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add tfm dh (and some missing files)

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This commit is contained in:
Love Hornquist Astrand
2010-05-26 10:27:32 -05:00
parent b09eac50ee
commit 658d110d4a
8 changed files with 46 additions and 63 deletions
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59
lib/hcrypto/rsa-tfm.c
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@@ -87,9 +87,7 @@ tfm_rsa_private_calculate(fp_int * in, fp_int * p, fp_int * q,
fp_mul(&u, q, &u);
fp_add(&u, &vq, out);
fp_zero(&vp);
fp_zero(&vq);
fp_zero(&u);
fp_zero_multi(&vp, &vq, &u, NULL);
return 0;
}
@@ -120,8 +118,7 @@ tfm_rsa_public_encrypt(int flen, const unsigned char* from,
p = p0 = malloc(size - 1);
if (p0 == NULL) {
fp_zero(&e);
fp_zero(&n);
fp_zero_multi(&e, &n, NULL);
return -3;
}
@@ -129,8 +126,7 @@ tfm_rsa_public_encrypt(int flen, const unsigned char* from,
*p++ = 2;
if (RAND_bytes(p, padlen) != 1) {
fp_zero(&e);
fp_zero(&n);
fp_zero_multi(&e, &n, NULL);
free(p0);
return -4;
}
@@ -151,9 +147,7 @@ tfm_rsa_public_encrypt(int flen, const unsigned char* from,
res = fp_exptmod(&dec, &e, &n, &enc);
fp_zero(&dec);
fp_zero(&e);
fp_zero(&n);
fp_zero_multi(&dec, &e, &n, NULL);
if (res != 0)
return -4;
@@ -191,8 +185,7 @@ tfm_rsa_public_decrypt(int flen, const unsigned char* from,
#if 0
/* Check that the exponent is larger then 3 */
if (mp_int_compare_value(&e, 3) <= 0) {
fp_zero(&n);
fp_zero(&e);
fp_zero_multi(&e, &n, NULL);
return -3;
}
#endif
@@ -201,16 +194,13 @@ tfm_rsa_public_decrypt(int flen, const unsigned char* from,
fp_read_unsigned_bin(&s, rk_UNCONST(from), flen);
if (fp_cmp(&s, &n) >= 0) {
fp_zero(&n);
fp_zero(&e);
fp_zero_multi(&e, &n, NULL);
return -4;
}
res = fp_exptmod(&s, &e, &n, &us);
fp_zero(&s);
fp_zero(&n);
fp_zero(&e);
fp_zero_multi(&s, &e, &n, NULL);
if (res != 0)
return -5;
@@ -292,11 +282,7 @@ tfm_rsa_private_encrypt(int flen, const unsigned char* from,
res = tfm_rsa_private_calculate(&in, &p, &q, &dmp1, &dmq1, &iqmp, &out);
fp_zero(&p);
fp_zero(&q);
fp_zero(&dmp1);
fp_zero(&dmq1);
fp_zero(&iqmp);
fp_zero_multi(&p, &q, &dmp1, &dmq1, &iqmp, NULL);
if (res != 0) {
size = -4;
@@ -323,10 +309,7 @@ tfm_rsa_private_encrypt(int flen, const unsigned char* from,
}
out:
fp_zero(&e);
fp_zero(&n);
fp_zero(&in);
fp_zero(&out);
fp_zero_multi(&e, &n, &in, &out, NULL);
return size;
}
@@ -371,11 +354,7 @@ tfm_rsa_private_decrypt(int flen, const unsigned char* from,
res = tfm_rsa_private_calculate(&in, &p, &q, &dmp1, &dmq1, &iqmp, &out);
fp_zero(&p);
fp_zero(&q);
fp_zero(&dmp1);
fp_zero(&dmq1);
fp_zero(&iqmp);
fp_zero_multi(&p, &q, &dmp1, &dmq1, &iqmp, NULL);
if (res != 0) {
size = -3;
@@ -423,10 +402,7 @@ tfm_rsa_private_decrypt(int flen, const unsigned char* from,
memmove(to, ptr, size);
out:
fp_zero(&e);
fp_zero(&n);
fp_zero(&in);
fp_zero(&out);
fp_zero_multi(&e, &n, &in, &out, NULL);
return size;
}
@@ -553,17 +529,8 @@ tfm_rsa_generate_key(RSA *rsa, int bits, BIGNUM *e, BN_GENCB *cb)
ret = 1;
out:
fp_zero(&el);
fp_zero(&p);
fp_zero(&q);
fp_zero(&n);
fp_zero(&d);
fp_zero(&dmp1);
fp_zero(&dmq1);
fp_zero(&iqmp);
fp_zero(&t1);
fp_zero(&t2);
fp_zero(&t3);
fp_zero_multi(&el, &p, &q, &n, &d, &dmp1,
&dmq1, &iqmp, &t1, &t2, &t3, NULL);
return ret;
}