208 static void BN_RECP_CTX_init(BN_RECP_CTX *recp) {  in BN_RECP_CTX_init()  argument
209   BN_init(&recp->N);  in BN_RECP_CTX_init()
210   BN_init(&recp->Nr);  in BN_RECP_CTX_init()
211   recp->num_bits = 0;  in BN_RECP_CTX_init()
212   recp->flags = 0;  in BN_RECP_CTX_init()
215 static void BN_RECP_CTX_free(BN_RECP_CTX *recp) {  in BN_RECP_CTX_free()  argument
216   if (recp == NULL) {  in BN_RECP_CTX_free()
220   BN_free(&recp->N);  in BN_RECP_CTX_free()
221   BN_free(&recp->Nr);  in BN_RECP_CTX_free()
224 static int BN_RECP_CTX_set(BN_RECP_CTX *recp, const BIGNUM *d, BN_CTX *ctx) {  in BN_RECP_CTX_set()  argument
225   if (!BN_copy(&(recp->N), d)) {  in BN_RECP_CTX_set()
228   BN_zero(&recp->Nr);  in BN_RECP_CTX_set()
229   recp->num_bits = BN_num_bits(d);  in BN_RECP_CTX_set()
230   recp->shift = 0;  in BN_RECP_CTX_set()
265                        BN_RECP_CTX *recp, BN_CTX *ctx) {  in BN_div_recp()  argument
288   if (BN_ucmp(m, &recp->N) < 0) {  in BN_div_recp()
303   j = recp->num_bits << 1;  in BN_div_recp()
309   if (i != recp->shift) {  in BN_div_recp()
310     recp->shift =  in BN_div_recp()
311         BN_reciprocal(&(recp->Nr), &(recp->N), i,  in BN_div_recp()
315   if (recp->shift == -1) {  in BN_div_recp()
325   if (!BN_rshift(a, m, recp->num_bits)) {  in BN_div_recp()
328   if (!BN_mul(b, a, &(recp->Nr), ctx)) {  in BN_div_recp()
331   if (!BN_rshift(d, b, i - recp->num_bits)) {  in BN_div_recp()
336   if (!BN_mul(b, &(recp->N), d, ctx)) {  in BN_div_recp()
345   while (BN_ucmp(r, &(recp->N)) >= 0) {  in BN_div_recp()
350     if (!BN_usub(r, r, &(recp->N))) {  in BN_div_recp()
359   d->neg = m->neg ^ recp->N.neg;  in BN_div_recp()
368                                  BN_RECP_CTX *recp, BN_CTX *ctx) {  in BN_mod_mul_reciprocal()  argument
394   ret = BN_div_recp(NULL, r, ca, recp, ctx);  in BN_mod_mul_reciprocal()
437   BN_RECP_CTX recp;  in mod_exp_recp()  local
463   BN_RECP_CTX_init(&recp);  in mod_exp_recp()
470     if (BN_RECP_CTX_set(&recp, aa, ctx) <= 0) {  in mod_exp_recp()
474     if (BN_RECP_CTX_set(&recp, m, ctx) <= 0) {  in mod_exp_recp()
490     if (!BN_mod_mul_reciprocal(aa, val[0], val[0], &recp, ctx)) {  in mod_exp_recp()
496           !BN_mod_mul_reciprocal(val[i], val[i - 1], aa, &recp, ctx)) {  in mod_exp_recp()
517         if (!BN_mod_mul_reciprocal(r, r, r, &recp, ctx)) {  in mod_exp_recp()
550         if (!BN_mod_mul_reciprocal(r, r, r, &recp, ctx)) {  in mod_exp_recp()
557     if (!BN_mod_mul_reciprocal(r, r, val[wvalue >> 1], &recp, ctx)) {  in mod_exp_recp()
572   BN_RECP_CTX_free(&recp);  in mod_exp_recp()