#include <openssl/lhash.h>
#include <openssl/bn.h>
#include <openssl/rsa.h>
+#include <openssl/rand.h>
+#ifndef OPENSSL_NO_ENGINE
+#include <openssl/engine.h>
+#endif
-const char *RSA_version="RSA" OPENSSL_VERSION_PTEXT;
+const char RSA_version[]="RSA" OPENSSL_VERSION_PTEXT;
-static RSA_METHOD *default_RSA_meth=NULL;
-static int rsa_meth_num=0;
-static STACK_OF(CRYPTO_EX_DATA_FUNCS) *rsa_meth=NULL;
+static const RSA_METHOD *default_RSA_meth=NULL;
RSA *RSA_new(void)
{
- return(RSA_new_method(NULL));
+ RSA *r=RSA_new_method(NULL);
+
+ return r;
}
-void RSA_set_default_method(RSA_METHOD *meth)
+void RSA_set_default_method(const RSA_METHOD *meth)
{
- default_RSA_meth=meth;
+ default_RSA_meth = meth;
}
-RSA_METHOD *RSA_get_default_method(void)
-{
+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();
+#endif
+ }
+
return default_RSA_meth;
-}
+ }
-RSA_METHOD *RSA_get_method(RSA *rsa)
-{
+const RSA_METHOD *RSA_get_method(const RSA *rsa)
+ {
return rsa->meth;
-}
+ }
-RSA_METHOD *RSA_set_method(RSA *rsa, RSA_METHOD *meth)
-{
- RSA_METHOD *mtmp;
+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 mtmp;
-}
+ return 1;
+ }
-RSA *RSA_new_method(RSA_METHOD *meth)
+RSA *RSA_new_method(ENGINE *engine)
{
RSA *ret;
- if (default_RSA_meth == NULL)
- {
-#ifdef RSA_NULL
- default_RSA_meth=RSA_null_method();
-#else
-#ifdef RSAref
- default_RSA_meth=RSA_PKCS1_RSAref();
-#else
- default_RSA_meth=RSA_PKCS1_SSLeay();
-#endif
-#endif
- }
- ret=(RSA *)Malloc(sizeof(RSA));
+ ret=(RSA *)OPENSSL_malloc(sizeof(RSA));
if (ret == NULL)
{
RSAerr(RSA_F_RSA_NEW_METHOD,ERR_R_MALLOC_FAILURE);
- return(NULL);
+ return NULL;
}
- if (meth == NULL)
- ret->meth=default_RSA_meth;
+ 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->meth=meth;
+ 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->pad=0;
ret->version=0;
ret->_method_mod_p=NULL;
ret->_method_mod_q=NULL;
ret->blinding=NULL;
+ ret->mt_blinding=NULL;
ret->bignum_data=NULL;
- ret->flags=ret->meth->flags;
+ 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))
{
- Free(ret);
+#ifndef OPENSSL_NO_ENGINE
+ if (ret->engine)
+ ENGINE_finish(ret->engine);
+#endif
+ CRYPTO_free_ex_data(CRYPTO_EX_INDEX_RSA, ret, &ret->ex_data);
+ OPENSSL_free(ret);
ret=NULL;
}
- else
- CRYPTO_new_ex_data(rsa_meth,ret,&ret->ex_data);
return(ret);
}
}
#endif
- CRYPTO_free_ex_data(rsa_meth,r,&r->ex_data);
-
- if (r->meth->finish != NULL)
+ if (r->meth->finish)
r->meth->finish(r);
+#ifndef OPENSSL_NO_ENGINE
+ if (r->engine)
+ ENGINE_finish(r->engine);
+#endif
+
+ CRYPTO_free_ex_data(CRYPTO_EX_INDEX_RSA, r, &r->ex_data);
if (r->n != NULL) BN_clear_free(r->n);
if (r->e != NULL) BN_clear_free(r->e);
if (r->dmq1 != NULL) BN_clear_free(r->dmq1);
if (r->iqmp != NULL) BN_clear_free(r->iqmp);
if (r->blinding != NULL) BN_BLINDING_free(r->blinding);
- if (r->bignum_data != NULL) Free_locked(r->bignum_data);
- Free(r);
+ if (r->mt_blinding != NULL) BN_BLINDING_free(r->mt_blinding);
+ if (r->bignum_data != NULL) OPENSSL_free_locked(r->bignum_data);
+ OPENSSL_free(r);
+ }
+
+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
+ return ((i > 1) ? 1 : 0);
}
int RSA_get_ex_new_index(long argl, void *argp, CRYPTO_EX_new *new_func,
CRYPTO_EX_dup *dup_func, CRYPTO_EX_free *free_func)
{
- rsa_meth_num++;
- return(CRYPTO_get_ex_new_index(rsa_meth_num-1,
- &rsa_meth,argl,argp,new_func,dup_func,free_func));
+ return CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_RSA, argl, argp,
+ new_func, dup_func, free_func);
}
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(RSA *r, int idx)
+void *RSA_get_ex_data(const RSA *r, int idx)
{
return(CRYPTO_get_ex_data(&r->ex_data,idx));
}
-int RSA_size(RSA *r)
- {
- return(BN_num_bytes(r->n));
- }
-
-int RSA_public_encrypt(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(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(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(int flen, unsigned char *from, unsigned char *to,
- RSA *rsa, int padding)
- {
- return(rsa->meth->rsa_pub_dec(flen, from, to, rsa, padding));
- }
-
-int RSA_flags(RSA *r)
- {
- return((r == NULL)?0:r->meth->flags);
- }
-
-void RSA_blinding_off(RSA *rsa)
- {
- if (rsa->blinding != NULL)
- {
- BN_BLINDING_free(rsa->blinding);
- rsa->blinding=NULL;
- }
- rsa->flags&= ~RSA_FLAG_BLINDING;
- }
-
-int RSA_blinding_on(RSA *rsa, BN_CTX *p_ctx)
- {
- BIGNUM *A,*Ai;
- BN_CTX *ctx;
- int ret=0;
-
- if (p_ctx == NULL)
- {
- if ((ctx=BN_CTX_new()) == NULL) goto err;
- }
- else
- ctx=p_ctx;
-
- if (rsa->blinding != NULL)
- BN_BLINDING_free(rsa->blinding);
-
- A= &(ctx->bn[0]);
- ctx->tos++;
- if (!BN_rand(A,BN_num_bits(rsa->n)-1,1,0)) goto err;
- if ((Ai=BN_mod_inverse(NULL,A,rsa->n,ctx)) == NULL) goto err;
-
- if (!rsa->meth->bn_mod_exp(A,A,rsa->e,rsa->n,ctx,rsa->_method_mod_n))
- goto err;
- rsa->blinding=BN_BLINDING_new(A,Ai,rsa->n);
- ctx->tos--;
- rsa->flags|=RSA_FLAG_BLINDING;
- BN_free(Ai);
- ret=1;
-err:
- if (ctx != p_ctx) BN_CTX_free(ctx);
- return(ret);
- }
-
int RSA_memory_lock(RSA *r)
{
int i,j,k,off;
j=1;
for (i=0; i<6; i++)
j+= (*t[i])->top;
- if ((p=Malloc_locked((off+j)*sizeof(BN_ULONG))) == NULL)
+ if ((p=OPENSSL_malloc_locked((off+j)*sizeof(BN_ULONG))) == NULL)
{
- RSAerr(RSA_F_MEMORY_LOCK,ERR_R_MALLOC_FAILURE);
+ RSAerr(RSA_F_RSA_MEMORY_LOCK,ERR_R_MALLOC_FAILURE);
return(0);
}
bn=(BIGNUM *)p;
return(1);
}
+int RSA_security_bits(const RSA *rsa)
+ {
+ return BN_security_bits(BN_num_bits(rsa->n), -1);
+ }
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