ffi_pk_op.cpp File Reference

#include <botan/ffi.h>
#include <botan/internal/ffi_util.h>
#include <botan/internal/ffi_pkey.h>
#include <botan/internal/ffi_rng.h>
#include <botan/pubkey.h>

Go to the source code of this file.

Functions
	BOTAN_FFI_DECLARE_STRUCT (botan_pk_op_encrypt_struct, Botan::PK_Encryptor, 0x891F3FC3)
	BOTAN_FFI_DECLARE_STRUCT (botan_pk_op_decrypt_struct, Botan::PK_Decryptor, 0x912F3C37)
	BOTAN_FFI_DECLARE_STRUCT (botan_pk_op_sign_struct, Botan::PK_Signer, 0x1AF0C39F)
	BOTAN_FFI_DECLARE_STRUCT (botan_pk_op_verify_struct, Botan::PK_Verifier, 0x2B91F936)
	BOTAN_FFI_DECLARE_STRUCT (botan_pk_op_ka_struct, Botan::PK_Key_Agreement, 0x2939CAB1)
int	botan_pk_op_decrypt (botan_pk_op_decrypt_t op, uint8_t out[], size_t *out_len, const uint8_t ciphertext[], size_t ciphertext_len)
int	botan_pk_op_decrypt_create (botan_pk_op_decrypt_t *op, botan_privkey_t key_obj, const char *padding, uint32_t flags)
int	botan_pk_op_decrypt_destroy (botan_pk_op_decrypt_t op)
int	botan_pk_op_decrypt_output_length (botan_pk_op_decrypt_t op, size_t ctext_len, size_t *ptext_len)
int	botan_pk_op_encrypt (botan_pk_op_encrypt_t op, botan_rng_t rng_obj, uint8_t out[], size_t *out_len, const uint8_t plaintext[], size_t plaintext_len)
int	botan_pk_op_encrypt_create (botan_pk_op_encrypt_t *op, botan_pubkey_t key_obj, const char *padding, uint32_t flags)
int	botan_pk_op_encrypt_destroy (botan_pk_op_encrypt_t op)
int	botan_pk_op_encrypt_output_length (botan_pk_op_encrypt_t op, size_t ptext_len, size_t *ctext_len)
int	botan_pk_op_key_agreement (botan_pk_op_ka_t op, uint8_t out[], size_t *out_len, const uint8_t other_key[], size_t other_key_len, const uint8_t salt[], size_t salt_len)
int	botan_pk_op_key_agreement_create (botan_pk_op_ka_t *op, botan_privkey_t key_obj, const char *kdf, uint32_t flags)
int	botan_pk_op_key_agreement_destroy (botan_pk_op_ka_t op)
int	botan_pk_op_key_agreement_export_public (botan_privkey_t key, uint8_t out[], size_t *out_len)
int	botan_pk_op_key_agreement_size (botan_pk_op_ka_t op, size_t *out_len)
int	botan_pk_op_sign_create (botan_pk_op_sign_t *op, botan_privkey_t key_obj, const char *hash, uint32_t flags)
int	botan_pk_op_sign_destroy (botan_pk_op_sign_t op)
int	botan_pk_op_sign_finish (botan_pk_op_sign_t op, botan_rng_t rng_obj, uint8_t out[], size_t *out_len)
int	botan_pk_op_sign_output_length (botan_pk_op_sign_t op, size_t *sig_len)
int	botan_pk_op_sign_update (botan_pk_op_sign_t op, const uint8_t in[], size_t in_len)
int	botan_pk_op_verify_create (botan_pk_op_verify_t *op, botan_pubkey_t key_obj, const char *hash, uint32_t flags)
int	botan_pk_op_verify_destroy (botan_pk_op_verify_t op)
int	botan_pk_op_verify_finish (botan_pk_op_verify_t op, const uint8_t sig[], size_t sig_len)
int	botan_pk_op_verify_update (botan_pk_op_verify_t op, const uint8_t in[], size_t in_len)

Function Documentation

BOTAN_FFI_DECLARE_STRUCT	(	botan_pk_op_encrypt_struct	,
		Botan::PK_Encryptor	,
		0x891F3FC3
	)

BOTAN_FFI_DECLARE_STRUCT	(	botan_pk_op_decrypt_struct	,
		Botan::PK_Decryptor	,
		0x912F3C37
	)

BOTAN_FFI_DECLARE_STRUCT	(	botan_pk_op_sign_struct	,
		Botan::PK_Signer	,
		0x1AF0C39F
	)

BOTAN_FFI_DECLARE_STRUCT	(	botan_pk_op_verify_struct	,
		Botan::PK_Verifier	,
		0x2B91F936
	)

BOTAN_FFI_DECLARE_STRUCT	(	botan_pk_op_ka_struct	,
		Botan::PK_Key_Agreement	,
		0x2939CAB1
	)

int botan_pk_op_decrypt	(	botan_pk_op_decrypt_t	op,
		uint8_t	out[],
		size_t *	out_len,
		const uint8_t	ciphertext[],
		size_t	ciphertext_len
	)

Definition at line 100 of file ffi_pk_op.cpp.

References BOTAN_FFI_DO, and Botan_FFI::write_vec_output().

   {
   return BOTAN_FFI_DO(Botan::PK_Decryptor, op, o, {
      return write_vec_output(out, out_len, o.decrypt(ciphertext, ciphertext_len));
      });
   }

int botan_pk_op_decrypt_create	(	botan_pk_op_decrypt_t *	op,
		botan_privkey_t	key_obj,
		const char *	padding,
		uint32_t	flags
	)

Definition at line 68 of file ffi_pk_op.cpp.

References BOTAN_FFI_ERROR_BAD_FLAG, BOTAN_FFI_ERROR_NULL_POINTER, BOTAN_FFI_SUCCESS, Botan_FFI::ffi_guard_thunk(), Botan_FFI::safe_get(), and Botan::system_rng().

   {
   if(op == nullptr)
      return BOTAN_FFI_ERROR_NULL_POINTER;

   if(flags != 0)
      return BOTAN_FFI_ERROR_BAD_FLAG;

   return ffi_guard_thunk(__func__, [=]() -> int {
      *op = nullptr;

      std::unique_ptr<Botan::PK_Decryptor> pk(new Botan::PK_Decryptor_EME(safe_get(key_obj), Botan::system_rng(), padding));
      *op = new botan_pk_op_decrypt_struct(pk.release());
      return BOTAN_FFI_SUCCESS;
      });
   }

int botan_pk_op_decrypt_destroy

(

botan_pk_op_decrypt_t

op

)

Returns

0 if success, error if invalid object handle

Definition at line 88 of file ffi_pk_op.cpp.

References BOTAN_FFI_CHECKED_DELETE.

   {
   return BOTAN_FFI_CHECKED_DELETE(op);
   }

int botan_pk_op_decrypt_output_length	(	botan_pk_op_decrypt_t	op,
		size_t	ctext_len,
		size_t *	ptext_len
	)

Definition at line 93 of file ffi_pk_op.cpp.

References BOTAN_FFI_DO, BOTAN_FFI_ERROR_NULL_POINTER, and Botan::PK_Decryptor::plaintext_length().

   {
   if(ptext_len == nullptr)
      return BOTAN_FFI_ERROR_NULL_POINTER;
   return BOTAN_FFI_DO(Botan::PK_Decryptor, op, o, { *ptext_len = o.plaintext_length(ctext_len); });
   }

int botan_pk_op_encrypt	(	botan_pk_op_encrypt_t	op,
		botan_rng_t	rng_obj,
		uint8_t	out[],
		size_t *	out_len,
		const uint8_t	plaintext[],
		size_t	plaintext_len
	)

Definition at line 55 of file ffi_pk_op.cpp.

References BOTAN_FFI_DO, Botan_FFI::safe_get(), and Botan_FFI::write_vec_output().

   {
   return BOTAN_FFI_DO(Botan::PK_Encryptor, op, o, {
      return write_vec_output(out, out_len, o.encrypt(plaintext, plaintext_len, safe_get(rng_obj)));
      });
   }

int botan_pk_op_encrypt_create	(	botan_pk_op_encrypt_t *	op,
		botan_pubkey_t	key_obj,
		const char *	padding,
		uint32_t	flags
	)

Definition at line 23 of file ffi_pk_op.cpp.

References BOTAN_FFI_ERROR_BAD_FLAG, BOTAN_FFI_ERROR_NULL_POINTER, BOTAN_FFI_SUCCESS, Botan_FFI::ffi_guard_thunk(), Botan_FFI::safe_get(), and Botan::system_rng().

   {
   if(op == nullptr)
      return BOTAN_FFI_ERROR_NULL_POINTER;

   if(flags != 0)
      return BOTAN_FFI_ERROR_BAD_FLAG;

   return ffi_guard_thunk(__func__, [=]() -> int {
      *op = nullptr;

      std::unique_ptr<Botan::PK_Encryptor> pk(new Botan::PK_Encryptor_EME(safe_get(key_obj), Botan::system_rng(), padding));
      *op = new botan_pk_op_encrypt_struct(pk.release());
      return BOTAN_FFI_SUCCESS;
      });
   }

int botan_pk_op_encrypt_destroy

(

botan_pk_op_encrypt_t

op

)

Returns

0 if success, error if invalid object handle

Definition at line 43 of file ffi_pk_op.cpp.

References BOTAN_FFI_CHECKED_DELETE.

   {
   return BOTAN_FFI_CHECKED_DELETE(op);
   }

int botan_pk_op_encrypt_output_length	(	botan_pk_op_encrypt_t	op,
		size_t	ptext_len,
		size_t *	ctext_len
	)

Definition at line 48 of file ffi_pk_op.cpp.

References BOTAN_FFI_DO, BOTAN_FFI_ERROR_NULL_POINTER, and Botan::PK_Encryptor::ciphertext_length().

   {
   if(ctext_len == nullptr)
      return BOTAN_FFI_ERROR_NULL_POINTER;
   return BOTAN_FFI_DO(Botan::PK_Encryptor, op, o, { *ctext_len = o.ciphertext_length(ptext_len); });
   }

int botan_pk_op_key_agreement	(	botan_pk_op_ka_t	op,
		uint8_t	out[],
		size_t *	out_len,
		const uint8_t	other_key[],
		size_t	other_key_len,
		const uint8_t	salt[],
		size_t	salt_len
	)

Definition at line 241 of file ffi_pk_op.cpp.

References Botan::OctetString::bits_of(), BOTAN_FFI_DO, Botan::PK_Key_Agreement::derive_key(), and Botan_FFI::write_vec_output().

   {
   return BOTAN_FFI_DO(Botan::PK_Key_Agreement, op, o, {
      auto k = o.derive_key(*out_len, other_key, other_key_len, salt, salt_len).bits_of();
      return write_vec_output(out, out_len, k);
      });
   }

int botan_pk_op_key_agreement_create	(	botan_pk_op_ka_t *	op,
		botan_privkey_t	key_obj,
		const char *	kdf,
		uint32_t	flags
	)

Definition at line 198 of file ffi_pk_op.cpp.

References BOTAN_FFI_ERROR_BAD_FLAG, BOTAN_FFI_ERROR_NULL_POINTER, BOTAN_FFI_SUCCESS, Botan_FFI::ffi_guard_thunk(), Botan_FFI::safe_get(), and Botan::system_rng().

   {
   if(op == nullptr)
      return BOTAN_FFI_ERROR_NULL_POINTER;

   if(flags != 0)
      return BOTAN_FFI_ERROR_BAD_FLAG;

   return ffi_guard_thunk(__func__, [=]() -> int {
      *op = nullptr;
      std::unique_ptr<Botan::PK_Key_Agreement> pk(new Botan::PK_Key_Agreement(safe_get(key_obj), Botan::system_rng(), kdf));
      *op = new botan_pk_op_ka_struct(pk.release());
      return BOTAN_FFI_SUCCESS;
      });
   }

int botan_pk_op_key_agreement_destroy

(

botan_pk_op_ka_t

op

)

Returns

0 if success, error if invalid object handle

Definition at line 217 of file ffi_pk_op.cpp.

References BOTAN_FFI_CHECKED_DELETE.

   {
   return BOTAN_FFI_CHECKED_DELETE(op);
   }

int botan_pk_op_key_agreement_export_public	(	botan_privkey_t	key,
		uint8_t	out[],
		size_t *	out_len
	)

Definition at line 222 of file ffi_pk_op.cpp.

References BOTAN_FFI_DO, BOTAN_FFI_ERROR_BAD_FLAG, and Botan_FFI::write_vec_output().

   {
   return BOTAN_FFI_DO(Botan::Private_Key, key, k, {
      if(auto kak = dynamic_cast<const Botan::PK_Key_Agreement_Key*>(&k))
         return write_vec_output(out, out_len, kak->public_value());
      return BOTAN_FFI_ERROR_BAD_FLAG;
      });
   }

int botan_pk_op_key_agreement_size	(	botan_pk_op_ka_t	op,
		size_t *	out_len
	)

Definition at line 232 of file ffi_pk_op.cpp.

References BOTAN_FFI_DO, and BOTAN_FFI_ERROR_NULL_POINTER.

   {
   return BOTAN_FFI_DO(Botan::PK_Key_Agreement, op, o, {
      if(out_len == nullptr)
         return BOTAN_FFI_ERROR_NULL_POINTER;
      *out_len = o.agreed_value_size();
      });
   }

int botan_pk_op_sign_create	(	botan_pk_op_sign_t *	op,
		botan_privkey_t	key_obj,
		const char *	hash,
		uint32_t	flags
	)

Definition at line 112 of file ffi_pk_op.cpp.

References BOTAN_FFI_ERROR_BAD_FLAG, BOTAN_FFI_ERROR_NULL_POINTER, BOTAN_FFI_SUCCESS, Botan_FFI::ffi_guard_thunk(), Botan_FFI::safe_get(), and Botan::system_rng().

   {
   if(op == nullptr)
      return BOTAN_FFI_ERROR_NULL_POINTER;

   if(flags != 0)
      return BOTAN_FFI_ERROR_BAD_FLAG;

   return ffi_guard_thunk(__func__, [=]() -> int {
      *op = nullptr;

      std::unique_ptr<Botan::PK_Signer> pk(new Botan::PK_Signer(safe_get(key_obj), Botan::system_rng(), hash));
      *op = new botan_pk_op_sign_struct(pk.release());
      return BOTAN_FFI_SUCCESS;
      });
   }

int botan_pk_op_sign_destroy

(

botan_pk_op_sign_t

op

)

Returns

0 if success, error if invalid object handle

Definition at line 132 of file ffi_pk_op.cpp.

References BOTAN_FFI_CHECKED_DELETE.

   {
   return BOTAN_FFI_CHECKED_DELETE(op);
   }

int botan_pk_op_sign_finish	(	botan_pk_op_sign_t	op,
		botan_rng_t	rng_obj,
		uint8_t	out[],
		size_t *	out_len
	)

Definition at line 150 of file ffi_pk_op.cpp.

References BOTAN_FFI_DO, Botan_FFI::safe_get(), and Botan_FFI::write_vec_output().

   {
   return BOTAN_FFI_DO(Botan::PK_Signer, op, o, {
      return write_vec_output(out, out_len, o.signature(safe_get(rng_obj)));
      });
   }

int botan_pk_op_sign_output_length	(	botan_pk_op_sign_t	op,
		size_t *	sig_len
	)

Definition at line 137 of file ffi_pk_op.cpp.

References BOTAN_FFI_DO, BOTAN_FFI_ERROR_NULL_POINTER, and Botan::PK_Signer::signature_length().

   {
   if(sig_len == nullptr)
      return BOTAN_FFI_ERROR_NULL_POINTER;

   return BOTAN_FFI_DO(Botan::PK_Signer, op, o, { *sig_len = o.signature_length(); });
   }

int botan_pk_op_sign_update	(	botan_pk_op_sign_t	op,
		const uint8_t	in[],
		size_t	in_len
	)

Definition at line 145 of file ffi_pk_op.cpp.

References BOTAN_FFI_DO, and Botan::PK_Signer::update().

   {
   return BOTAN_FFI_DO(Botan::PK_Signer, op, o, { o.update(in, in_len); });
   }

int botan_pk_op_verify_create	(	botan_pk_op_verify_t *	op,
		botan_pubkey_t	key_obj,
		const char *	hash,
		uint32_t	flags
	)

Definition at line 157 of file ffi_pk_op.cpp.

References BOTAN_FFI_ERROR_BAD_FLAG, BOTAN_FFI_ERROR_NULL_POINTER, BOTAN_FFI_SUCCESS, Botan_FFI::ffi_guard_thunk(), and Botan_FFI::safe_get().

   {
   if(op == nullptr)
      return BOTAN_FFI_ERROR_NULL_POINTER;

   if(flags != 0)
      return BOTAN_FFI_ERROR_BAD_FLAG;

   return ffi_guard_thunk(__func__, [=]() -> int {
      *op = nullptr;
      std::unique_ptr<Botan::PK_Verifier> pk(new Botan::PK_Verifier(safe_get(key_obj), hash));
      *op = new botan_pk_op_verify_struct(pk.release());
      return BOTAN_FFI_SUCCESS;
      });
   }

int botan_pk_op_verify_destroy

(

botan_pk_op_verify_t

op

)

Returns

0 if success, error if invalid object handle

Definition at line 176 of file ffi_pk_op.cpp.

References BOTAN_FFI_CHECKED_DELETE.

   {
   return BOTAN_FFI_CHECKED_DELETE(op);
   }

int botan_pk_op_verify_finish	(	botan_pk_op_verify_t	op,
		const uint8_t	sig[],
		size_t	sig_len
	)

Definition at line 186 of file ffi_pk_op.cpp.

References BOTAN_FFI_INVALID_VERIFIER, BOTAN_FFI_RETURNING, BOTAN_FFI_SUCCESS, and Botan::PK_Verifier::check_signature().

   {
   return BOTAN_FFI_RETURNING(Botan::PK_Verifier, op, o, {
      const bool legit = o.check_signature(sig, sig_len);

      if(legit)
         return BOTAN_FFI_SUCCESS;
      else
         return BOTAN_FFI_INVALID_VERIFIER;
      });
   }

int botan_pk_op_verify_update	(	botan_pk_op_verify_t	op,
		const uint8_t	in[],
		size_t	in_len
	)

Definition at line 181 of file ffi_pk_op.cpp.

References BOTAN_FFI_DO, and Botan::PK_Verifier::update().

   {
   return BOTAN_FFI_DO(Botan::PK_Verifier, op, o, { o.update(in, in_len); });
   }