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提交 62bad771 编写于 作者: B Ben Laurie
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Add actual testing to bntest...

上级 e1999b1d
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Showing with 168 addition and 18 deletion
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浏览文件 @ 62bad771
......@@ -10,6 +10,9 @@
[23-Dec-1998] down below; but in later
versions, these hyphens are gone.]
*) Belatedly make the BN tests actually check the results.
[Ben Laurie]
*) Fix the encoding and decoding of negative ASN1 INTEGERS and conversion
to and from BNs: it was completely broken. New compilation option
NEG_PUBKEY_BUG to allow for some broken certificates that encode public
......
crypto/bn/bntest.c
浏览文件 @ 62bad771
......@@ -73,9 +73,9 @@
int test_add(BIO *bp);
int test_sub(BIO *bp);
int test_lshift1(BIO *bp);
int test_lshift(BIO *bp);
int test_lshift(BIO *bp,BN_CTX *ctx);
int test_rshift1(BIO *bp);
int test_rshift(BIO *bp);
int test_rshift(BIO *bp,BN_CTX *ctx);
int test_div(BIO *bp,BN_CTX *ctx);
int test_div_recp(BIO *bp,BN_CTX *ctx);
int test_mul(BIO *bp);
......@@ -151,7 +151,7 @@ int main(int argc, char *argv[])
fflush(stdout);
fprintf(stderr,"test BN_lshift\n");
if (!test_lshift(out)) goto err;
if (!test_lshift(out,ctx)) goto err;
fflush(stdout);
fprintf(stderr,"test BN_rshift1\n");
......@@ -159,7 +159,7 @@ int main(int argc, char *argv[])
fflush(stdout);
fprintf(stderr,"test BN_rshift\n");
if (!test_rshift(out)) goto err;
if (!test_rshift(out,ctx)) goto err;
fflush(stdout);
fprintf(stderr,"test BN_sqr\n");
......@@ -240,6 +240,15 @@ int test_add(BIO *bp)
BN_print(bp,&c);
BIO_puts(bp,"\n");
}
a.neg=!a.neg;
b.neg=!b.neg;
BN_add(&c,&c,&b);
BN_add(&c,&c,&a);
if(!BN_is_zero(&c))
{
BIO_puts(bp,"Add test failed!\n");
return 0;
}
}
BN_free(&a);
BN_free(&b);
......@@ -279,6 +288,13 @@ int test_sub(BIO *bp)
BN_print(bp,&c);
BIO_puts(bp,"\n");
}
BN_add(&c,&c,&b);
BN_sub(&c,&c,&a);
if(!BN_is_zero(&c))
{
BIO_puts(bp,"Subtract test failed!\n");
return 0;
}
}
BN_free(&a);
BN_free(&b);
......@@ -288,7 +304,7 @@ int test_sub(BIO *bp)
int test_div(BIO *bp, BN_CTX *ctx)
{
BIGNUM a,b,c,d;
BIGNUM a,b,c,d,e;
int i;
int j;
......@@ -296,6 +312,7 @@ int test_div(BIO *bp, BN_CTX *ctx)
BN_init(&b);
BN_init(&c);
BN_init(&d);
BN_init(&e);
BN_rand(&a,400,0,0);
for (i=0; i<100; i++)
......@@ -329,17 +346,26 @@ int test_div(BIO *bp, BN_CTX *ctx)
BN_print(bp,&c);
BIO_puts(bp,"\n");
}
BN_mul(&e,&d,&b,ctx);
BN_add(&d,&e,&c);
BN_sub(&d,&d,&a);
if(!BN_is_zero(&d))
{
BIO_puts(bp,"Division test failed!\n");
return 0;
}
}
BN_free(&a);
BN_free(&b);
BN_free(&c);
BN_free(&d);
BN_free(&e);
return(1);
}
int test_div_recp(BIO *bp, BN_CTX *ctx)
{
BIGNUM a,b,c,d;
BIGNUM a,b,c,d,e;
BN_RECP_CTX recp;
int i;
int j;
......@@ -349,6 +375,7 @@ int test_div_recp(BIO *bp, BN_CTX *ctx)
BN_init(&b);
BN_init(&c);
BN_init(&d);
BN_init(&e);
BN_rand(&a,400,0,0);
for (i=0; i<100; i++)
......@@ -383,18 +410,27 @@ int test_div_recp(BIO *bp, BN_CTX *ctx)
BN_print(bp,&c);
BIO_puts(bp,"\n");
}
BN_mul(&e,&d,&b,ctx);
BN_add(&d,&e,&c);
BN_sub(&d,&d,&a);
if(!BN_is_zero(&d))
{
BIO_puts(bp,"Reciprocal division test failed!\n");
return 0;
}
}
BN_free(&a);
BN_free(&b);
BN_free(&c);
BN_free(&d);
BN_free(&e);
BN_RECP_CTX_free(&recp);
return(1);
}
int test_mul(BIO *bp)
{
BIGNUM a,b,c;
BIGNUM a,b,c,d,e;
int i;
int j;
BN_CTX ctx;
......@@ -403,6 +439,8 @@ int test_mul(BIO *bp)
BN_init(&a);
BN_init(&b);
BN_init(&c);
BN_init(&d);
BN_init(&e);
BN_rand(&a,200,0,0);
for (i=0; i<100; i++)
......@@ -415,7 +453,6 @@ int test_mul(BIO *bp)
for (j=0; j<100; j++)
BN_mul(&c,&a,&b,&ctx);
BN_mul(&c,&a,&b,&ctx);
/*bn_do(&c,&a,&b,ctx); */
if (bp != NULL)
{
if (!results)
......@@ -428,22 +465,33 @@ int test_mul(BIO *bp)
BN_print(bp,&c);
BIO_puts(bp,"\n");
}
BN_div(&d,&e,&c,&a,&ctx);
BN_sub(&d,&d,&b);
if(!BN_is_zero(&d) || !BN_is_zero(&e))
{
BIO_puts(bp,"Multiplication test failed!\n");
return 0;
}
}
BN_free(&a);
BN_free(&b);
BN_free(&c);
BN_free(&d);
BN_free(&e);
BN_CTX_free(&ctx);
return(1);
}
int test_sqr(BIO *bp, BN_CTX *ctx)
{
BIGNUM a,c;
BIGNUM a,c,d,e;
int i;
int j;
BN_init(&a);
BN_init(&c);
BN_init(&d);
BN_init(&e);
for (i=0; i<40; i++)
{
......@@ -465,15 +513,24 @@ int test_sqr(BIO *bp, BN_CTX *ctx)
BN_print(bp,&c);
BIO_puts(bp,"\n");
}
BN_div(&d,&e,&c,&a,ctx);
BN_sub(&d,&d,&a);
if(!BN_is_zero(&d) || !BN_is_zero(&e))
{
BIO_puts(bp,"Square test failed!\n");
return 0;
}
}
BN_free(&a);
BN_free(&c);
BN_free(&d);
BN_free(&e);
return(1);
}
int test_mont(BIO *bp, BN_CTX *ctx)
{
BIGNUM a,b,c,A,B;
BIGNUM a,b,c,d,A,B;
BIGNUM n;
int i;
int j;
......@@ -482,6 +539,7 @@ int test_mont(BIO *bp, BN_CTX *ctx)
BN_init(&a);
BN_init(&b);
BN_init(&c);
BN_init(&d);
BN_init(&A);
BN_init(&B);
BN_init(&n);
......@@ -523,23 +581,36 @@ BN_num_bits(mont->N));
BN_print(bp,&A);
BIO_puts(bp,"\n");
}
BN_mod_mul(&d,&a,&b,&n,ctx);
BN_sub(&d,&d,&A);
if(!BN_is_zero(&d))
{
BIO_puts(bp,"Montgomery multiplication test failed!\n");
return 0;
}
}
BN_MONT_CTX_free(mont);
BN_free(&a);
BN_free(&b);
BN_free(&c);
BN_free(&d);
BN_free(&A);
BN_free(&B);
BN_free(&n);
return(1);
}
int test_mod(BIO *bp, BN_CTX *ctx)
{
BIGNUM *a,*b,*c;
BIGNUM *a,*b,*c,*d,*e;
int i;
int j;
a=BN_new();
b=BN_new();
c=BN_new();
d=BN_new();
e=BN_new();
BN_rand(a,1024,0,0); /**/
for (i=0; i<20; i++)
......@@ -563,10 +634,19 @@ int test_mod(BIO *bp, BN_CTX *ctx)
BN_print(bp,c);
BIO_puts(bp,"\n");
}
BN_div(d,e,a,b,ctx);
BN_sub(e,e,c);
if(!BN_is_zero(e))
{
BIO_puts(bp,"Modulo test failed!\n");
return 0;
}
}
BN_free(a);
BN_free(b);
BN_free(c);
BN_free(d);
BN_free(e);
return(1);
}
......@@ -615,6 +695,14 @@ int test_mod_mul(BIO *bp, BN_CTX *ctx)
BN_print(bp,e);
BIO_puts(bp,"\n");
}
BN_mul(d,a,b,ctx);
BN_sub(d,d,e);
BN_div(a,b,d,c,ctx);
if(!BN_is_zero(b))
{
BIO_puts(bp,"Modulo multiply test failed!\n");
return 0;
}
}
BN_free(a);
BN_free(b);
......@@ -658,6 +746,14 @@ int test_mod_exp(BIO *bp, BN_CTX *ctx)
BN_print(bp,d);
BIO_puts(bp,"\n");
}
BN_exp(e,a,b,ctx);
BN_sub(e,e,d);
BN_div(a,b,e,c,ctx);
if(!BN_is_zero(b))
{
BIO_puts(bp,"Modulo exponentiation test failed!\n");
return 0;
}
}
BN_free(a);
BN_free(b);
......@@ -669,13 +765,15 @@ int test_mod_exp(BIO *bp, BN_CTX *ctx)
int test_exp(BIO *bp, BN_CTX *ctx)
{
BIGNUM *a,*b,*d,*e;
BIGNUM *a,*b,*d,*e,*one;
int i;
a=BN_new();
b=BN_new();
d=BN_new();
e=BN_new();
one=BN_new();
BN_one(one);
for (i=0; i<6; i++)
{
......@@ -697,22 +795,33 @@ int test_exp(BIO *bp, BN_CTX *ctx)
BN_print(bp,d);
BIO_puts(bp,"\n");
}
BN_one(e);
for( ; !BN_is_zero(b) ; BN_sub(b,b,one))
BN_mul(e,e,a,ctx);
BN_sub(e,e,d);
if(!BN_is_zero(e))
{
BIO_puts(bp,"Exponentiation test failed!\n");
return 0;
}
}
BN_free(a);
BN_free(b);
BN_free(d);
BN_free(e);
BN_free(one);
return(1);
}
int test_lshift(BIO *bp)
int test_lshift(BIO *bp,BN_CTX *ctx)
{
BIGNUM *a,*b,*c;
BIGNUM *a,*b,*c,*d;
int i;
a=BN_new();
b=BN_new();
c=BN_new();
d=BN_new();
BN_one(c);
BN_rand(a,200,0,0); /**/
......@@ -733,20 +842,29 @@ int test_lshift(BIO *bp)
BN_print(bp,b);
BIO_puts(bp,"\n");
}
BN_mul(d,a,c,ctx);
BN_sub(d,d,b);
if(!BN_is_zero(d))
{
BIO_puts(bp,"Left shift test failed!\n");
return 0;
}
}
BN_free(a);
BN_free(b);
BN_free(c);
BN_free(d);
return(1);
}
int test_lshift1(BIO *bp)
{
BIGNUM *a,*b;
BIGNUM *a,*b,*c;
int i;
a=BN_new();
b=BN_new();
c=BN_new();
BN_rand(a,200,0,0); /**/
a->neg=rand_neg();
......@@ -764,21 +882,32 @@ int test_lshift1(BIO *bp)
BN_print(bp,b);
BIO_puts(bp,"\n");
}
BN_add(c,a,a);
BN_sub(a,b,c);
if(!BN_is_zero(a))
{
BIO_puts(bp,"Left shift one test failed!\n");
return 0;
}
BN_copy(a,b);
}
BN_free(a);
BN_free(b);
BN_free(c);
return(1);
}
int test_rshift(BIO *bp)
int test_rshift(BIO *bp,BN_CTX *ctx)
{
BIGNUM *a,*b,*c;
BIGNUM *a,*b,*c,*d,*e;
int i;
a=BN_new();
b=BN_new();
c=BN_new();
d=BN_new();
e=BN_new();
BN_one(c);
BN_rand(a,200,0,0); /**/
......@@ -799,20 +928,30 @@ int test_rshift(BIO *bp)
BN_print(bp,b);
BIO_puts(bp,"\n");
}
BN_div(d,e,a,c,ctx);
BN_sub(d,d,b);
if(!BN_is_zero(d))
{
BIO_puts(bp,"Right shift test failed!\n");
return 0;
}
}
BN_free(a);
BN_free(b);
BN_free(c);
BN_free(d);
BN_free(e);
return(1);
}
int test_rshift1(BIO *bp)
{
BIGNUM *a,*b;
BIGNUM *a,*b,*c;
int i;
a=BN_new();
b=BN_new();
c=BN_new();
BN_rand(a,200,0,0); /**/
a->neg=rand_neg();
......@@ -830,10 +969,18 @@ int test_rshift1(BIO *bp)
BN_print(bp,b);
BIO_puts(bp,"\n");
}
BN_sub(c,a,b);
BN_sub(c,c,b);
if(!BN_is_zero(c) && !BN_is_one(c))
{
BIO_puts(bp,"Right shift one test failed!\n");
return 0;
}
BN_copy(a,b);
}
BN_free(a);
BN_free(b);
BN_free(c);
return(1);
}
......
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