-/* crypto/rsa/rsa_lib.c */
-/* Copyright (C) 1995-1997 Eric Young (eay@cryptsoft.com)
+/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
* All rights reserved.
*
* This package is an SSL implementation written
* by Eric Young (eay@cryptsoft.com).
* The implementation was written so as to conform with Netscapes SSL.
- *
+ *
* This library is free for commercial and non-commercial use as long as
* the following conditions are aheared to. The following conditions
* apply to all code found in this distribution, be it the RC4, RSA,
* lhash, DES, etc., code; not just the SSL code. The SSL documentation
* included with this distribution is covered by the same copyright terms
* except that the holder is Tim Hudson (tjh@cryptsoft.com).
- *
+ *
* Copyright remains Eric Young's, and as such any Copyright notices in
* the code are not to be removed.
* If this package is used in a product, Eric Young should be given attribution
* as the author of the parts of the library used.
* This can be in the form of a textual message at program startup or
* in documentation (online or textual) provided with the package.
- *
+ *
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* Eric Young (eay@cryptsoft.com)"
* The word 'cryptographic' can be left out if the rouines from the library
* being used are not cryptographic related :-).
- * 4. If you include any Windows specific code (or a derivative thereof) from
+ * 4. If you include any Windows specific code (or a derivative thereof) from
* the apps directory (application code) you must include an acknowledgement:
* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
- *
+ *
* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
- *
+ *
* The licence and distribution terms for any publically available version or
* derivative of this code cannot be changed. i.e. this code cannot simply be
* copied and put under another distribution licence
*/
#include <stdio.h>
-#include "cryptlib.h"
-#include "bn.h"
-#include "rsa.h"
-
-char *RSA_version="RSA part of SSLeay 0.8.1b 29-Jun-1998";
-
-static RSA_METHOD *default_RSA_meth=NULL;
-
-RSA *RSA_new()
- {
- return(RSA_new_method(NULL));
- }
-
-void RSA_set_default_method(meth)
-RSA_METHOD *meth;
- {
- default_RSA_meth=meth;
- }
-
-RSA *RSA_new_method(meth)
-RSA_METHOD *meth;
- {
- RSA *ret;
-
- if (default_RSA_meth == NULL)
- {
-#ifdef RSAref
- default_RSA_meth=RSA_PKCS1_RSAref();
+#include <openssl/crypto.h>
+#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
+
+static const RSA_METHOD *default_RSA_meth = NULL;
+
+RSA *RSA_new(void)
+{
+ RSA *r = RSA_new_method(NULL);
+
+ return r;
+}
+
+void RSA_set_default_method(const RSA_METHOD *meth)
+{
+ default_RSA_meth = meth;
+}
+
+const RSA_METHOD *RSA_get_default_method(void)
+{
+ if (default_RSA_meth == NULL) {
+#ifdef RSA_NULL
+ default_RSA_meth = RSA_null_method();
#else
- default_RSA_meth=RSA_PKCS1_SSLeay();
+ default_RSA_meth = RSA_PKCS1_OpenSSL();
+#endif
+ }
+
+ return default_RSA_meth;
+}
+
+const RSA_METHOD *RSA_get_method(const RSA *rsa)
+{
+ return rsa->meth;
+}
+
+int RSA_set_method(RSA *rsa, const RSA_METHOD *meth)
+{
+ /*
+ * NB: The caller is specifically setting a method, so it's not up to us
+ * to deal with which ENGINE it comes from.
+ */
+ const RSA_METHOD *mtmp;
+ mtmp = rsa->meth;
+ if (mtmp->finish)
+ mtmp->finish(rsa);
+#ifndef OPENSSL_NO_ENGINE
+ if (rsa->engine) {
+ ENGINE_finish(rsa->engine);
+ rsa->engine = NULL;
+ }
+#endif
+ rsa->meth = meth;
+ if (meth->init)
+ meth->init(rsa);
+ return 1;
+}
+
+RSA *RSA_new_method(ENGINE *engine)
+{
+ RSA *ret;
+
+ ret = OPENSSL_zalloc(sizeof(*ret));
+ if (ret == NULL) {
+ RSAerr(RSA_F_RSA_NEW_METHOD, ERR_R_MALLOC_FAILURE);
+ return NULL;
+ }
+
+ ret->meth = RSA_get_default_method();
+#ifndef OPENSSL_NO_ENGINE
+ if (engine) {
+ if (!ENGINE_init(engine)) {
+ RSAerr(RSA_F_RSA_NEW_METHOD, ERR_R_ENGINE_LIB);
+ OPENSSL_free(ret);
+ return NULL;
+ }
+ ret->engine = engine;
+ } else
+ ret->engine = ENGINE_get_default_RSA();
+ if (ret->engine) {
+ ret->meth = ENGINE_get_RSA(ret->engine);
+ if (!ret->meth) {
+ RSAerr(RSA_F_RSA_NEW_METHOD, ERR_R_ENGINE_LIB);
+ ENGINE_finish(ret->engine);
+ OPENSSL_free(ret);
+ return NULL;
+ }
+ }
+#endif
+
+ ret->references = 1;
+ 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);
+#endif
+ OPENSSL_free(ret);
+ return (NULL);
+ }
+
+ if ((ret->meth->init != NULL) && !ret->meth->init(ret)) {
+#ifndef OPENSSL_NO_ENGINE
+ if (ret->engine)
+ ENGINE_finish(ret->engine);
#endif
- }
- ret=(RSA *)Malloc(sizeof(RSA));
- if (ret == NULL)
- {
- RSAerr(RSA_F_RSA_NEW_METHOD,ERR_R_MALLOC_FAILURE);
- return(NULL);
- }
-
- if (meth == NULL)
- ret->meth=default_RSA_meth;
- else
- ret->meth=meth;
-
- ret->pad=0;
- ret->version=0;
- ret->n=NULL;
- ret->e=NULL;
- ret->d=NULL;
- ret->p=NULL;
- ret->q=NULL;
- ret->dmp1=NULL;
- ret->dmq1=NULL;
- ret->iqmp=NULL;
- ret->references=1;
- ret->app_data=NULL;
- if ((ret->meth->init != NULL) && !ret->meth->init(ret))
- {
- Free(ret);
- ret=NULL;
- }
- return(ret);
- }
-
-void RSA_free(r)
-RSA *r;
- {
- int i;
-
- if (r == NULL) return;
-
- i=CRYPTO_add(&r->references,-1,CRYPTO_LOCK_RSA);
- if (i > 0) return;
-#ifdef REF_CHECK
- if (i < 0)
- {
- fprintf(stderr,"RSA_free, bad reference count\n");
- abort();
- }
+ CRYPTO_free_ex_data(CRYPTO_EX_INDEX_RSA, ret, &ret->ex_data);
+ OPENSSL_free(ret);
+ ret = NULL;
+ }
+ return (ret);
+}
+
+void RSA_free(RSA *r)
+{
+ int i;
+
+ if (r == NULL)
+ return;
+
+ i = CRYPTO_add(&r->references, -1, CRYPTO_LOCK_RSA);
+ REF_PRINT_COUNT("RSA", r);
+ if (i > 0)
+ return;
+ REF_ASSERT_ISNT(i < 0);
+
+ if (r->meth->finish)
+ r->meth->finish(r);
+#ifndef OPENSSL_NO_ENGINE
+ if (r->engine)
+ ENGINE_finish(r->engine);
#endif
- if (r->meth->finish != NULL)
- r->meth->finish(r);
-
- if (r->n != NULL) BN_clear_free(r->n);
- if (r->e != NULL) BN_clear_free(r->e);
- if (r->d != NULL) BN_clear_free(r->d);
- if (r->p != NULL) BN_clear_free(r->p);
- if (r->q != NULL) BN_clear_free(r->q);
- if (r->dmp1 != NULL) BN_clear_free(r->dmp1);
- if (r->dmq1 != NULL) BN_clear_free(r->dmq1);
- if (r->iqmp != NULL) BN_clear_free(r->iqmp);
- Free(r);
- }
-
-int RSA_size(r)
-RSA *r;
- {
- return(BN_num_bytes(r->n));
- }
-
-int RSA_public_encrypt(flen, from, to, rsa, padding)
-int flen;
-unsigned char *from;
-unsigned char *to;
-RSA *rsa;
-int padding;
- {
- return(rsa->meth->rsa_pub_enc(flen, from, to, rsa, padding));
- }
-
-int RSA_private_encrypt(flen, from, to, rsa, padding)
-int flen;
-unsigned char *from;
-unsigned char *to;
-RSA *rsa;
-int padding;
- {
- return(rsa->meth->rsa_priv_enc(flen, from, to, rsa, padding));
- }
-
-int RSA_private_decrypt(flen, from, to, rsa, padding)
-int flen;
-unsigned char *from;
-unsigned char *to;
-RSA *rsa;
-int padding;
- {
- return(rsa->meth->rsa_priv_dec(flen, from, to, rsa, padding));
- }
-
-int RSA_public_decrypt(flen, from, to, rsa, padding)
-int flen;
-unsigned char *from;
-unsigned char *to;
-RSA *rsa;
-int padding;
- {
- return(rsa->meth->rsa_pub_dec(flen, from, to, rsa, padding));
- }
+ CRYPTO_free_ex_data(CRYPTO_EX_INDEX_RSA, r, &r->ex_data);
+
+ BN_clear_free(r->n);
+ BN_clear_free(r->e);
+ BN_clear_free(r->d);
+ BN_clear_free(r->p);
+ BN_clear_free(r->q);
+ BN_clear_free(r->dmp1);
+ BN_clear_free(r->dmq1);
+ BN_clear_free(r->iqmp);
+ BN_BLINDING_free(r->blinding);
+ BN_BLINDING_free(r->mt_blinding);
+ OPENSSL_free(r->bignum_data);
+ OPENSSL_free(r);
+}
+
+int RSA_up_ref(RSA *r)
+{
+ int i = CRYPTO_add(&r->references, 1, CRYPTO_LOCK_RSA);
+
+ REF_PRINT_COUNT("RSA", r);
+ REF_ASSERT_ISNT(i < 2);
+ return ((i > 1) ? 1 : 0);
+}
+
+int RSA_set_ex_data(RSA *r, int idx, void *arg)
+{
+ return (CRYPTO_set_ex_data(&r->ex_data, idx, arg));
+}
+
+void *RSA_get_ex_data(const RSA *r, int idx)
+{
+ return (CRYPTO_get_ex_data(&r->ex_data, idx));
+}
+
+int RSA_memory_lock(RSA *r)
+{
+ int i, j, k, off;
+ char *p;
+ BIGNUM *bn, **t[6], *b;
+ BN_ULONG *ul;
+
+ if (r->d == NULL)
+ return (1);
+ t[0] = &r->d;
+ t[1] = &r->p;
+ t[2] = &r->q;
+ t[3] = &r->dmp1;
+ t[4] = &r->dmq1;
+ t[5] = &r->iqmp;
+ k = bn_sizeof_BIGNUM() * 6;
+ off = k / sizeof(BN_ULONG) + 1;
+ j = 1;
+ for (i = 0; i < 6; i++)
+ j += bn_get_top(*t[i]);
+ if ((p = OPENSSL_malloc((off + j) * sizeof(*p))) == NULL) {
+ RSAerr(RSA_F_RSA_MEMORY_LOCK, ERR_R_MALLOC_FAILURE);
+ return (0);
+ }
+ memset(p, 0, sizeof(*p) * (off + j));
+ bn = (BIGNUM *)p;
+ ul = (BN_ULONG *)&(p[off]);
+ for (i = 0; i < 6; i++) {
+ b = *(t[i]);
+ *(t[i]) = bn_array_el(bn, i);
+ memcpy(bn_array_el(bn, i), b, bn_sizeof_BIGNUM());
+ memcpy(ul, bn_get_words(b), sizeof(*ul) * bn_get_top(b));
+ bn_set_static_words(bn_array_el(bn, i), ul, bn_get_top(b));
+ ul += bn_get_top(b);
+ BN_clear_free(b);
+ }
+
+ /* I should fix this so it can still be done */
+ r->flags &= ~(RSA_FLAG_CACHE_PRIVATE | RSA_FLAG_CACHE_PUBLIC);
+
+ r->bignum_data = p;
+ return (1);
+}
+int RSA_security_bits(const RSA *rsa)
+{
+ return BN_security_bits(BN_num_bits(rsa->n), -1);
+}
projects / openssl.git / blobdiff