OLD | NEW |
1 /* Copyright (c) 2010 The Chromium OS Authors. All rights reserved. | 1 /* Copyright (c) 2010 The Chromium OS Authors. All rights reserved. |
2 * Use of this source code is governed by a BSD-style license that can be | 2 * Use of this source code is governed by a BSD-style license that can be |
3 * found in the LICENSE file. | 3 * found in the LICENSE file. |
4 */ | 4 */ |
5 | 5 |
6 #ifndef VBOOT_REFERENCE_RSA_H_ | 6 #ifndef VBOOT_REFERENCE_RSA_H_ |
7 #define VBOOT_REFERENCE_RSA_H_ | 7 #define VBOOT_REFERENCE_RSA_H_ |
8 | 8 |
9 #ifndef VBOOT_REFERENCE_CRYPTOLIB_H_ | 9 #ifndef VBOOT_REFERENCE_CRYPTOLIB_H_ |
10 #error "Do not include this file directly. Use cryptolib.h instead." | 10 #error "Do not include this file directly. Use cryptolib.h instead." |
11 #endif | 11 #endif |
12 | 12 |
13 #include <stdint.h> | 13 #include <stdint.h> |
14 | 14 |
15 #define RSA1024NUMBYTES 128 /* 1024 bit key length */ | 15 #define RSA1024NUMBYTES 128 /* 1024 bit key length */ |
16 #define RSA2048NUMBYTES 256 /* 2048 bit key length */ | 16 #define RSA2048NUMBYTES 256 /* 2048 bit key length */ |
17 #define RSA4096NUMBYTES 512 /* 4096 bit key length */ | 17 #define RSA4096NUMBYTES 512 /* 4096 bit key length */ |
18 #define RSA8192NUMBYTES 1024 /* 8192 bit key length */ | 18 #define RSA8192NUMBYTES 1024 /* 8192 bit key length */ |
19 | 19 |
20 #define RSA1024NUMWORDS (RSA1024NUMBYTES / sizeof(uint32_t)) | 20 #define RSA1024NUMWORDS (RSA1024NUMBYTES / sizeof(uint32_t)) |
21 #define RSA2048NUMWORDS (RSA2048NUMBYTES / sizeof(uint32_t)) | 21 #define RSA2048NUMWORDS (RSA2048NUMBYTES / sizeof(uint32_t)) |
22 #define RSA4096NUMWORDS (RSA4096NUMBYTES / sizeof(uint32_t)) | 22 #define RSA4096NUMWORDS (RSA4096NUMBYTES / sizeof(uint32_t)) |
23 #define RSA8192NUMWORDS (RSA8192NUMBYTES / sizeof(uint32_t)) | 23 #define RSA8192NUMWORDS (RSA8192NUMBYTES / sizeof(uint32_t)) |
24 | 24 |
25 typedef struct RSAPublicKey { | 25 typedef struct RSAPublicKey { |
26 int len; /* Length of n[] in number of uint32_t */ | 26 uint32_t len; /* Length of n[] in number of uint32_t */ |
27 uint32_t n0inv; /* -1 / n[0] mod 2^32 */ | 27 uint32_t n0inv; /* -1 / n[0] mod 2^32 */ |
28 uint32_t* n; /* modulus as little endian array */ | 28 uint32_t* n; /* modulus as little endian array */ |
29 uint32_t* rr; /* R^2 as little endian array */ | 29 uint32_t* rr; /* R^2 as little endian array */ |
| 30 int algorithm; /* Algorithm to use when verifying binaries with the key */ |
30 } RSAPublicKey; | 31 } RSAPublicKey; |
31 | 32 |
32 /* Verify a RSA PKCS1.5 signature [sig] of [sig_type] and length [sig_len] | 33 /* Verify a RSA PKCS1.5 signature [sig] of [sig_type] and length [sig_len] |
33 * against an expected [hash] using [key]. Returns 0 on failure, 1 on success. | 34 * against an expected [hash] using [key]. Returns 0 on failure, 1 on success. |
34 */ | 35 */ |
35 int RSAVerify(const RSAPublicKey *key, | 36 int RSAVerify(const RSAPublicKey *key, |
36 const uint8_t* sig, | 37 const uint8_t* sig, |
37 const int sig_len, | 38 const int sig_len, |
38 const uint8_t sig_type, | 39 const uint8_t sig_type, |
39 const uint8_t* hash); | 40 const uint8_t* hash); |
(...skipping 42 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
82 | 83 |
83 /* Create a RSAPublic key structure from binary blob [buf] of length | 84 /* Create a RSAPublic key structure from binary blob [buf] of length |
84 * [len]. | 85 * [len]. |
85 * | 86 * |
86 * Caller owns the returned key and must free it. | 87 * Caller owns the returned key and must free it. |
87 */ | 88 */ |
88 RSAPublicKey* RSAPublicKeyFromBuf(const uint8_t* buf, int len); | 89 RSAPublicKey* RSAPublicKeyFromBuf(const uint8_t* buf, int len); |
89 | 90 |
90 | 91 |
91 #endif /* VBOOT_REFERENCE_RSA_H_ */ | 92 #endif /* VBOOT_REFERENCE_RSA_H_ */ |
OLD | NEW |