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# This file is dual licensed under the terms of the Apache License, Version
# 2.0, and the BSD License. See the LICENSE file in the root of this repository
# for complete details.
from __future__ import absolute_import, division, print_function
INCLUDES = """
#include <openssl/rsa.h>
"""
TYPES = """
typedef struct rsa_st {
BIGNUM *n;
BIGNUM *e;
BIGNUM *d;
BIGNUM *p;
BIGNUM *q;
BIGNUM *dmp1;
BIGNUM *dmq1;
BIGNUM *iqmp;
...;
} RSA;
typedef ... BN_GENCB;
static const int RSA_PKCS1_PADDING;
static const int RSA_SSLV23_PADDING;
static const int RSA_NO_PADDING;
static const int RSA_PKCS1_OAEP_PADDING;
static const int RSA_X931_PADDING;
static const int RSA_PKCS1_PSS_PADDING;
static const int RSA_F4;
static const int Cryptography_HAS_PSS_PADDING;
static const int Cryptography_HAS_MGF1_MD;
static const int Cryptography_HAS_RSA_OAEP_MD;
"""
FUNCTIONS = """
RSA *RSA_new(void);
void RSA_free(RSA *);
int RSA_size(const RSA *);
int RSA_generate_key_ex(RSA *, int, BIGNUM *, BN_GENCB *);
int RSA_check_key(const RSA *);
RSA *RSAPublicKey_dup(RSA *);
int RSA_blinding_on(RSA *, BN_CTX *);
void RSA_blinding_off(RSA *);
int RSA_public_encrypt(int, const unsigned char *, unsigned char *,
RSA *, int);
int RSA_private_encrypt(int, const unsigned char *, unsigned char *,
RSA *, int);
int RSA_public_decrypt(int, const unsigned char *, unsigned char *,
RSA *, int);
int RSA_private_decrypt(int, const unsigned char *, unsigned char *,
RSA *, int);
int RSA_print(BIO *, const RSA *, int);
int RSA_verify_PKCS1_PSS(RSA *, const unsigned char *, const EVP_MD *,
const unsigned char *, int);
int RSA_padding_add_PKCS1_PSS(RSA *, unsigned char *, const unsigned char *,
const EVP_MD *, int);
int RSA_padding_add_PKCS1_OAEP(unsigned char *, int, const unsigned char *,
int, const unsigned char *, int);
int RSA_padding_check_PKCS1_OAEP(unsigned char *, int, const unsigned char *,
int, int, const unsigned char *, int);
/* added in 1.1.0 when the RSA struct was opaqued */
int RSA_set0_key(RSA *, BIGNUM *, BIGNUM *, BIGNUM *);
int RSA_set0_factors(RSA *, BIGNUM *, BIGNUM *);
int RSA_set0_crt_params(RSA *, BIGNUM *, BIGNUM *, BIGNUM *);
void RSA_get0_key(const RSA *, BIGNUM **, BIGNUM **, BIGNUM **);
void RSA_get0_factors(const RSA *, BIGNUM **, BIGNUM **);
void RSA_get0_crt_params(const RSA *, BIGNUM **, BIGNUM **, BIGNUM **);
"""
MACROS = """
int EVP_PKEY_CTX_set_rsa_padding(EVP_PKEY_CTX *, int);
int EVP_PKEY_CTX_set_rsa_pss_saltlen(EVP_PKEY_CTX *, int);
int EVP_PKEY_CTX_set_rsa_mgf1_md(EVP_PKEY_CTX *, EVP_MD *);
int EVP_PKEY_CTX_set_rsa_oaep_md(EVP_PKEY_CTX *, EVP_MD *);
"""
CUSTOMIZATIONS = """
static const long Cryptography_HAS_PSS_PADDING = 1;
#if OPENSSL_VERSION_NUMBER >= 0x1000100f
static const long Cryptography_HAS_MGF1_MD = 1;
#else
static const long Cryptography_HAS_MGF1_MD = 0;
int (*EVP_PKEY_CTX_set_rsa_mgf1_md)(EVP_PKEY_CTX *, EVP_MD *) = NULL;
#endif
#if defined(EVP_PKEY_CTX_set_rsa_oaep_md)
static const long Cryptography_HAS_RSA_OAEP_MD = 1;
#else
static const long Cryptography_HAS_RSA_OAEP_MD = 0;
int (*EVP_PKEY_CTX_set_rsa_oaep_md)(EVP_PKEY_CTX *, EVP_MD *) = NULL;
#endif
/* These functions were added in OpenSSL 1.1.0-pre5 (beta2) */
#if OPENSSL_VERSION_NUMBER < 0x10100005 || defined(LIBRESSL_VERSION_NUMBER)
int RSA_set0_key(RSA *r, BIGNUM *n, BIGNUM *e, BIGNUM *d)
{
/* If the fields in r are NULL, the corresponding input
* parameters MUST be non-NULL for n and e. d may be
* left NULL (in case only the public key is used).
*
* It is an error to give the results from get0 on r
* as input parameters.
*/
if (n == r->n || e == r->e
|| (r->d != NULL && d == r->d))
return 0;
if (n != NULL) {
BN_free(r->n);
r->n = n;
}
if (e != NULL) {
BN_free(r->e);
r->e = e;
}
if (d != NULL) {
BN_free(r->d);
r->d = d;
}
return 1;
}
int RSA_set0_factors(RSA *r, BIGNUM *p, BIGNUM *q)
{
/* If the fields in r are NULL, the corresponding input
* parameters MUST be non-NULL.
*
* It is an error to give the results from get0 on r
* as input parameters.
*/
if (p == r->p || q == r->q)
return 0;
if (p != NULL) {
BN_free(r->p);
r->p = p;
}
if (q != NULL) {
BN_free(r->q);
r->q = q;
}
return 1;
}
int RSA_set0_crt_params(RSA *r, BIGNUM *dmp1, BIGNUM *dmq1, BIGNUM *iqmp)
{
/* If the fields in r are NULL, the corresponding input
* parameters MUST be non-NULL.
*
* It is an error to give the results from get0 on r
* as input parameters.
*/
if (dmp1 == r->dmp1 || dmq1 == r->dmq1 || iqmp == r->iqmp)
return 0;
if (dmp1 != NULL) {
BN_free(r->dmp1);
r->dmp1 = dmp1;
}
if (dmq1 != NULL) {
BN_free(r->dmq1);
r->dmq1 = dmq1;
}
if (iqmp != NULL) {
BN_free(r->iqmp);
r->iqmp = iqmp;
}
return 1;
}
void RSA_get0_key(const RSA *r, BIGNUM **n, BIGNUM **e, BIGNUM **d)
{
if (n != NULL)
*n = r->n;
if (e != NULL)
*e = r->e;
if (d != NULL)
*d = r->d;
}
void RSA_get0_factors(const RSA *r, BIGNUM **p, BIGNUM **q)
{
if (p != NULL)
*p = r->p;
if (q != NULL)
*q = r->q;
}
void RSA_get0_crt_params(const RSA *r,
BIGNUM **dmp1, BIGNUM **dmq1, BIGNUM **iqmp)
{
if (dmp1 != NULL)
*dmp1 = r->dmp1;
if (dmq1 != NULL)
*dmq1 = r->dmq1;
if (iqmp != NULL)
*iqmp = r->iqmp;
}
#endif
"""
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