Import some PKCS8_decrypt test vectors from Chromium.

This includes examples with both the NULL and empty passwords, thanks to
PKCS#12's password ambiguity.

Change-Id: Iae31840c1d31929fa9ac231509acaa80ef5b74bb
Reviewed-on: https://boringssl-review.googlesource.com/13060
Commit-Queue: David Benjamin <davidben@google.com>
Reviewed-by: Adam Langley <alangley@gmail.com>
diff --git a/crypto/pkcs8/pkcs8_test.cc b/crypto/pkcs8/pkcs8_test.cc
index cbb2043..af6dede 100644
--- a/crypto/pkcs8/pkcs8_test.cc
+++ b/crypto/pkcs8/pkcs8_test.cc
@@ -60,7 +60,88 @@
   0xd6, 0x2d,
 };
 
-static bool test(const uint8_t *der, size_t der_len) {
+/* kNullPassword is a PKCS#8 encrypted private key using the null password. */
+static const uint8_t kNullPassword[] = {
+    0x30, 0x81, 0xb0, 0x30, 0x1b, 0x06, 0x0a, 0x2a, 0x86, 0x48, 0x86, 0xf7,
+    0x0d, 0x01, 0x0c, 0x01, 0x03, 0x30, 0x0d, 0x04, 0x08, 0xb2, 0xfe, 0x68,
+    0xc2, 0xea, 0x0f, 0x10, 0x9c, 0x02, 0x01, 0x01, 0x04, 0x81, 0x90, 0xe2,
+    0xf6, 0x1c, 0xca, 0xad, 0x64, 0x30, 0xbf, 0x88, 0x04, 0x35, 0xe5, 0x0f,
+    0x11, 0x49, 0x06, 0x01, 0x14, 0x33, 0x80, 0xa2, 0x78, 0x44, 0x5b, 0xaa,
+    0x0d, 0xd7, 0x00, 0x36, 0x9d, 0x91, 0x97, 0x37, 0x20, 0x7b, 0x27, 0xc1,
+    0xa0, 0xa2, 0x73, 0x06, 0x15, 0xdf, 0xc8, 0x13, 0x9b, 0xc9, 0x8c, 0x9c,
+    0xce, 0x00, 0xd0, 0xc8, 0x42, 0xc1, 0xda, 0x2b, 0x07, 0x2b, 0x12, 0xa3,
+    0xce, 0x10, 0x39, 0x7a, 0xf1, 0x55, 0x69, 0x8d, 0xa5, 0xc4, 0x2a, 0x00,
+    0x0d, 0x94, 0xc6, 0xde, 0x6a, 0x3d, 0xb7, 0xe5, 0x6d, 0x59, 0x3e, 0x09,
+    0xb5, 0xe3, 0x3e, 0xfc, 0x50, 0x56, 0xe9, 0x50, 0x42, 0x7c, 0xe7, 0xf0,
+    0x19, 0xbd, 0x31, 0xa7, 0x85, 0x47, 0xb3, 0xe9, 0xb3, 0x50, 0x3c, 0xc9,
+    0x32, 0x37, 0x1a, 0x93, 0x78, 0x48, 0x78, 0x82, 0xde, 0xad, 0x5c, 0xf2,
+    0xcf, 0xf2, 0xbb, 0x2c, 0x44, 0x05, 0x7f, 0x4a, 0xf9, 0xb1, 0x2b, 0xdd,
+    0x49, 0xf6, 0x7e, 0xd0, 0x42, 0xaa, 0x14, 0x3c, 0x24, 0x77, 0xb4,
+};
+
+/* kNullPasswordNSS is a PKCS#8 encrypted private key using the null password
+ * and generated by NSS. */
+static const uint8_t kNullPasswordNSS[] = {
+    0x30, 0x81, 0xb8, 0x30, 0x23, 0x06, 0x0a, 0x2a, 0x86, 0x48, 0x86, 0xf7,
+    0x0d, 0x01, 0x0c, 0x01, 0x03, 0x30, 0x15, 0x04, 0x10, 0x3f, 0xac, 0xe9,
+    0x38, 0xdb, 0x40, 0x6b, 0x26, 0x89, 0x09, 0x73, 0x18, 0x8d, 0x7f, 0x1c,
+    0x82, 0x02, 0x01, 0x01, 0x04, 0x81, 0x90, 0x5e, 0x5e, 0x11, 0xef, 0xbb,
+    0x7c, 0x4d, 0xec, 0xc0, 0xdc, 0xc7, 0x23, 0xd2, 0xc4, 0x77, 0xbc, 0xf4,
+    0x5d, 0x59, 0x4c, 0x07, 0xc2, 0x8a, 0x26, 0xfa, 0x25, 0x1c, 0xaa, 0x42,
+    0xed, 0xd0, 0xed, 0xbb, 0x5c, 0xe9, 0x13, 0x07, 0xaa, 0xdd, 0x52, 0x3c,
+    0x65, 0x25, 0xbf, 0x94, 0x02, 0xaf, 0xd6, 0x97, 0xe9, 0x33, 0x00, 0x76,
+    0x64, 0x4a, 0x73, 0xab, 0xfb, 0x99, 0x6e, 0x83, 0x12, 0x05, 0x86, 0x72,
+    0x6c, 0xd5, 0xa4, 0xcf, 0xb1, 0xd5, 0x4d, 0x54, 0x87, 0x8b, 0x4b, 0x95,
+    0x1d, 0xcd, 0xf3, 0xfe, 0xa8, 0xda, 0xe0, 0xb6, 0x72, 0x13, 0x3f, 0x2e,
+    0x66, 0xe0, 0xb9, 0x2e, 0xfa, 0x69, 0x40, 0xbe, 0xd7, 0x67, 0x6e, 0x53,
+    0x2b, 0x3f, 0x53, 0xe5, 0x39, 0x54, 0x77, 0xe1, 0x1d, 0xe6, 0x81, 0x92,
+    0x58, 0x82, 0x14, 0xfb, 0x47, 0x85, 0x3c, 0xc3, 0xdf, 0xdd, 0xcc, 0x79,
+    0x9f, 0x41, 0x83, 0x72, 0xf2, 0x0a, 0xe9, 0xe1, 0x2c, 0x12, 0xb0, 0xb0,
+    0x0a, 0xb2, 0x1d, 0xca, 0x15, 0xb2, 0xca,
+};
+
+/* kEmptyPasswordOpenSSL is a PKCS#8 encrypted private key using the empty
+ * password and generated by OpenSSL. */
+static const uint8_t kEmptyPasswordOpenSSL[] = {
+    0x30, 0x82, 0x01, 0xa1, 0x30, 0x1b, 0x06, 0x0a, 0x2a, 0x86, 0x48, 0x86,
+    0xf7, 0x0d, 0x01, 0x0c, 0x01, 0x03, 0x30, 0x0d, 0x04, 0x08, 0x86, 0xaa,
+    0xd7, 0xdf, 0x3b, 0x91, 0x97, 0x60, 0x02, 0x01, 0x01, 0x04, 0x82, 0x01,
+    0x80, 0xcb, 0x2a, 0x14, 0xaa, 0x4f, 0x38, 0x4c, 0xe1, 0x49, 0x00, 0xe2,
+    0x1a, 0x3a, 0x75, 0x87, 0x7e, 0x3d, 0xea, 0x4d, 0x53, 0xd4, 0x46, 0x47,
+    0x23, 0x8f, 0xa1, 0x72, 0x51, 0x92, 0x86, 0x8b, 0xeb, 0x53, 0xe6, 0x6a,
+    0x0a, 0x6b, 0xb6, 0xa0, 0xdc, 0x0f, 0xdc, 0x20, 0xc3, 0x45, 0x85, 0xf1,
+    0x95, 0x90, 0x5c, 0xf4, 0xfa, 0xee, 0x47, 0xaf, 0x35, 0xd0, 0xd0, 0xd3,
+    0x14, 0xde, 0x0d, 0xca, 0x1b, 0xd3, 0xbb, 0x20, 0xec, 0x9d, 0x6a, 0xd4,
+    0xc1, 0xce, 0x60, 0x81, 0xab, 0x0c, 0x72, 0x10, 0xfa, 0x28, 0x3c, 0xac,
+    0x87, 0x7b, 0x82, 0x85, 0x00, 0xb8, 0x58, 0x9c, 0x07, 0xc4, 0x7d, 0xa9,
+    0xc5, 0x94, 0x95, 0xf7, 0x23, 0x93, 0x3f, 0xed, 0xef, 0x92, 0x55, 0x25,
+    0x74, 0xbb, 0xd3, 0xd1, 0x67, 0x3b, 0x3d, 0x5a, 0xfe, 0x84, 0xf8, 0x97,
+    0x7d, 0x7c, 0x01, 0xc7, 0xd7, 0x0d, 0xf8, 0xc3, 0x6d, 0xd6, 0xf1, 0xaa,
+    0x9d, 0x1f, 0x69, 0x97, 0x45, 0x06, 0xc4, 0x1c, 0x95, 0x3c, 0xe0, 0xef,
+    0x11, 0xb2, 0xb3, 0x72, 0x91, 0x9e, 0x7d, 0x0f, 0x7f, 0xc8, 0xf6, 0x64,
+    0x49, 0x5e, 0x3c, 0x53, 0x37, 0x79, 0x03, 0x1c, 0x3f, 0x29, 0x6c, 0x6b,
+    0xea, 0x4c, 0x35, 0x9b, 0x6d, 0x1b, 0x59, 0x43, 0x4c, 0x14, 0x47, 0x2a,
+    0x36, 0x39, 0x2a, 0xd8, 0x96, 0x90, 0xdc, 0xfc, 0xd2, 0xdd, 0x23, 0x0e,
+    0x2c, 0xb3, 0x83, 0xf9, 0xf2, 0xe3, 0xe6, 0x99, 0x53, 0x57, 0x33, 0xc5,
+    0x5f, 0xf9, 0xfd, 0x56, 0x0b, 0x32, 0xd4, 0xf3, 0x9d, 0x5b, 0x34, 0xe5,
+    0x94, 0xbf, 0xb6, 0xc0, 0xce, 0xe1, 0x73, 0x5c, 0x02, 0x7a, 0x4c, 0xed,
+    0xde, 0x23, 0x38, 0x89, 0x9f, 0xcd, 0x51, 0xf3, 0x90, 0x80, 0xd3, 0x4b,
+    0x83, 0xd3, 0xee, 0xf2, 0x9e, 0x35, 0x91, 0xa5, 0xa3, 0xc0, 0x5c, 0xce,
+    0xdb, 0xaa, 0x70, 0x1e, 0x1d, 0xc1, 0x44, 0xea, 0x3b, 0xa7, 0x5a, 0x11,
+    0xd1, 0xf3, 0xf3, 0xd0, 0xf4, 0x5a, 0xc4, 0x99, 0xaf, 0x8d, 0xe2, 0xbc,
+    0xa2, 0xb9, 0x3d, 0x86, 0x5e, 0xba, 0xa0, 0xdf, 0x78, 0x81, 0x7c, 0x54,
+    0x31, 0xe3, 0x98, 0xb5, 0x46, 0xcb, 0x4d, 0x26, 0x4b, 0xf8, 0xac, 0x3a,
+    0x54, 0x1b, 0x77, 0x5a, 0x18, 0xa5, 0x43, 0x0e, 0x14, 0xde, 0x7b, 0xb7,
+    0x4e, 0x45, 0x99, 0x03, 0xd1, 0x3d, 0x18, 0xb2, 0x36, 0x00, 0x48, 0x07,
+    0x72, 0xbb, 0x4f, 0x21, 0x25, 0x3e, 0xda, 0x25, 0x24, 0x5b, 0xc8, 0xa0,
+    0x28, 0xd5, 0x9b, 0x96, 0x87, 0x07, 0x77, 0x84, 0xff, 0xd7, 0xac, 0x71,
+    0xf6, 0x61, 0x63, 0x0b, 0xfb, 0x42, 0xfd, 0x52, 0xf4, 0xc4, 0x35, 0x0c,
+    0xc2, 0xc1, 0x55, 0x22, 0x42, 0x2f, 0x13, 0x7d, 0x93, 0x27, 0xc8, 0x11,
+    0x35, 0xc5, 0xe3, 0xc5, 0xaa, 0x15, 0x3c, 0xac, 0x30, 0xbc, 0x45, 0x16,
+    0xed,
+};
+
+static bool test(const uint8_t *der, size_t der_len, const char *password) {
   const uint8_t *data = der;
   bssl::UniquePtr<X509_SIG> sig(d2i_X509_SIG(NULL, &data, der_len));
   if (sig.get() == NULL || data != der + der_len) {
@@ -68,8 +149,8 @@
     return false;
   }
 
-  static const char kPassword[] = "testing";
-  bssl::UniquePtr<PKCS8_PRIV_KEY_INFO> keypair(PKCS8_decrypt(sig.get(), kPassword, -1));
+  bssl::UniquePtr<PKCS8_PRIV_KEY_INFO> keypair(
+      PKCS8_decrypt(sig.get(), password, -1));
   if (!keypair) {
     fprintf(stderr, "PKCS8_decrypt failed.\n");
     ERR_print_errors_fp(stderr);
@@ -80,7 +161,10 @@
 }
 
 int main(int argc, char **argv) {
-  if (!test(kDER, sizeof(kDER))) {
+  if (!test(kDER, sizeof(kDER), "testing") ||
+      !test(kNullPassword, sizeof(kNullPassword), NULL) ||
+      !test(kNullPasswordNSS, sizeof(kNullPasswordNSS), NULL) ||
+      !test(kEmptyPasswordOpenSSL, sizeof(kEmptyPasswordOpenSSL), "")) {
     return 1;
   }