQ9SszmQKQ8w3lHqRGNlkSiO
+e3IOOq2ruXmq1jykxpmi82IcTRUE8TZBfL/yz0nxpHKAYC1VwMezrkgZDGz4npxf
+1z2+qd58xU6/jsf7/+3xdPFubeEJujdbCkWQsQC5Rzm48zDWGq/pyzFji44K3TA=
+-----END CERTIFICATE-----
diff --git a/crypto/pkcs7/test/sign_key.pem b/crypto/pkcs7/test/sign_key.pem
new file mode 100644
index 0000000..97c6aaf
--- /dev/null
+++ b/crypto/pkcs7/test/sign_key.pem
@@ -0,0 +1,52 @@
+-----BEGIN PRIVATE KEY-----
+MIIJQQIBADANBgkqhkiG9w0BAQEFAASCCSswggknAgEAAoICAQC1+MOn+BopcEVR
+4QMvjXdAxGkWFllXyQFDToL+qOiPRU1yN7C8KCtkbOAFttJIO4O/i0iZ7KqYbnmB
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+DmSTcPFa1tkTHwoLqc9+jThTq9jZ6w3lAMPpsoenyD19UmQB589+4kNp2SIO/Ttz
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+feoL+fa9k383lgxxAHQLS7xsbaVB40RmfdbdevgPYIwZNNO78ddRmMdSv6IknSW9
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+fBSzyC1ybFlDEjbg8LrUNST6T6LtXhmipp0+pWC33SljTPumrNzh2POir+djLbt6
+Y/zL88KEHwGsf95aNxe/Lpn8N+wEyn4O+rmxXIq6mTgSwyBc1jZ8uAXu9iZ37YrQ
+07jBQA+C/GoJ3HB/uTRx1TPZjxBu3Lz8m1auYLMd1hiYfd4Y3vT9hfZXAwTjS8KA
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+oQd7EKar1bY3ROM6naUZtsIoEblg6B0mkyHWQgZ9wZRbcN7Zmuc/tIpLat7se+MP
+xQeAcH4Yhgnd2G6EELpmJBcyJ0Ss3atpI1eenU+ly++L4XbDQH9norKQ1PEDXYbV
+XMAV5uIsplBL7hGIa6/u/cRMM5eN3TJchtzIHFhq9+ENMvjTOfo0bflcYR+tNxGD
+6agWlD/Apedaapu/3Xp7ekyCiy/YTIwgT4U3rprYplzFM5HbzYtZ9ThxUm+CmnYj
+ZSCKiLoaQq+11/M9zH1Je0uJP5aK0CxOii2LVRXZYaQfbDtiHNWUSM7uPIZMnDgE
+IPTpl9CEfk7U3pgiUlg5AoIBAQDjUeikACPaRuewIjLqwTT2/j+ZO+/dCG4atFZa
+W+gdZ1NVDCdowQPBZWg6bqejRr1MvORg2L83kqZDQjaT9y59qxsFhXCy26xKp7aP
+Z4pEvUQmQnnf3RYHk3EBtOHyyMetTaghTGzL3MlPGo3uGbCiYtVoPKXZXGWeiOFN
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+HmroTGiQAIRUEwUZQFDRkcEnM75jpkQT39jXF+zmhjzS1slJF2x0E0jUBV0juVWh
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+pe5uhnF58gK8wgD67bkLce43B6NEWSb+tSMx2qFE8SfqAQSoD6zv//NjA4OrKJNS
+1RVFS279vpqMdib/qk+nFn3G2i0Dr1NEcpihHgCyAZff2Hze6pyjeQr+RrNE74VY
+MudNiiG8lV2t2+tClZ6ULoaPvpIvAP04+WiYav+uOX0VxwO8tXgqWSQOCzNNxlr7
+IwKCAQA7odNjE6Sc2qiecrOu13kEi3gT0heshIyZ0XhePrS1vgHfCouIRvNMw4FT
+45ZZUFDSdOxhrew5GuMeLvo2YILBjmkX3UqTojQMbur7FcGH8/P0Sm0f20Vc06oS
+sQF5Ji4LSyf6t9oQKePjFIGoIc6pf6BXJZYP4rBnzQzUQjH2yzDYDY3TuV7bFJJU
+DcSTGM6nP0fRMmgBtB14o7A6Gsy6X/N2ElgbvWT8YhmUC6H8DIzmZwHRKaG6C6g5
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+hJTbHtjEDJ7BHLC/CNUhXbpyyu1y
+-----END PRIVATE KEY-----
diff --git a/crypto/pkcs7/test/sign_sha256.p7s b/crypto/pkcs7/test/sign_sha256.p7s
new file mode 100644
index 0000000..10a2c64
--- /dev/null
+++ b/crypto/pkcs7/test/sign_sha256.p7s
Binary files differ
diff --git a/crypto/pkcs7/test/windows.p7c b/crypto/pkcs7/test/windows.p7c
new file mode 100644
index 0000000..e602f95
--- /dev/null
+++ b/crypto/pkcs7/test/windows.p7c
Binary files differ
diff --git a/gen/sources.bzl b/gen/sources.bzl
index f579fa1..51240bf 100644
--- a/gen/sources.bzl
+++ b/gen/sources.bzl
@@ -852,6 +852,12 @@
     "crypto/mlkem/mlkem768_keygen_tests.txt",
     "crypto/mlkem/mlkem768_nist_decap_tests.txt",
     "crypto/mlkem/mlkem768_nist_keygen_tests.txt",
+    "crypto/pkcs7/test/nss.p7c",
+    "crypto/pkcs7/test/openssl_crl.p7c",
+    "crypto/pkcs7/test/sign_cert.pem",
+    "crypto/pkcs7/test/sign_key.pem",
+    "crypto/pkcs7/test/sign_sha256.p7s",
+    "crypto/pkcs7/test/windows.p7c",
     "crypto/pkcs8/test/bad1.p12",
     "crypto/pkcs8/test/bad2.p12",
     "crypto/pkcs8/test/bad3.p12",
diff --git a/gen/sources.cmake b/gen/sources.cmake
index 7074d39..74ea3ce 100644
--- a/gen/sources.cmake
+++ b/gen/sources.cmake
@@ -878,6 +878,12 @@
   crypto/mlkem/mlkem768_keygen_tests.txt
   crypto/mlkem/mlkem768_nist_decap_tests.txt
   crypto/mlkem/mlkem768_nist_keygen_tests.txt
+  crypto/pkcs7/test/nss.p7c
+  crypto/pkcs7/test/openssl_crl.p7c
+  crypto/pkcs7/test/sign_cert.pem
+  crypto/pkcs7/test/sign_key.pem
+  crypto/pkcs7/test/sign_sha256.p7s
+  crypto/pkcs7/test/windows.p7c
   crypto/pkcs8/test/bad1.p12
   crypto/pkcs8/test/bad2.p12
   crypto/pkcs8/test/bad3.p12
diff --git a/gen/sources.gni b/gen/sources.gni
index e810fa2..5e7dc87 100644
--- a/gen/sources.gni
+++ b/gen/sources.gni
@@ -852,6 +852,12 @@
   "crypto/mlkem/mlkem768_keygen_tests.txt",
   "crypto/mlkem/mlkem768_nist_decap_tests.txt",
   "crypto/mlkem/mlkem768_nist_keygen_tests.txt",
+  "crypto/pkcs7/test/nss.p7c",
+  "crypto/pkcs7/test/openssl_crl.p7c",
+  "crypto/pkcs7/test/sign_cert.pem",
+  "crypto/pkcs7/test/sign_key.pem",
+  "crypto/pkcs7/test/sign_sha256.p7s",
+  "crypto/pkcs7/test/windows.p7c",
   "crypto/pkcs8/test/bad1.p12",
   "crypto/pkcs8/test/bad2.p12",
   "crypto/pkcs8/test/bad3.p12",
diff --git a/gen/sources.json b/gen/sources.json
index 7a70566..d4a89b9 100644
--- a/gen/sources.json
+++ b/gen/sources.json
@@ -832,6 +832,12 @@
       "crypto/mlkem/mlkem768_keygen_tests.txt",
       "crypto/mlkem/mlkem768_nist_decap_tests.txt",
       "crypto/mlkem/mlkem768_nist_keygen_tests.txt",
+      "crypto/pkcs7/test/nss.p7c",
+      "crypto/pkcs7/test/openssl_crl.p7c",
+      "crypto/pkcs7/test/sign_cert.pem",
+      "crypto/pkcs7/test/sign_key.pem",
+      "crypto/pkcs7/test/sign_sha256.p7s",
+      "crypto/pkcs7/test/windows.p7c",
       "crypto/pkcs8/test/bad1.p12",
       "crypto/pkcs8/test/bad2.p12",
       "crypto/pkcs8/test/bad3.p12",
diff --git a/gen/sources.mk b/gen/sources.mk
index 5bb2422..54db872 100644
--- a/gen/sources.mk
+++ b/gen/sources.mk
@@ -840,6 +840,12 @@
   crypto/mlkem/mlkem768_keygen_tests.txt \
   crypto/mlkem/mlkem768_nist_decap_tests.txt \
   crypto/mlkem/mlkem768_nist_keygen_tests.txt \
+  crypto/pkcs7/test/nss.p7c \
+  crypto/pkcs7/test/openssl_crl.p7c \
+  crypto/pkcs7/test/sign_cert.pem \
+  crypto/pkcs7/test/sign_key.pem \
+  crypto/pkcs7/test/sign_sha256.p7s \
+  crypto/pkcs7/test/windows.p7c \
   crypto/pkcs8/test/bad1.p12 \
   crypto/pkcs8/test/bad2.p12 \
   crypto/pkcs8/test/bad3.p12 \