1 /* 2 * Copyright 2020-2021 The OpenSSL Project Authors. All Rights Reserved. 3 * 4 * Licensed under the Apache License 2.0 (the "License"). You may not use 5 * this file except in compliance with the License. You can obtain a copy 6 * in the file LICENSE in the source distribution or at 7 * https://www.openssl.org/source/license.html 8 */ 9 10 #include <string.h> /* memcpy */ 11 #include <openssl/core_names.h> 12 #include <openssl/param_build.h> 13 #include "crypto/rsa.h" 14 #include "rsa_local.h" 15 16 int ossl_rsa_acvp_test_gen_params_new(OSSL_PARAM **dst, const OSSL_PARAM src[]) 17 { 18 const OSSL_PARAM *p, *s; 19 OSSL_PARAM *d, *alloc = NULL; 20 int ret = 1; 21 22 static const OSSL_PARAM settable[] = { 23 OSSL_PARAM_BN(OSSL_PKEY_PARAM_RSA_TEST_XP, NULL, 0), 24 OSSL_PARAM_BN(OSSL_PKEY_PARAM_RSA_TEST_XP1, NULL, 0), 25 OSSL_PARAM_BN(OSSL_PKEY_PARAM_RSA_TEST_XP2, NULL, 0), 26 OSSL_PARAM_BN(OSSL_PKEY_PARAM_RSA_TEST_XQ, NULL, 0), 27 OSSL_PARAM_BN(OSSL_PKEY_PARAM_RSA_TEST_XQ1, NULL, 0), 28 OSSL_PARAM_BN(OSSL_PKEY_PARAM_RSA_TEST_XQ2, NULL, 0), 29 OSSL_PARAM_END 30 }; 31 32 /* Assume the first element is a required field if this feature is used */ 33 p = OSSL_PARAM_locate_const(src, settable[0].key); 34 if (p == NULL) 35 return 1; 36 37 /* Zeroing here means the terminator is always set at the end */ 38 alloc = OPENSSL_zalloc(sizeof(settable)); 39 if (alloc == NULL) 40 return 0; 41 42 d = alloc; 43 for (s = settable; s->key != NULL; ++s) { 44 /* If src contains a key from settable then copy the src to the dest */ 45 p = OSSL_PARAM_locate_const(src, s->key); 46 if (p != NULL) { 47 *d = *s; /* shallow copy from the static settable[] */ 48 d->data_size = p->data_size; 49 d->data = OPENSSL_memdup(p->data, p->data_size); 50 if (d->data == NULL) 51 ret = 0; 52 ++d; 53 } 54 } 55 if (ret == 0) { 56 ossl_rsa_acvp_test_gen_params_free(alloc); 57 alloc = NULL; 58 } 59 if (*dst != NULL) 60 ossl_rsa_acvp_test_gen_params_free(*dst); 61 *dst = alloc; 62 return ret; 63 } 64 65 void ossl_rsa_acvp_test_gen_params_free(OSSL_PARAM *dst) 66 { 67 OSSL_PARAM *p; 68 69 if (dst == NULL) 70 return; 71 72 for (p = dst; p->key != NULL; ++p) { 73 OPENSSL_free(p->data); 74 p->data = NULL; 75 } 76 OPENSSL_free(dst); 77 } 78 79 int ossl_rsa_acvp_test_set_params(RSA *r, const OSSL_PARAM params[]) 80 { 81 RSA_ACVP_TEST *t; 82 const OSSL_PARAM *p; 83 84 if (r->acvp_test != NULL) { 85 ossl_rsa_acvp_test_free(r->acvp_test); 86 r->acvp_test = NULL; 87 } 88 89 t = OPENSSL_zalloc(sizeof(*t)); 90 if (t == NULL) 91 return 0; 92 93 /* Set the input parameters */ 94 if ((p = OSSL_PARAM_locate_const(params, OSSL_PKEY_PARAM_RSA_TEST_XP1)) != NULL 95 && !OSSL_PARAM_get_BN(p, &t->Xp1)) 96 goto err; 97 if ((p = OSSL_PARAM_locate_const(params, OSSL_PKEY_PARAM_RSA_TEST_XP2)) != NULL 98 && !OSSL_PARAM_get_BN(p, &t->Xp2)) 99 goto err; 100 if ((p = OSSL_PARAM_locate_const(params, OSSL_PKEY_PARAM_RSA_TEST_XP)) != NULL 101 && !OSSL_PARAM_get_BN(p, &t->Xp)) 102 goto err; 103 if ((p = OSSL_PARAM_locate_const(params, OSSL_PKEY_PARAM_RSA_TEST_XQ1)) != NULL 104 && !OSSL_PARAM_get_BN(p, &t->Xq1)) 105 goto err; 106 if ((p = OSSL_PARAM_locate_const(params, OSSL_PKEY_PARAM_RSA_TEST_XQ2)) != NULL 107 && !OSSL_PARAM_get_BN(p, &t->Xq2)) 108 goto err; 109 if ((p = OSSL_PARAM_locate_const(params, OSSL_PKEY_PARAM_RSA_TEST_XQ)) != NULL 110 && !OSSL_PARAM_get_BN(p, &t->Xq)) 111 goto err; 112 113 /* Setup the output parameters */ 114 t->p1 = BN_new(); 115 t->p2 = BN_new(); 116 t->q1 = BN_new(); 117 t->q2 = BN_new(); 118 r->acvp_test = t; 119 return 1; 120 err: 121 ossl_rsa_acvp_test_free(t); 122 return 0; 123 } 124 125 int ossl_rsa_acvp_test_get_params(RSA *r, OSSL_PARAM params[]) 126 { 127 RSA_ACVP_TEST *t; 128 OSSL_PARAM *p; 129 130 if (r == NULL) 131 return 0; 132 133 t = r->acvp_test; 134 if (t != NULL) { 135 if ((p = OSSL_PARAM_locate(params, OSSL_PKEY_PARAM_RSA_TEST_P1)) != NULL 136 && !OSSL_PARAM_set_BN(p, t->p1)) 137 return 0; 138 if ((p = OSSL_PARAM_locate(params, OSSL_PKEY_PARAM_RSA_TEST_P2)) != NULL 139 && !OSSL_PARAM_set_BN(p, t->p2)) 140 return 0; 141 if ((p = OSSL_PARAM_locate(params, OSSL_PKEY_PARAM_RSA_TEST_Q1)) != NULL 142 && !OSSL_PARAM_set_BN(p, t->q1)) 143 return 0; 144 if ((p = OSSL_PARAM_locate(params, OSSL_PKEY_PARAM_RSA_TEST_Q2)) != NULL 145 && !OSSL_PARAM_set_BN(p, t->q2)) 146 return 0; 147 } 148 return 1; 149 } 150 151 void ossl_rsa_acvp_test_free(RSA_ACVP_TEST *t) 152 { 153 if (t != NULL) { 154 BN_free(t->Xp1); 155 BN_free(t->Xp2); 156 BN_free(t->Xp); 157 BN_free(t->Xq1); 158 BN_free(t->Xq2); 159 BN_free(t->Xq); 160 BN_free(t->p1); 161 BN_free(t->p2); 162 BN_free(t->q1); 163 BN_free(t->q2); 164 OPENSSL_free(t); 165 } 166 } 167 168