13 void BN_RECP_CTX_init(BN_RECP_CTX *recp)  in BN_RECP_CTX_init()  argument
15     memset(recp, 0, sizeof(*recp));  in BN_RECP_CTX_init()
16     bn_init(&(recp->N));  in BN_RECP_CTX_init()
17     bn_init(&(recp->Nr));  in BN_RECP_CTX_init()
35 void BN_RECP_CTX_free(BN_RECP_CTX *recp)  in BN_RECP_CTX_free()  argument
37     if (recp == NULL)  in BN_RECP_CTX_free()
39     BN_free(&recp->N);  in BN_RECP_CTX_free()
40     BN_free(&recp->Nr);  in BN_RECP_CTX_free()
41     if (recp->flags & BN_FLG_MALLOCED)  in BN_RECP_CTX_free()
42         OPENSSL_free(recp);  in BN_RECP_CTX_free()
45 int BN_RECP_CTX_set(BN_RECP_CTX *recp, const BIGNUM *d, BN_CTX *ctx)  in BN_RECP_CTX_set()  argument
47     if (!BN_copy(&(recp->N), d))  in BN_RECP_CTX_set()
49     BN_zero(&(recp->Nr));  in BN_RECP_CTX_set()
50     recp->num_bits = BN_num_bits(d);  in BN_RECP_CTX_set()
51     recp->shift = 0;  in BN_RECP_CTX_set()
56                           BN_RECP_CTX *recp, BN_CTX *ctx)  in BN_mod_mul_reciprocal()  argument
77     ret = BN_div_recp(NULL, r, ca, recp, ctx);  in BN_mod_mul_reciprocal()
85                 BN_RECP_CTX *recp, BN_CTX *ctx)  in BN_div_recp()  argument
98     if (BN_ucmp(m, &(recp->N)) < 0) {  in BN_div_recp()
115     j = recp->num_bits << 1;  in BN_div_recp()
120     if (i != recp->shift)  in BN_div_recp()
121         recp->shift = BN_reciprocal(&(recp->Nr), &(recp->N), i, ctx);  in BN_div_recp()
123     if (recp->shift == -1)  in BN_div_recp()
132     if (!BN_rshift(a, m, recp->num_bits))  in BN_div_recp()
134     if (!BN_mul(b, a, &(recp->Nr), ctx))  in BN_div_recp()
136     if (!BN_rshift(d, b, i - recp->num_bits))  in BN_div_recp()
140     if (!BN_mul(b, &(recp->N), d, ctx))  in BN_div_recp()
147     while (BN_ucmp(r, &(recp->N)) >= 0) {  in BN_div_recp()
152         if (!BN_usub(r, r, &(recp->N)))  in BN_div_recp()
159     d->neg = m->neg ^ recp->N.neg;  in BN_div_recp()