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Current Path: /usr/src/crypto/openssl/crypto/rsa

usr / src / crypto / openssl / crypto / rsa /

📁 ..
📄 build.info(320 B)
📄 rsa_ameth.c(30.14 KB)
📄 rsa_asn1.c(3.82 KB)
📄 rsa_chk.c(6.04 KB)
📄 rsa_crpt.c(3.93 KB)
📄 rsa_depr.c(1.46 KB)
📄 rsa_err.c(12.26 KB)
📄 rsa_gen.c(12.18 KB)
📄 rsa_lib.c(11.16 KB)
📄 rsa_local.h(4.9 KB)
📄 rsa_meth.c(7.33 KB)
📄 rsa_mp.c(2.63 KB)
📄 rsa_none.c(1.16 KB)
📄 rsa_oaep.c(10.32 KB)
📄 rsa_ossl.c(29.31 KB)
📄 rsa_pk1.c(7.46 KB)
📄 rsa_pmeth.c(24.91 KB)
📄 rsa_prn.c(1.02 KB)
📄 rsa_pss.c(7.19 KB)
📄 rsa_saos.c(2.68 KB)
📄 rsa_sign.c(7.74 KB)
📄 rsa_ssl.c(5.96 KB)
📄 rsa_x931.c(2.55 KB)
📄 rsa_x931g.c(4.67 KB)

Editing: rsa_mp.c

/*
 * Copyright 2017-2018 The OpenSSL Project Authors. All Rights Reserved.
 * Copyright 2017 BaishanCloud. All rights reserved.
 *
 * Licensed under the OpenSSL license (the "License").  You may not use
 * this file except in compliance with the License.  You can obtain a copy
 * in the file LICENSE in the source distribution or at
 * https://www.openssl.org/source/license.html
 */

#include <openssl/bn.h>
#include <openssl/err.h>
#include "rsa_local.h"

void rsa_multip_info_free_ex(RSA_PRIME_INFO *pinfo)
{
    /* free pp and pinfo only */
    BN_clear_free(pinfo->pp);
    OPENSSL_free(pinfo);
}

void rsa_multip_info_free(RSA_PRIME_INFO *pinfo)
{
    /* free a RSA_PRIME_INFO structure */
    BN_clear_free(pinfo->r);
    BN_clear_free(pinfo->d);
    BN_clear_free(pinfo->t);
    rsa_multip_info_free_ex(pinfo);
}

RSA_PRIME_INFO *rsa_multip_info_new(void)
{
    RSA_PRIME_INFO *pinfo;

/* create a RSA_PRIME_INFO structure */
    if ((pinfo = OPENSSL_zalloc(sizeof(RSA_PRIME_INFO))) == NULL) {
        RSAerr(RSA_F_RSA_MULTIP_INFO_NEW, ERR_R_MALLOC_FAILURE);
        return NULL;
    }
    if ((pinfo->r = BN_secure_new()) == NULL)
        goto err;
    if ((pinfo->d = BN_secure_new()) == NULL)
        goto err;
    if ((pinfo->t = BN_secure_new()) == NULL)
        goto err;
    if ((pinfo->pp = BN_secure_new()) == NULL)
        goto err;

return pinfo;

err:
    BN_free(pinfo->r);
    BN_free(pinfo->d);
    BN_free(pinfo->t);
    BN_free(pinfo->pp);
    OPENSSL_free(pinfo);
    return NULL;
}

/* Refill products of primes */
int rsa_multip_calc_product(RSA *rsa)
{
    RSA_PRIME_INFO *pinfo;
    BIGNUM *p1 = NULL, *p2 = NULL;
    BN_CTX *ctx = NULL;
    int i, rv = 0, ex_primes;

if ((ex_primes = sk_RSA_PRIME_INFO_num(rsa->prime_infos)) <= 0) {
        /* invalid */
        goto err;
    }

if ((ctx = BN_CTX_new()) == NULL)
        goto err;

/* calculate pinfo->pp = p * q for first 'extra' prime */
    p1 = rsa->p;
    p2 = rsa->q;

for (i = 0; i < ex_primes; i++) {
        pinfo = sk_RSA_PRIME_INFO_value(rsa->prime_infos, i);
        if (pinfo->pp == NULL) {
            pinfo->pp = BN_secure_new();
            if (pinfo->pp == NULL)
                goto err;
        }
        if (!BN_mul(pinfo->pp, p1, p2, ctx))
            goto err;
        /* save previous one */
        p1 = pinfo->pp;
        p2 = pinfo->r;
    }

rv = 1;
 err:
    BN_CTX_free(ctx);
    return rv;
}

int rsa_multip_cap(int bits)
{
    int cap = 5;

if (bits < 1024)
        cap = 2;
    else if (bits < 4096)
        cap = 3;
    else if (bits < 8192)
        cap = 4;

if (cap > RSA_MAX_PRIME_NUM)
        cap = RSA_MAX_PRIME_NUM;

return cap;
}

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Editing: rsa_mp.c

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