#include "internal/cryptlib.h"
#include <openssl/lhash.h>
#include "internal/bn_int.h"
-#include <openssl/rsa.h>
#include <openssl/rand.h>
-#ifndef OPENSSL_NO_ENGINE
-# include <openssl/engine.h>
-#endif
+#include <openssl/engine.h>
+#include "rsa_locl.h"
static const RSA_METHOD *default_RSA_meth = NULL;
if (mtmp->finish)
mtmp->finish(rsa);
#ifndef OPENSSL_NO_ENGINE
- if (rsa->engine) {
- ENGINE_finish(rsa->engine);
- rsa->engine = NULL;
- }
+ ENGINE_finish(rsa->engine);
+ rsa->engine = NULL;
#endif
rsa->meth = meth;
if (meth->init)
ret->engine = ENGINE_get_default_RSA();
if (ret->engine) {
ret->meth = ENGINE_get_RSA(ret->engine);
- if (!ret->meth) {
+ if (ret->meth == NULL) {
RSAerr(RSA_F_RSA_NEW_METHOD, ERR_R_ENGINE_LIB);
ENGINE_finish(ret->engine);
OPENSSL_free(ret);
ret->flags = ret->meth->flags & ~RSA_FLAG_NON_FIPS_ALLOW;
if (!CRYPTO_new_ex_data(CRYPTO_EX_INDEX_RSA, ret, &ret->ex_data)) {
#ifndef OPENSSL_NO_ENGINE
- if (ret->engine)
- ENGINE_finish(ret->engine);
+ ENGINE_finish(ret->engine);
#endif
OPENSSL_free(ret);
- return (NULL);
+ return NULL;
}
- if ((ret->meth->init != NULL) && !ret->meth->init(ret)) {
+ ret->lock = CRYPTO_THREAD_lock_new();
+ if (ret->lock == NULL) {
#ifndef OPENSSL_NO_ENGINE
- if (ret->engine)
- ENGINE_finish(ret->engine);
+ ENGINE_finish(ret->engine);
#endif
CRYPTO_free_ex_data(CRYPTO_EX_INDEX_RSA, ret, &ret->ex_data);
OPENSSL_free(ret);
+ return NULL;
+ }
+
+ if ((ret->meth->init != NULL) && !ret->meth->init(ret)) {
+ RSA_free(ret);
ret = NULL;
}
- return (ret);
+
+ return ret;
}
void RSA_free(RSA *r)
if (r == NULL)
return;
- i = CRYPTO_add(&r->references, -1, CRYPTO_LOCK_RSA);
-#ifdef REF_PRINT
- REF_PRINT("RSA", r);
-#endif
+ CRYPTO_atomic_add(&r->references, -1, &i, r->lock);
+ REF_PRINT_COUNT("RSA", r);
if (i > 0)
return;
-#ifdef REF_CHECK
- if (i < 0) {
- fprintf(stderr, "RSA_free, bad reference count\n");
- abort();
- }
-#endif
+ REF_ASSERT_ISNT(i < 0);
if (r->meth->finish)
r->meth->finish(r);
#ifndef OPENSSL_NO_ENGINE
- if (r->engine)
- ENGINE_finish(r->engine);
+ ENGINE_finish(r->engine);
#endif
CRYPTO_free_ex_data(CRYPTO_EX_INDEX_RSA, r, &r->ex_data);
+ CRYPTO_THREAD_lock_free(r->lock);
+
BN_clear_free(r->n);
BN_clear_free(r->e);
BN_clear_free(r->d);
int RSA_up_ref(RSA *r)
{
- int i = CRYPTO_add(&r->references, 1, CRYPTO_LOCK_RSA);
-#ifdef REF_PRINT
- REF_PRINT("RSA", r);
-#endif
-#ifdef REF_CHECK
- if (i < 2) {
- fprintf(stderr, "RSA_up_ref, bad reference count\n");
- abort();
- }
-#endif
+ int i;
+
+ if (CRYPTO_atomic_add(&r->references, 1, &i, r->lock) <= 0)
+ return 0;
+
+ REF_PRINT_COUNT("RSA", r);
+ REF_ASSERT_ISNT(i < 2);
return ((i > 1) ? 1 : 0);
}
{
return BN_security_bits(BN_num_bits(rsa->n), -1);
}
+
+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;
+}
+
+void RSA_clear_flags(RSA *r, int flags)
+{
+ r->flags &= ~flags;
+}
+
+int RSA_test_flags(const RSA *r, int flags)
+{
+ return r->flags & flags;
+}
+
+void RSA_set_flags(RSA *r, int flags)
+{
+ r->flags |= flags;
+}
+
+ENGINE *RSA_get0_engine(RSA *r)
+{
+ return r->engine;
+}