Index: src/platform/vboot_reference/include/rsa.h |
diff --git a/src/platform/vboot_reference/include/rsa.h b/src/platform/vboot_reference/include/rsa.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..1969ab651d33e4ffd7cd70f4299ba8a9154a2378 |
--- /dev/null |
+++ b/src/platform/vboot_reference/include/rsa.h |
@@ -0,0 +1,37 @@ |
+/* Copyright (c) 2010 The Chromium OS Authors. All rights reserved. |
+ * Use of this source code is governed by a BSD-style license that can be |
+ * found in the LICENSE file. |
+ */ |
+ |
+#ifndef VBOOT_REFERENCE_RSA_H_ |
+#define VBOOT_REFERENCE_RSA_H_ |
+ |
+#include <inttypes.h> |
+ |
+#define RSA1024NUMBYTES 128 /* 1024 bit key length */ |
+#define RSA2048NUMBYTES 256 /* 2048 bit key length */ |
+#define RSA4096NUMBYTES 512 /* 4096 bit key length */ |
+#define RSA8192NUMBYTES 1024 /* 8192 bit key length */ |
+ |
+#define RSA1024NUMWORDS (RSA1024NUMBYTES / sizeof(uint32_t)) |
+#define RSA2048NUMWORDS (RSA2048NUMBYTES / sizeof(uint32_t)) |
+#define RSA4096NUMWORDS (RSA4096NUMBYTES / sizeof(uint32_t)) |
+#define RSA8192NUMWORDS (RSA8192NUMBYTES / sizeof(uint32_t)) |
+ |
+typedef struct RSAPublicKey { |
+ int len; /* Length of n[] in number of uint32_t */ |
+ uint32_t n0inv; /* -1 / n[0] mod 2^32 */ |
+ uint32_t* n; /* modulus as little endian array */ |
+ uint32_t* rr; /* R^2 as little endian array */ |
+} RSAPublicKey; |
+ |
+/* Verify a RSA PKCS1.5 signature [sig] of [sig_type] and length [sig_len] |
+ * against an expected [hash] using [key]. Returns 0 on failure, 1 on success. |
+ */ |
+int RSA_verify(const RSAPublicKey *key, |
+ const uint8_t* sig, |
+ const int sig_len, |
+ const uint8_t sig_type, |
+ const uint8_t* hash); |
+ |
+#endif /* VBOOT_REFERENCE_RSA_H_ */ |