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// Copyright 2008 Google Inc. All Rights Reserved.
// Author: mschilder@google.com (Marius Schilder)
#ifndef _EMBEDDED_RSA_H_
#define _EMBEDDED_RSA_H_
#include <inttypes.h>
#ifdef __cplusplus
extern "C" {
#endif // __cplusplus
#define RSANUMBYTES 256 // 2048 bit key length
#define RSANUMWORDS (RSANUMBYTES / sizeof(uint32_t))
typedef struct RSAPublicKeyInstance {
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
} RSAPublicKeyInstance;
typedef const RSAPublicKeyInstance * const RSAPublicKey;
int RSA_verify(RSAPublicKey mod,
const uint8_t* signature,
const int len,
const uint8_t* sha);
#ifdef __cplusplus
}
#endif // __cplusplus
#endif // _EMBEDDED_RSA_H_
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