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-rw-r--r--src/pubkey/rsa/info.txt8
-rw-r--r--src/pubkey/rsa/rsa.cpp121
-rw-r--r--src/pubkey/rsa/rsa.h155
3 files changed, 0 insertions, 284 deletions
diff --git a/src/pubkey/rsa/info.txt b/src/pubkey/rsa/info.txt
deleted file mode 100644
index 6171642bc..000000000
--- a/src/pubkey/rsa/info.txt
+++ /dev/null
@@ -1,8 +0,0 @@
-define RSA 20131128
-
-<requires>
-if_algo
-keypair
-libstate
-numbertheory
-</requires>
diff --git a/src/pubkey/rsa/rsa.cpp b/src/pubkey/rsa/rsa.cpp
deleted file mode 100644
index 199ce6ad8..000000000
--- a/src/pubkey/rsa/rsa.cpp
+++ /dev/null
@@ -1,121 +0,0 @@
-/*
-* RSA
-* (C) 1999-2010 Jack Lloyd
-*
-* Distributed under the terms of the Botan license
-*/
-
-#include <botan/rsa.h>
-#include <botan/parsing.h>
-#include <botan/numthry.h>
-#include <botan/keypair.h>
-#include <future>
-
-namespace Botan {
-
-/*
-* Create a RSA private key
-*/
-RSA_PrivateKey::RSA_PrivateKey(RandomNumberGenerator& rng,
- size_t bits, size_t exp)
- {
- if(bits < 1024)
- throw Invalid_Argument(algo_name() + ": Can't make a key that is only " +
- std::to_string(bits) + " bits long");
- if(exp < 3 || exp % 2 == 0)
- throw Invalid_Argument(algo_name() + ": Invalid encryption exponent");
-
- e = exp;
-
- do
- {
- p = random_prime(rng, (bits + 1) / 2, e);
- q = random_prime(rng, bits - p.bits(), e);
- n = p * q;
- } while(n.bits() != bits);
-
- d = inverse_mod(e, lcm(p - 1, q - 1));
- d1 = d % (p - 1);
- d2 = d % (q - 1);
- c = inverse_mod(q, p);
-
- gen_check(rng);
- }
-
-/*
-* Check Private RSA Parameters
-*/
-bool RSA_PrivateKey::check_key(RandomNumberGenerator& rng, bool strong) const
- {
- if(!IF_Scheme_PrivateKey::check_key(rng, strong))
- return false;
-
- if(!strong)
- return true;
-
- if((e * d) % lcm(p - 1, q - 1) != 1)
- return false;
-
- return KeyPair::signature_consistency_check(rng, *this, "EMSA4(SHA-1)");
- }
-
-RSA_Private_Operation::RSA_Private_Operation(const RSA_PrivateKey& rsa,
- RandomNumberGenerator& rng) :
- n(rsa.get_n()),
- q(rsa.get_q()),
- c(rsa.get_c()),
- powermod_e_n(rsa.get_e(), rsa.get_n()),
- powermod_d1_p(rsa.get_d1(), rsa.get_p()),
- powermod_d2_q(rsa.get_d2(), rsa.get_q()),
- mod_p(rsa.get_p())
- {
- BigInt k(rng, n.bits() - 1);
- blinder = Blinder(powermod_e_n(k), inverse_mod(k, n), n);
- }
-
-BigInt RSA_Private_Operation::private_op(const BigInt& m) const
- {
- if(m >= n)
- throw Invalid_Argument("RSA private op - input is too large");
-
- auto future_j1 = std::async(std::launch::async, powermod_d1_p, m);
- BigInt j2 = powermod_d2_q(m);
- BigInt j1 = future_j1.get();
-
- j1 = mod_p.reduce(sub_mul(j1, j2, c));
-
- return mul_add(j1, q, j2);
- }
-
-secure_vector<byte>
-RSA_Private_Operation::sign(const byte msg[], size_t msg_len,
- RandomNumberGenerator& rng)
- {
- rng.add_entropy(msg, msg_len);
-
- /* We don't check signatures against powermod_e_n here because
- PK_Signer checks verification consistency for all signature
- algorithms.
- */
-
- const BigInt m(msg, msg_len);
- const BigInt x = blinder.unblind(private_op(blinder.blind(m)));
- return BigInt::encode_1363(x, n.bytes());
- }
-
-/*
-* RSA Decryption Operation
-*/
-secure_vector<byte>
-RSA_Private_Operation::decrypt(const byte msg[], size_t msg_len)
- {
- const BigInt m(msg, msg_len);
- const BigInt x = blinder.unblind(private_op(blinder.blind(m)));
-
- BOTAN_ASSERT(m == powermod_e_n(x),
- "RSA decrypt passed consistency check");
-
- return BigInt::encode_locked(x);
- }
-
-}
diff --git a/src/pubkey/rsa/rsa.h b/src/pubkey/rsa/rsa.h
deleted file mode 100644
index 4d9189d20..000000000
--- a/src/pubkey/rsa/rsa.h
+++ /dev/null
@@ -1,155 +0,0 @@
-/*
-* 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>
-#include <botan/pk_ops.h>
-#include <botan/reducer.h>
-#include <botan/blinding.h>
-
-namespace Botan {
-
-/**
-* RSA Public Key
-*/
-class BOTAN_DLL RSA_PublicKey : public virtual IF_Scheme_PublicKey
- {
- public:
- std::string algo_name() const { return "RSA"; }
-
- RSA_PublicKey(const AlgorithmIdentifier& alg_id,
- const secure_vector<byte>& key_bits) :
- IF_Scheme_PublicKey(alg_id, key_bits)
- {}
-
- /**
- * Create a RSA_PublicKey
- * @arg n the modulus
- * @arg e the exponent
- */
- RSA_PublicKey(const BigInt& n, const BigInt& e) :
- IF_Scheme_PublicKey(n, e)
- {}
-
- protected:
- RSA_PublicKey() {}
- };
-
-/**
-* RSA Private Key
-*/
-class BOTAN_DLL RSA_PrivateKey : public RSA_PublicKey,
- public IF_Scheme_PrivateKey
- {
- public:
- bool check_key(RandomNumberGenerator& rng, bool) const;
-
- RSA_PrivateKey(const AlgorithmIdentifier& alg_id,
- const secure_vector<byte>& key_bits,
- RandomNumberGenerator& rng) :
- IF_Scheme_PrivateKey(rng, alg_id, key_bits) {}
-
- /**
- * Construct a private key from the specified parameters.
- * @param rng a random number generator
- * @param p the first prime
- * @param q the second prime
- * @param e the exponent
- * @param d 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) :
- IF_Scheme_PrivateKey(rng, p, q, e, d, n) {}
-
- /**
- * 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,
- size_t bits, size_t exp = 65537);
- };
-
-/**
-* RSA private (decrypt/sign) operation
-*/
-class BOTAN_DLL RSA_Private_Operation : public PK_Ops::Signature,
- public PK_Ops::Decryption
- {
- public:
- RSA_Private_Operation(const RSA_PrivateKey& rsa,
- RandomNumberGenerator& rng);
-
- size_t max_input_bits() const { return (n.bits() - 1); }
-
- secure_vector<byte> sign(const byte msg[], size_t msg_len,
- RandomNumberGenerator& rng);
-
- secure_vector<byte> decrypt(const byte msg[], size_t msg_len);
-
- private:
- BigInt private_op(const BigInt& m) const;
-
- const BigInt& n;
- const BigInt& q;
- const BigInt& c;
- Fixed_Exponent_Power_Mod powermod_e_n, powermod_d1_p, powermod_d2_q;
- Modular_Reducer mod_p;
- Blinder blinder;
- };
-
-/**
-* RSA public (encrypt/verify) operation
-*/
-class BOTAN_DLL RSA_Public_Operation : public PK_Ops::Verification,
- public PK_Ops::Encryption
- {
- public:
- RSA_Public_Operation(const RSA_PublicKey& rsa) :
- n(rsa.get_n()), powermod_e_n(rsa.get_e(), rsa.get_n())
- {}
-
- size_t max_input_bits() const { return (n.bits() - 1); }
- bool with_recovery() const { return true; }
-
- secure_vector<byte> encrypt(const byte msg[], size_t msg_len,
- RandomNumberGenerator&)
- {
- BigInt m(msg, msg_len);
- return BigInt::encode_1363(public_op(m), n.bytes());
- }
-
- secure_vector<byte> verify_mr(const byte msg[], size_t msg_len)
- {
- BigInt m(msg, msg_len);
- return BigInt::encode_locked(public_op(m));
- }
-
- private:
- BigInt public_op(const BigInt& m) const
- {
- if(m >= n)
- throw Invalid_Argument("RSA public op - input is too large");
- return powermod_e_n(m);
- }
-
- const BigInt& n;
- Fixed_Exponent_Power_Mod powermod_e_n;
- };
-
-}
-
-#endif
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