diff options
author | Ralf S. Engelschall <rse@openssl.org> | 1998-12-21 11:00:56 +0000 |
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committer | Ralf S. Engelschall <rse@openssl.org> | 1998-12-21 11:00:56 +0000 |
commit | dfeab0689f69c0b4bd3480ffd37a9cacc2f17d9c (patch) | |
tree | 2f74e0cfd76a9e092548a9bf52e579aef984299b /crypto/rsa/rsa_lib.c | |
parent | 58964a492275ca9a59a0cd9c8155cb2491b4b909 (diff) | |
download | openssl-dfeab0689f69c0b4bd3480ffd37a9cacc2f17d9c.tar.gz |
Import of old SSLeay release: SSLeay 0.9.1b (unreleased)
Diffstat (limited to 'crypto/rsa/rsa_lib.c')
-rw-r--r-- | crypto/rsa/rsa_lib.c | 57 |
1 files changed, 53 insertions, 4 deletions
diff --git a/crypto/rsa/rsa_lib.c b/crypto/rsa/rsa_lib.c index 95a56f8a28..5ce51f9f56 100644 --- a/crypto/rsa/rsa_lib.c +++ b/crypto/rsa/rsa_lib.c @@ -63,7 +63,7 @@ #include "bn.h" #include "rsa.h" -char *RSA_version="RSA part of SSLeay 0.9.0b 29-Jun-1998"; +char *RSA_version="RSA part of SSLeay 0.9.1a 06-Jul-1998"; static RSA_METHOD *default_RSA_meth=NULL; static int rsa_meth_num=0; @@ -120,13 +120,15 @@ RSA_METHOD *meth; 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,(char *)ret,&ret->ex_data); return(ret); } @@ -164,6 +166,7 @@ RSA *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); } @@ -275,10 +278,10 @@ BN_CTX *p_ctx; if (rsa->blinding != NULL) BN_BLINDING_free(rsa->blinding); - A=ctx->bn[0]; + 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(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; @@ -292,3 +295,49 @@ err: return(ret); } +int RSA_memory_lock(r) +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); + } + |