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 3 * found in the LICENSE file. 4 * 5 * Host-side functions for verified boot. 6 */ 7 8 #ifndef VBOOT_REFERENCE_HOST_KEY_H_ 9 #define VBOOT_REFERENCE_HOST_KEY_H_ 10 11 #include "cryptolib.h" 12 #include "vboot_struct.h" 13 14 15 typedef struct rsa_st RSA; 16 17 /* Private key data */ 18 typedef struct VbPrivateKey { 19 RSA* rsa_private_key; /* Private key data */ 20 uint64_t algorithm; /* Algorithm to use when signing */ 21 } VbPrivateKey; 22 23 24 /* Read a private key from a .pem file. Caller owns the returned pointer, 25 * and must free it with PrivateKeyFree(). */ 26 VbPrivateKey* PrivateKeyReadPem(const char* filename, uint64_t algorithm); 27 28 29 /* Free a private key. */ 30 void PrivateKeyFree(VbPrivateKey* key); 31 32 /* Write a private key to a file in .vbprivk format. */ 33 int PrivateKeyWrite(const char* filename, const VbPrivateKey* key); 34 35 /* Read a privake key from a .vbprivk file. Caller owns the returned 36 * pointer, and must free it with PrivateKeyFree(). 37 * 38 * Returns NULL if error. */ 39 VbPrivateKey* PrivateKeyRead(const char* filename); 40 41 42 43 /* Allocate a new public key with space for a [key_size] byte key. */ 44 VbPublicKey* PublicKeyAlloc(uint64_t key_size, uint64_t algorithm, 45 uint64_t version); 46 47 48 /* Read a public key from a .vbpubk file. Caller owns the returned 49 * pointer, and must free it with Free(). 50 * 51 * Returns NULL if error. */ 52 VbPublicKey* PublicKeyRead(const char* filename); 53 54 /* Return true if the public key struct appears correct. */ 55 int PublicKeyLooksOkay(VbPublicKey *key, uint64_t file_size); 56 57 /* Read a public key from a .keyb file. Caller owns the returned 58 * pointer, and must free it with Free(). 59 * 60 * Returns NULL if error. */ 61 VbPublicKey* PublicKeyReadKeyb(const char* filename, uint64_t algorithm, 62 uint64_t version); 63 64 65 /* Write a public key to a file in .vbpubk format. */ 66 int PublicKeyWrite(const char* filename, const VbPublicKey* key); 67 68 69 #endif /* VBOOT_REFERENCE_HOST_KEY_H_ */ 70
