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Diffstat (limited to 'botan/src/pubkey/rsa/rsa.h')
-rw-r--r-- | botan/src/pubkey/rsa/rsa.h | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/botan/src/pubkey/rsa/rsa.h b/botan/src/pubkey/rsa/rsa.h new file mode 100644 index 0000000..f07533a --- /dev/null +++ b/botan/src/pubkey/rsa/rsa.h @@ -0,0 +1,88 @@ +/* +* RSA +* (C) 1999-2008 Jack Lloyd +* +* Distributed under the terms of the Botan license +*/ + +#ifndef BOTAN_RSA_H__ +#define BOTAN_RSA_H__ + +#include <botan/if_algo.h> + +namespace Botan { + +/** +* RSA Public Key +*/ +class BOTAN_DLL RSA_PublicKey : public PK_Encrypting_Key, + public PK_Verifying_with_MR_Key, + public virtual IF_Scheme_PublicKey + { + public: + std::string algo_name() const { return "RSA"; } + + SecureVector<byte> encrypt(const byte[], u32bit, + RandomNumberGenerator& rng) const; + + SecureVector<byte> verify(const byte[], u32bit) const; + + RSA_PublicKey() {} + RSA_PublicKey(const BigInt&, const BigInt&); + protected: + BigInt public_op(const BigInt&) const; + }; + +/** +* RSA Private Key class. +*/ +class BOTAN_DLL RSA_PrivateKey : public RSA_PublicKey, + public PK_Decrypting_Key, + public PK_Signing_Key, + public IF_Scheme_PrivateKey + { + public: + SecureVector<byte> sign(const byte[], u32bit, + RandomNumberGenerator&) const; + + SecureVector<byte> decrypt(const byte[], u32bit) const; + + bool check_key(RandomNumberGenerator& rng, bool) const; + + /** + * Default constructor, does not set any internal values. Use this + * constructor if you wish to decode a DER or PEM encoded key. + */ + RSA_PrivateKey() {} + + /** + * Construct a private key from the specified parameters. + * @param rng the random number generator to use + * @param prime1 the first prime + * @param prime2 the second prime + * @param exp the exponent + * @param d_exp if specified, this has to be d with + * exp * d = 1 mod (p - 1, q - 1). Leave it as 0 if you wish to + * the constructor to calculate it. + * @param n if specified, this must be n = p * q. Leave it as 0 + * if you wish to the constructor to calculate it. + */ + RSA_PrivateKey(RandomNumberGenerator& rng, + const BigInt& p, const BigInt& q, const BigInt& e, + const BigInt& d = 0, const BigInt& n = 0); + + /** + * Create a new private key with the specified bit length + * @param rng the random number generator to use + * @param bits the desired bit length of the private key + * @param exp the public exponent to be used + */ + RSA_PrivateKey(RandomNumberGenerator& rng, + u32bit bits, u32bit exp = 65537); + private: + BigInt private_op(const byte[], u32bit) const; + }; + +} + +#endif |