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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 * Implementation of RSA utility functions. | 5 * Implementation of RSA utility functions. |
6 */ | 6 */ |
7 | 7 |
8 #include "cryptolib.h" | 8 #include "cryptolib.h" |
9 #include "stateful_util.h" | 9 #include "stateful_util.h" |
10 #include "utility.h" | 10 #include "utility.h" |
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87 sig_size = siglen_map[algorithm]; | 87 sig_size = siglen_map[algorithm]; |
88 | 88 |
89 if (key_blob && !key) | 89 if (key_blob && !key) |
90 verification_key = RSAPublicKeyFromBuf(key_blob, key_size); | 90 verification_key = RSAPublicKeyFromBuf(key_blob, key_size); |
91 else if (!key_blob && key) | 91 else if (!key_blob && key) |
92 verification_key = (RSAPublicKey*) key; /* Supress const warning. */ | 92 verification_key = (RSAPublicKey*) key; /* Supress const warning. */ |
93 else | 93 else |
94 return 0; /* Both can't be NULL or non-NULL. */ | 94 return 0; /* Both can't be NULL or non-NULL. */ |
95 | 95 |
96 digest = DigestBuf(buf, len, algorithm); | 96 digest = DigestBuf(buf, len, algorithm); |
97 success = RSAVerify(verification_key, sig, sig_size, algorithm, digest); | 97 success = RSAVerify(verification_key, sig, (uint32_t)sig_size, |
| 98 (uint8_t)algorithm, digest); |
98 | 99 |
99 Free(digest); | 100 Free(digest); |
100 if (!key) | 101 if (!key) |
101 RSAPublicKeyFree(verification_key); /* Only free if we allocated it. */ | 102 RSAPublicKeyFree(verification_key); /* Only free if we allocated it. */ |
102 return success; | 103 return success; |
103 } | 104 } |
104 | 105 |
105 /* Version of RSAVerifyBinary_f() where instead of the raw binary blob | 106 /* Version of RSAVerifyBinary_f() where instead of the raw binary blob |
106 * of data, its digest is passed as the argument. */ | 107 * of data, its digest is passed as the argument. */ |
107 int RSAVerifyBinaryWithDigest_f(const uint8_t* key_blob, | 108 int RSAVerifyBinaryWithDigest_f(const uint8_t* key_blob, |
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119 key_size = RSAProcessedKeySize(algorithm); | 120 key_size = RSAProcessedKeySize(algorithm); |
120 sig_size = siglen_map[algorithm]; | 121 sig_size = siglen_map[algorithm]; |
121 | 122 |
122 if (key_blob && !key) | 123 if (key_blob && !key) |
123 verification_key = RSAPublicKeyFromBuf(key_blob, key_size); | 124 verification_key = RSAPublicKeyFromBuf(key_blob, key_size); |
124 else if (!key_blob && key) | 125 else if (!key_blob && key) |
125 verification_key = (RSAPublicKey*) key; /* Supress const warning. */ | 126 verification_key = (RSAPublicKey*) key; /* Supress const warning. */ |
126 else | 127 else |
127 return 0; /* Both can't be NULL or non-NULL. */ | 128 return 0; /* Both can't be NULL or non-NULL. */ |
128 | 129 |
129 success = RSAVerify(verification_key, sig, sig_size, algorithm, digest); | 130 success = RSAVerify(verification_key, sig, (uint32_t)sig_size, |
| 131 (uint8_t)algorithm, digest); |
130 | 132 |
131 if (!key) | 133 if (!key) |
132 RSAPublicKeyFree(verification_key); /* Only free if we allocated it. */ | 134 RSAPublicKeyFree(verification_key); /* Only free if we allocated it. */ |
133 return success; | 135 return success; |
134 } | 136 } |
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