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Convert mp_find_prime to use mp_prime_is_prime

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Modify the signature of mp_find_prime() to permit the number of
Miller-Rabin rounds to be specified.  In addition, valid responses
now include MP_NO, MP_YES, and MP_VAL which is returned when
mp_prime_is_prime() fails.

Change-Id: I0195129a4dd75875e6dddb6d49a5ceb30afb1a17
This commit is contained in:
Jeffrey Altman
2013-10-07 15:13:18 -05:00
parent 1859a85350
commit 28051fa99c
3 changed files with 15 additions and 6 deletions
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4
lib/hcrypto/rsa-ltm.c
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@@ -528,7 +528,7 @@ ltm_rsa_generate_key(RSA *rsa, int bits, BIGNUM *e, BN_GENCB *cb)
do {
BN_GENCB_call(cb, 2, counter++);
CHECK(random_num(&p, bitsp), 0);
CHECK(mp_find_prime(&p), MP_YES);
CHECK(mp_find_prime(&p,128), MP_YES);
mp_sub_d(&p, 1, &t1);
mp_gcd(&t1, &el, &t2);
@@ -540,7 +540,7 @@ ltm_rsa_generate_key(RSA *rsa, int bits, BIGNUM *e, BN_GENCB *cb)
do {
BN_GENCB_call(cb, 2, counter++);
CHECK(random_num(&q, bits - bitsp), 0);
CHECK(mp_find_prime(&q), MP_YES);
CHECK(mp_find_prime(&q,128), MP_YES);
if (mp_cmp(&p, &q) == 0) /* don't let p and q be the same */
continue;