*/
#include <stdio.h>
-#include "crypto.h"
+#include <openssl/crypto.h>
#include "cryptlib.h"
-#include "lhash.h"
-#include "bn.h"
-#include "rsa.h"
+#include <openssl/lhash.h>
+#include <openssl/bn.h>
+#include <openssl/rsa.h>
-char *RSA_version="RSA part of SSLeay 0.9.0b 29-Jun-1998";
+const char *RSA_version="RSA" OPENSSL_VERSION_PTEXT;
static RSA_METHOD *default_RSA_meth=NULL;
static int rsa_meth_num=0;
-static STACK *rsa_meth=NULL;
+static STACK_OF(CRYPTO_EX_DATA_FUNCS) *rsa_meth=NULL;
-RSA *RSA_new()
+RSA *RSA_new(void)
{
return(RSA_new_method(NULL));
}
-void RSA_set_default_method(meth)
-RSA_METHOD *meth;
+void RSA_set_default_method(RSA_METHOD *meth)
{
default_RSA_meth=meth;
}
-RSA *RSA_new_method(meth)
-RSA_METHOD *meth;
+RSA_METHOD *RSA_get_default_method(void)
+{
+ return default_RSA_meth;
+}
+
+RSA_METHOD *RSA_get_method(RSA *rsa)
+{
+ return rsa->meth;
+}
+
+RSA_METHOD *RSA_set_method(RSA *rsa, RSA_METHOD *meth)
+{
+ RSA_METHOD *mtmp;
+ mtmp = rsa->meth;
+ if (mtmp->finish) mtmp->finish(rsa);
+ rsa->meth = meth;
+ if (meth->init) meth->init(rsa);
+ return mtmp;
+}
+
+RSA *RSA_new_method(RSA_METHOD *meth)
{
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->dmq1=NULL;
ret->iqmp=NULL;
ret->references=1;
- ret->method_mod_n=NULL;
- ret->method_mod_p=NULL;
- ret->method_mod_q=NULL;
+ ret->_method_mod_n=NULL;
+ ret->_method_mod_p=NULL;
+ ret->_method_mod_q=NULL;
ret->blinding=NULL;
+ ret->bignum_data=NULL;
ret->flags=ret->meth->flags;
if ((ret->meth->init != NULL) && !ret->meth->init(ret))
{
Free(ret);
ret=NULL;
}
- CRYPTO_new_ex_data(rsa_meth,(char *)ret,&ret->ex_data);
+ else
+ CRYPTO_new_ex_data(rsa_meth,ret,&ret->ex_data);
return(ret);
}
-void RSA_free(r)
-RSA *r;
+void RSA_free(RSA *r)
{
int i;
}
#endif
- CRYPTO_free_ex_data(rsa_meth,(char *)r,&r->ex_data);
+ CRYPTO_free_ex_data(rsa_meth,r,&r->ex_data);
if (r->meth->finish != NULL)
r->meth->finish(r);
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);
}
-int RSA_get_ex_new_index(argl,argp,new_func,dup_func,free_func)
-long argl;
-char *argp;
-int (*new_func)();
-int (*dup_func)();
-void (*free_func)();
+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));
}
-int RSA_set_ex_data(r,idx,arg)
-RSA *r;
-int idx;
-char *arg;
+int RSA_set_ex_data(RSA *r, int idx, void *arg)
{
return(CRYPTO_set_ex_data(&r->ex_data,idx,arg));
}
-char *RSA_get_ex_data(r,idx)
-RSA *r;
-int idx;
+void *RSA_get_ex_data(RSA *r, int idx)
{
return(CRYPTO_get_ex_data(&r->ex_data,idx));
}
-int RSA_size(r)
-RSA *r;
+int RSA_size(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;
+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(flen, from, to, rsa, padding)
-int flen;
-unsigned char *from;
-unsigned char *to;
-RSA *rsa;
-int 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(flen, from, to, rsa, padding)
-int flen;
-unsigned char *from;
-unsigned char *to;
-RSA *rsa;
-int 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(flen, from, to, rsa, padding)
-int flen;
-unsigned char *from;
-unsigned char *to;
-RSA *rsa;
-int 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(r)
-RSA *r;
+int RSA_flags(RSA *r)
{
return((r == NULL)?0:r->meth->flags);
}
-void RSA_blinding_off(rsa)
-RSA *rsa;
+void RSA_blinding_off(RSA *rsa)
{
if (rsa->blinding != NULL)
{
rsa->flags&= ~RSA_FLAG_BLINDING;
}
-int RSA_blinding_on(rsa,p_ctx)
-RSA *rsa;
-BN_CTX *p_ctx;
+int RSA_blinding_on(RSA *rsa, BN_CTX *p_ctx)
{
BIGNUM *A,*Ai;
BN_CTX *ctx;
if (rsa->blinding != NULL)
BN_BLINDING_free(rsa->blinding);
- A=ctx->bn[0];
- ctx->tos++;
+ BN_CTX_start(ctx);
+ A = BN_CTX_get(ctx);
if (!BN_rand(A,BN_num_bits(rsa->n)-1,1,0)) goto err;
- if ((Ai=BN_mod_inverse(A,rsa->n,ctx)) == NULL) 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,
- (char *)rsa->method_mod_n)) 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:
+ BN_CTX_end(ctx);
if (ctx != p_ctx) BN_CTX_free(ctx);
return(ret);
}
+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=sizeof(BIGNUM)*6;
+ off=k/sizeof(BN_ULONG)+1;
+ j=1;
+ for (i=0; i<6; i++)
+ j+= (*t[i])->top;
+ if ((p=Malloc_locked((off+j)*sizeof(BN_ULONG))) == NULL)
+ {
+ RSAerr(RSA_F_MEMORY_LOCK,ERR_R_MALLOC_FAILURE);
+ return(0);
+ }
+ bn=(BIGNUM *)p;
+ ul=(BN_ULONG *)&(p[off]);
+ for (i=0; i<6; i++)
+ {
+ b= *(t[i]);
+ *(t[i])= &(bn[i]);
+ memcpy((char *)&(bn[i]),(char *)b,sizeof(BIGNUM));
+ bn[i].flags=BN_FLG_STATIC_DATA;
+ bn[i].d=ul;
+ memcpy((char *)ul,b->d,sizeof(BN_ULONG)*b->top);
+ ul+=b->top;
+ 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);
+ }
+