/*
- * Copyright 2019 The OpenSSL Project Authors. All Rights Reserved.
+ * Copyright 2019-2020 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the Apache License 2.0 (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
#include <openssl/err.h>
#include <openssl/rsa.h>
#include <openssl/evp.h>
-#include <openssl/params.h>
-#include <openssl/types.h>
-#include "internal/param_build.h"
#include "prov/implementations.h"
#include "prov/providercommon.h"
#include "prov/provider_ctx.h"
#include "crypto/rsa.h"
+#include "internal/param_build_set.h"
static OSSL_OP_keymgmt_new_fn rsa_newdata;
static OSSL_OP_keymgmt_gen_init_fn rsa_gen_init;
static OSSL_OP_keymgmt_export_types_fn rsa_export_types;
#define RSA_DEFAULT_MD "SHA256"
-#define RSA_POSSIBLE_SELECTIONS \
+#define RSA_POSSIBLE_SELECTIONS \
(OSSL_KEYMGMT_SELECT_KEYPAIR | OSSL_KEYMGMT_SELECT_OTHER_PARAMETERS)
DEFINE_STACK_OF(BIGNUM)
DEFINE_SPECIAL_STACK_OF_CONST(BIGNUM_const, BIGNUM)
-static int collect_numbers(STACK_OF(BIGNUM) *numbers,
- const OSSL_PARAM params[], const char *key)
-{
- const OSSL_PARAM *p = NULL;
-
- if (numbers == NULL)
- return 0;
-
- for (p = params; (p = OSSL_PARAM_locate_const(p, key)) != NULL; p++) {
- BIGNUM *tmp = NULL;
-
- if (!OSSL_PARAM_get_BN(p, &tmp))
- return 0;
- sk_BIGNUM_push(numbers, tmp);
- }
-
- return 1;
-}
-
-static int params_to_key(RSA *rsa, const OSSL_PARAM params[])
-{
- const OSSL_PARAM *param_n, *param_e, *param_d;
- BIGNUM *n = NULL, *e = NULL, *d = NULL;
- STACK_OF(BIGNUM) *factors = NULL, *exps = NULL, *coeffs = NULL;
- int is_private = 0;
-
- if (rsa == NULL)
- return 0;
-
- param_n = OSSL_PARAM_locate_const(params, OSSL_PKEY_PARAM_RSA_N);
- param_e = OSSL_PARAM_locate_const(params, OSSL_PKEY_PARAM_RSA_E);
- param_d = OSSL_PARAM_locate_const(params, OSSL_PKEY_PARAM_RSA_D);
-
- if ((param_n != NULL && !OSSL_PARAM_get_BN(param_n, &n))
- || (param_e != NULL && !OSSL_PARAM_get_BN(param_e, &e))
- || (param_d != NULL && !OSSL_PARAM_get_BN(param_d, &d)))
- goto err;
-
- is_private = (d != NULL);
-
- if (!RSA_set0_key(rsa, n, e, d))
- goto err;
- n = e = d = NULL;
-
- if (is_private) {
- if (!collect_numbers(factors = sk_BIGNUM_new_null(), params,
- OSSL_PKEY_PARAM_RSA_FACTOR)
- || !collect_numbers(exps = sk_BIGNUM_new_null(), params,
- OSSL_PKEY_PARAM_RSA_EXPONENT)
- || !collect_numbers(coeffs = sk_BIGNUM_new_null(), params,
- OSSL_PKEY_PARAM_RSA_COEFFICIENT))
- goto err;
-
- /* It's ok if this private key just has n, e and d */
- if (sk_BIGNUM_num(factors) != 0
- && !rsa_set0_all_params(rsa, factors, exps, coeffs))
- goto err;
- }
-
- sk_BIGNUM_free(factors);
- sk_BIGNUM_free(exps);
- sk_BIGNUM_free(coeffs);
- return 1;
-
- err:
- BN_free(n);
- BN_free(e);
- BN_free(d);
- sk_BIGNUM_pop_free(factors, BN_free);
- sk_BIGNUM_pop_free(exps, BN_free);
- sk_BIGNUM_pop_free(coeffs, BN_free);
- return 0;
-}
-
-static int export_numbers(OSSL_PARAM_BLD *tmpl, const char *key,
- STACK_OF(BIGNUM_const) *numbers)
-{
- int i, nnum;
-
- if (numbers == NULL)
- return 0;
-
- nnum = sk_BIGNUM_const_num(numbers);
-
- for (i = 0; i < nnum; i++) {
- if (!ossl_param_bld_push_BN(tmpl, key,
- sk_BIGNUM_const_value(numbers, i)))
- return 0;
- }
-
- return 1;
-}
-
-static int key_to_params(RSA *rsa, OSSL_PARAM_BLD *tmpl)
+static int key_to_params(RSA *rsa, OSSL_PARAM_BLD *bld, OSSL_PARAM params[])
{
int ret = 0;
const BIGNUM *rsa_d = NULL, *rsa_n = NULL, *rsa_e = NULL;
RSA_get0_key(rsa, &rsa_n, &rsa_e, &rsa_d);
rsa_get0_all_params(rsa, factors, exps, coeffs);
- if (rsa_n != NULL
- && !ossl_param_bld_push_BN(tmpl, OSSL_PKEY_PARAM_RSA_N, rsa_n))
- goto err;
- if (rsa_e != NULL
- && !ossl_param_bld_push_BN(tmpl, OSSL_PKEY_PARAM_RSA_E, rsa_e))
- goto err;
- if (rsa_d != NULL
- && !ossl_param_bld_push_BN(tmpl, OSSL_PKEY_PARAM_RSA_D, rsa_d))
- goto err;
-
- if (!export_numbers(tmpl, OSSL_PKEY_PARAM_RSA_FACTOR, factors)
- || !export_numbers(tmpl, OSSL_PKEY_PARAM_RSA_EXPONENT, exps)
- || !export_numbers(tmpl, OSSL_PKEY_PARAM_RSA_COEFFICIENT, coeffs))
+ if (!ossl_param_build_set_bn(bld, params, OSSL_PKEY_PARAM_RSA_N, rsa_n)
+ || !ossl_param_build_set_bn(bld, params, OSSL_PKEY_PARAM_RSA_E, rsa_e)
+ || !ossl_param_build_set_bn(bld, params, OSSL_PKEY_PARAM_RSA_D, rsa_d)
+ || !ossl_param_build_set_multi_key_bn(bld, params, rsa_mp_factor_names,
+ factors)
+ || !ossl_param_build_set_multi_key_bn(bld, params, rsa_mp_exp_names,
+ exps)
+ || !ossl_param_build_set_multi_key_bn(bld, params, rsa_mp_coeff_names,
+ coeffs))
goto err;
-
ret = 1;
err:
sk_BIGNUM_const_free(factors);
/* TODO(3.0) PSS and OAEP should bring on parameters */
if ((selection & OSSL_KEYMGMT_SELECT_KEYPAIR) != 0)
- ok = ok && params_to_key(rsa, params);
+ ok = ok && rsa_fromdata(rsa, params);
return ok;
}
OSSL_CALLBACK *param_callback, void *cbarg)
{
RSA *rsa = keydata;
- OSSL_PARAM_BLD tmpl;
+ OSSL_PARAM_BLD *tmpl;
OSSL_PARAM *params = NULL;
int ok = 1;
/* TODO(3.0) PSS and OAEP should bring on parameters */
- ossl_param_bld_init(&tmpl);
+ tmpl = OSSL_PARAM_BLD_new();
+ if (tmpl == NULL)
+ return 0;
if ((selection & OSSL_KEYMGMT_SELECT_KEYPAIR) != 0)
- ok = ok && key_to_params(rsa, &tmpl);
+ ok = ok && key_to_params(rsa, tmpl, NULL);
if (!ok
- || (params = ossl_param_bld_to_param(&tmpl)) == NULL)
- return 0;
+ || (params = OSSL_PARAM_BLD_to_param(tmpl)) == NULL)
+ goto err;
ok = param_callback(params, cbarg);
- ossl_param_bld_free(params);
+ OSSL_PARAM_BLD_free_params(params);
+err:
+ OSSL_PARAM_BLD_free(tmpl);
return ok;
}
+#ifdef FIPS_MODE
+/* In fips mode there are no multi-primes. */
+# define RSA_KEY_MP_TYPES() \
+OSSL_PARAM_BN(OSSL_PKEY_PARAM_RSA_FACTOR1, NULL, 0), \
+OSSL_PARAM_BN(OSSL_PKEY_PARAM_RSA_FACTOR2, NULL, 0), \
+OSSL_PARAM_BN(OSSL_PKEY_PARAM_RSA_EXPONENT1, NULL, 0), \
+OSSL_PARAM_BN(OSSL_PKEY_PARAM_RSA_EXPONENT2, NULL, 0), \
+OSSL_PARAM_BN(OSSL_PKEY_PARAM_RSA_COEFFICIENT1, NULL, 0),
+#else
+/*
+ * We allow up to 10 prime factors (starting with p, q).
+ * NOTE: there is only 9 OSSL_PKEY_PARAM_RSA_COEFFICIENT
+ */
+# define RSA_KEY_MP_TYPES() \
+OSSL_PARAM_BN(OSSL_PKEY_PARAM_RSA_FACTOR1, NULL, 0), \
+OSSL_PARAM_BN(OSSL_PKEY_PARAM_RSA_FACTOR2, NULL, 0), \
+OSSL_PARAM_BN(OSSL_PKEY_PARAM_RSA_FACTOR3, NULL, 0), \
+OSSL_PARAM_BN(OSSL_PKEY_PARAM_RSA_FACTOR4, NULL, 0), \
+OSSL_PARAM_BN(OSSL_PKEY_PARAM_RSA_FACTOR5, NULL, 0), \
+OSSL_PARAM_BN(OSSL_PKEY_PARAM_RSA_FACTOR6, NULL, 0), \
+OSSL_PARAM_BN(OSSL_PKEY_PARAM_RSA_FACTOR7, NULL, 0), \
+OSSL_PARAM_BN(OSSL_PKEY_PARAM_RSA_FACTOR8, NULL, 0), \
+OSSL_PARAM_BN(OSSL_PKEY_PARAM_RSA_FACTOR9, NULL, 0), \
+OSSL_PARAM_BN(OSSL_PKEY_PARAM_RSA_FACTOR10, NULL, 0), \
+OSSL_PARAM_BN(OSSL_PKEY_PARAM_RSA_EXPONENT1, NULL, 0), \
+OSSL_PARAM_BN(OSSL_PKEY_PARAM_RSA_EXPONENT2, NULL, 0), \
+OSSL_PARAM_BN(OSSL_PKEY_PARAM_RSA_EXPONENT3, NULL, 0), \
+OSSL_PARAM_BN(OSSL_PKEY_PARAM_RSA_EXPONENT4, NULL, 0), \
+OSSL_PARAM_BN(OSSL_PKEY_PARAM_RSA_EXPONENT5, NULL, 0), \
+OSSL_PARAM_BN(OSSL_PKEY_PARAM_RSA_EXPONENT6, NULL, 0), \
+OSSL_PARAM_BN(OSSL_PKEY_PARAM_RSA_EXPONENT7, NULL, 0), \
+OSSL_PARAM_BN(OSSL_PKEY_PARAM_RSA_EXPONENT8, NULL, 0), \
+OSSL_PARAM_BN(OSSL_PKEY_PARAM_RSA_EXPONENT9, NULL, 0), \
+OSSL_PARAM_BN(OSSL_PKEY_PARAM_RSA_EXPONENT10, NULL, 0), \
+OSSL_PARAM_BN(OSSL_PKEY_PARAM_RSA_COEFFICIENT1, NULL, 0), \
+OSSL_PARAM_BN(OSSL_PKEY_PARAM_RSA_COEFFICIENT2, NULL, 0), \
+OSSL_PARAM_BN(OSSL_PKEY_PARAM_RSA_COEFFICIENT3, NULL, 0), \
+OSSL_PARAM_BN(OSSL_PKEY_PARAM_RSA_COEFFICIENT4, NULL, 0), \
+OSSL_PARAM_BN(OSSL_PKEY_PARAM_RSA_COEFFICIENT5, NULL, 0), \
+OSSL_PARAM_BN(OSSL_PKEY_PARAM_RSA_COEFFICIENT6, NULL, 0), \
+OSSL_PARAM_BN(OSSL_PKEY_PARAM_RSA_COEFFICIENT7, NULL, 0), \
+OSSL_PARAM_BN(OSSL_PKEY_PARAM_RSA_COEFFICIENT8, NULL, 0), \
+OSSL_PARAM_BN(OSSL_PKEY_PARAM_RSA_COEFFICIENT9, NULL, 0),
+#endif
+
+#define RSA_KEY_TYPES() \
+OSSL_PARAM_BN(OSSL_PKEY_PARAM_RSA_N, NULL, 0), \
+OSSL_PARAM_BN(OSSL_PKEY_PARAM_RSA_E, NULL, 0), \
+OSSL_PARAM_BN(OSSL_PKEY_PARAM_RSA_D, NULL, 0), \
+RSA_KEY_MP_TYPES()
+
/*
* This provider can export everything in an RSA key, so we use the exact
* same type description for export as for import. Other providers might
* different arrays.
*/
static const OSSL_PARAM rsa_key_types[] = {
- OSSL_PARAM_BN(OSSL_PKEY_PARAM_RSA_N, NULL, 0),
- OSSL_PARAM_BN(OSSL_PKEY_PARAM_RSA_E, NULL, 0),
- OSSL_PARAM_BN(OSSL_PKEY_PARAM_RSA_D, NULL, 0),
- /* We tolerate up to 10 factors... */
- OSSL_PARAM_BN(OSSL_PKEY_PARAM_RSA_FACTOR, NULL, 0),
- OSSL_PARAM_BN(OSSL_PKEY_PARAM_RSA_FACTOR, NULL, 0),
- OSSL_PARAM_BN(OSSL_PKEY_PARAM_RSA_FACTOR, NULL, 0),
- OSSL_PARAM_BN(OSSL_PKEY_PARAM_RSA_FACTOR, NULL, 0),
- OSSL_PARAM_BN(OSSL_PKEY_PARAM_RSA_FACTOR, NULL, 0),
- OSSL_PARAM_BN(OSSL_PKEY_PARAM_RSA_FACTOR, NULL, 0),
- OSSL_PARAM_BN(OSSL_PKEY_PARAM_RSA_FACTOR, NULL, 0),
- OSSL_PARAM_BN(OSSL_PKEY_PARAM_RSA_FACTOR, NULL, 0),
- OSSL_PARAM_BN(OSSL_PKEY_PARAM_RSA_FACTOR, NULL, 0),
- OSSL_PARAM_BN(OSSL_PKEY_PARAM_RSA_FACTOR, NULL, 0),
- /* ..., up to 10 CRT exponents... */
- OSSL_PARAM_BN(OSSL_PKEY_PARAM_RSA_EXPONENT, NULL, 0),
- OSSL_PARAM_BN(OSSL_PKEY_PARAM_RSA_EXPONENT, NULL, 0),
- OSSL_PARAM_BN(OSSL_PKEY_PARAM_RSA_EXPONENT, NULL, 0),
- OSSL_PARAM_BN(OSSL_PKEY_PARAM_RSA_EXPONENT, NULL, 0),
- OSSL_PARAM_BN(OSSL_PKEY_PARAM_RSA_EXPONENT, NULL, 0),
- OSSL_PARAM_BN(OSSL_PKEY_PARAM_RSA_EXPONENT, NULL, 0),
- OSSL_PARAM_BN(OSSL_PKEY_PARAM_RSA_EXPONENT, NULL, 0),
- OSSL_PARAM_BN(OSSL_PKEY_PARAM_RSA_EXPONENT, NULL, 0),
- OSSL_PARAM_BN(OSSL_PKEY_PARAM_RSA_EXPONENT, NULL, 0),
- OSSL_PARAM_BN(OSSL_PKEY_PARAM_RSA_EXPONENT, NULL, 0),
- /* ..., and up to 9 CRT coefficients */
- OSSL_PARAM_BN(OSSL_PKEY_PARAM_RSA_COEFFICIENT, NULL, 0),
- OSSL_PARAM_BN(OSSL_PKEY_PARAM_RSA_COEFFICIENT, NULL, 0),
- OSSL_PARAM_BN(OSSL_PKEY_PARAM_RSA_COEFFICIENT, NULL, 0),
- OSSL_PARAM_BN(OSSL_PKEY_PARAM_RSA_COEFFICIENT, NULL, 0),
- OSSL_PARAM_BN(OSSL_PKEY_PARAM_RSA_COEFFICIENT, NULL, 0),
- OSSL_PARAM_BN(OSSL_PKEY_PARAM_RSA_COEFFICIENT, NULL, 0),
- OSSL_PARAM_BN(OSSL_PKEY_PARAM_RSA_COEFFICIENT, NULL, 0),
- OSSL_PARAM_BN(OSSL_PKEY_PARAM_RSA_COEFFICIENT, NULL, 0),
- OSSL_PARAM_BN(OSSL_PKEY_PARAM_RSA_COEFFICIENT, NULL, 0),
+ RSA_KEY_TYPES()
+ OSSL_PARAM_END
};
/*
* We lied about the amount of factors, exponents and coefficients, the
return rsa_imexport_types(selection);
}
-
static const OSSL_PARAM *rsa_export_types(int selection)
{
return rsa_imexport_types(selection);
if (!OSSL_PARAM_set_utf8_string(p, RSA_DEFAULT_MD))
return 0;
}
-
- return 1;
+ return key_to_params(rsa, NULL, params);
}
static const OSSL_PARAM rsa_params[] = {
OSSL_PARAM_int(OSSL_PKEY_PARAM_SECURITY_BITS, NULL),
OSSL_PARAM_int(OSSL_PKEY_PARAM_MAX_SIZE, NULL),
OSSL_PARAM_utf8_string(OSSL_PKEY_PARAM_DEFAULT_DIGEST, NULL, 0),
+ RSA_KEY_TYPES()
OSSL_PARAM_END
};
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