diff options
Diffstat (limited to 'libc/rsa.h')
-rw-r--r-- | libc/rsa.h | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/libc/rsa.h b/libc/rsa.h new file mode 100644 index 0000000..ebe3881 --- /dev/null +++ b/libc/rsa.h @@ -0,0 +1,57 @@ +/* + * Copyright (C) 2008 The Android Open Source Project + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS + * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED + * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT + * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#ifndef _EMBEDDED_RSA_H_ +#define _EMBEDDED_RSA_H_ + +#include <inttypes.h> + +#ifdef __cplusplus +extern "C" { +#endif + +#define RSANUMBYTES 256 /* 2048 bit key length */ +#define RSANUMWORDS (RSANUMBYTES / 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[RSANUMWORDS]; /* modulus as little endian array */ + uint32_t rr[RSANUMWORDS]; /* R^2 as little endian array */ +} RSAPublicKey; + +int RSA_verify(RSAPublicKey *key, + const uint8_t* signature, + const int len, + const uint8_t* sha); + +#ifdef __cplusplus +} +#endif + +#endif |