/*
- * 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
* https://www.openssl.org/source/license.html
*/
-#include <openssl/core_numbers.h>
+/*
+ * RSA low level APIs are deprecated for public use, but still ok for
+ * internal use.
+ */
+#include "internal/deprecated.h"
+
+#include <openssl/core_dispatch.h>
#include <openssl/core_names.h>
#include <openssl/bn.h>
#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"
-
-static OSSL_OP_keymgmt_new_fn rsa_newdata;
-static OSSL_OP_keymgmt_free_fn rsa_freedata;
-static OSSL_OP_keymgmt_get_params_fn rsa_get_params;
-static OSSL_OP_keymgmt_gettable_params_fn rsa_gettable_params;
-static OSSL_OP_keymgmt_has_fn rsa_has;
-static OSSL_OP_keymgmt_validate_fn rsa_validate;
-static OSSL_OP_keymgmt_import_fn rsa_import;
-static OSSL_OP_keymgmt_import_types_fn rsa_import_types;
-static OSSL_OP_keymgmt_export_fn rsa_export;
-static OSSL_OP_keymgmt_export_types_fn rsa_export_types;
+#include "crypto/cryptlib.h"
+#include "internal/param_build_set.h"
+
+static OSSL_FUNC_keymgmt_new_fn rsa_newdata;
+static OSSL_FUNC_keymgmt_new_fn rsapss_newdata;
+static OSSL_FUNC_keymgmt_gen_init_fn rsa_gen_init;
+static OSSL_FUNC_keymgmt_gen_init_fn rsapss_gen_init;
+static OSSL_FUNC_keymgmt_gen_set_params_fn rsa_gen_set_params;
+static OSSL_FUNC_keymgmt_gen_settable_params_fn rsa_gen_settable_params;
+static OSSL_FUNC_keymgmt_gen_settable_params_fn rsapss_gen_settable_params;
+static OSSL_FUNC_keymgmt_gen_fn rsa_gen;
+static OSSL_FUNC_keymgmt_gen_cleanup_fn rsa_gen_cleanup;
+static OSSL_FUNC_keymgmt_load_fn rsa_load;
+static OSSL_FUNC_keymgmt_free_fn rsa_freedata;
+static OSSL_FUNC_keymgmt_get_params_fn rsa_get_params;
+static OSSL_FUNC_keymgmt_gettable_params_fn rsa_gettable_params;
+static OSSL_FUNC_keymgmt_has_fn rsa_has;
+static OSSL_FUNC_keymgmt_match_fn rsa_match;
+static OSSL_FUNC_keymgmt_validate_fn rsa_validate;
+static OSSL_FUNC_keymgmt_import_fn rsa_import;
+static OSSL_FUNC_keymgmt_import_types_fn rsa_import_types;
+static OSSL_FUNC_keymgmt_export_fn rsa_export;
+static OSSL_FUNC_keymgmt_export_types_fn rsa_export_types;
+static OSSL_FUNC_keymgmt_query_operation_name_fn rsa_query_operation_name;
#define RSA_DEFAULT_MD "SHA256"
-#define RSA_POSSIBLE_SELECTIONS \
+#define RSA_PSS_DEFAULT_MD OSSL_DIGEST_NAME_SHA1
+#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)
+static int pss_params_fromdata(RSA_PSS_PARAMS_30 *pss_params,
+ const OSSL_PARAM params[], int rsa_type,
+ OPENSSL_CTX *libctx)
{
- const OSSL_PARAM *p = NULL;
-
- if (numbers == NULL)
+ if (!ossl_rsa_pss_params_30_fromdata(pss_params, params, libctx))
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)
+ /* If not a PSS type RSA, sending us PSS parameters is wrong */
+ if (rsa_type != RSA_FLAG_TYPE_RSASSAPSS
+ && !ossl_rsa_pss_params_30_is_unrestricted(pss_params))
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)
+static void *rsa_newdata(void *provctx)
{
- int i, nnum;
-
- if (numbers == NULL)
- return 0;
+ OPENSSL_CTX *libctx = PROV_LIBRARY_CONTEXT_OF(provctx);
+ RSA *rsa;
- nnum = sk_BIGNUM_const_num(numbers);
+ if (!ossl_prov_is_running())
+ return NULL;
- for (i = 0; i < nnum; i++) {
- if (!ossl_param_bld_push_BN(tmpl, key,
- sk_BIGNUM_const_value(numbers, i)))
- return 0;
+ rsa = ossl_rsa_new_with_ctx(libctx);
+ if (rsa != NULL) {
+ RSA_clear_flags(rsa, RSA_FLAG_TYPE_MASK);
+ RSA_set_flags(rsa, RSA_FLAG_TYPE_RSA);
}
-
- return 1;
+ return rsa;
}
-static int key_to_params(RSA *rsa, OSSL_PARAM_BLD *tmpl)
+static void *rsapss_newdata(void *provctx)
{
- int ret = 0;
- const BIGNUM *rsa_d = NULL, *rsa_n = NULL, *rsa_e = NULL;
- STACK_OF(BIGNUM_const) *factors = sk_BIGNUM_const_new_null();
- STACK_OF(BIGNUM_const) *exps = sk_BIGNUM_const_new_null();
- STACK_OF(BIGNUM_const) *coeffs = sk_BIGNUM_const_new_null();
-
- if (rsa == NULL || factors == NULL || exps == NULL || coeffs == NULL)
- goto err;
+ OPENSSL_CTX *libctx = PROV_LIBRARY_CONTEXT_OF(provctx);
+ RSA *rsa;
- RSA_get0_key(rsa, &rsa_n, &rsa_e, &rsa_d);
- rsa_get0_all_params(rsa, factors, exps, coeffs);
+ if (!ossl_prov_is_running())
+ return NULL;
- 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))
- goto err;
-
- ret = 1;
- err:
- sk_BIGNUM_const_free(factors);
- sk_BIGNUM_const_free(exps);
- sk_BIGNUM_const_free(coeffs);
- return ret;
-}
-
-static void *rsa_newdata(void *provctx)
-{
- return RSA_new();
+ rsa = ossl_rsa_new_with_ctx(libctx);
+ if (rsa != NULL) {
+ RSA_clear_flags(rsa, RSA_FLAG_TYPE_MASK);
+ RSA_set_flags(rsa, RSA_FLAG_TYPE_RSASSAPSS);
+ }
+ return rsa;
}
static void rsa_freedata(void *keydata)
RSA *rsa = keydata;
int ok = 0;
- if ((selection & RSA_POSSIBLE_SELECTIONS) != 0)
- ok = 1;
+ if (rsa != NULL && ossl_prov_is_running()) {
+ if ((selection & RSA_POSSIBLE_SELECTIONS) != 0)
+ ok = 1;
+
+ if ((selection & OSSL_KEYMGMT_SELECT_OTHER_PARAMETERS) != 0)
+ /* This will change with OAEP */
+ ok = ok && (RSA_test_flags(rsa, RSA_FLAG_TYPE_RSASSAPSS) != 0);
+ if ((selection & OSSL_KEYMGMT_SELECT_KEYPAIR) != 0)
+ ok = ok && (RSA_get0_e(rsa) != NULL);
+ if ((selection & OSSL_KEYMGMT_SELECT_PUBLIC_KEY) != 0)
+ ok = ok && (RSA_get0_n(rsa) != NULL);
+ if ((selection & OSSL_KEYMGMT_SELECT_PRIVATE_KEY) != 0)
+ ok = ok && (RSA_get0_d(rsa) != NULL);
+ }
+ return ok;
+}
+
+static int rsa_match(const void *keydata1, const void *keydata2, int selection)
+{
+ const RSA *rsa1 = keydata1;
+ const RSA *rsa2 = keydata2;
+ int ok = 1;
- ok = ok && (RSA_get0_e(rsa) != NULL);
+ if (!ossl_prov_is_running())
+ return 0;
+
+ /* There is always an |e| */
+ ok = ok && BN_cmp(RSA_get0_e(rsa1), RSA_get0_e(rsa2)) == 0;
if ((selection & OSSL_KEYMGMT_SELECT_PUBLIC_KEY) != 0)
- ok = ok && (RSA_get0_n(rsa) != NULL);
+ ok = ok && BN_cmp(RSA_get0_n(rsa1), RSA_get0_n(rsa2)) == 0;
if ((selection & OSSL_KEYMGMT_SELECT_PRIVATE_KEY) != 0)
- ok = ok && (RSA_get0_d(rsa) != NULL);
+ ok = ok && BN_cmp(RSA_get0_d(rsa1), RSA_get0_d(rsa2)) == 0;
return ok;
}
static int rsa_import(void *keydata, int selection, const OSSL_PARAM params[])
{
RSA *rsa = keydata;
+ int rsa_type;
int ok = 1;
- if (rsa == NULL)
+ if (!ossl_prov_is_running() || rsa == NULL)
+ return 0;
+
+ if ((selection & RSA_POSSIBLE_SELECTIONS) == 0)
return 0;
- /* TODO(3.0) PSS and OAEP should bring on parameters */
+ rsa_type = RSA_test_flags(rsa, RSA_FLAG_TYPE_MASK);
+
+ /* TODO(3.0) OAEP should bring on parameters as well */
+ if ((selection & OSSL_KEYMGMT_SELECT_OTHER_PARAMETERS) != 0)
+ ok = ok && pss_params_fromdata(ossl_rsa_get0_pss_params_30(rsa), params,
+ rsa_type, ossl_rsa_get0_libctx(rsa));
if ((selection & OSSL_KEYMGMT_SELECT_KEYPAIR) != 0)
- ok = ok && params_to_key(rsa, params);
+ ok = ok && ossl_rsa_fromdata(rsa, params);
return ok;
}
OSSL_CALLBACK *param_callback, void *cbarg)
{
RSA *rsa = keydata;
- OSSL_PARAM_BLD tmpl;
+ const RSA_PSS_PARAMS_30 *pss_params = ossl_rsa_get0_pss_params_30(rsa);
+ OSSL_PARAM_BLD *tmpl;
OSSL_PARAM *params = NULL;
int ok = 1;
- if (rsa == NULL)
+ if (!ossl_prov_is_running() || rsa == NULL)
return 0;
- /* TODO(3.0) PSS and OAEP should bring on parameters */
+ /* TODO(3.0) 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_OTHER_PARAMETERS) != 0)
+ ok = ok && (ossl_rsa_pss_params_30_is_unrestricted(pss_params)
+ || ossl_rsa_pss_params_30_todata(pss_params, tmpl, NULL));
if ((selection & OSSL_KEYMGMT_SELECT_KEYPAIR) != 0)
- ok = ok && key_to_params(rsa, &tmpl);
+ ok = ok && ossl_rsa_todata(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_MODULE
+/* 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);
static int rsa_get_params(void *key, OSSL_PARAM params[])
{
RSA *rsa = key;
+ const RSA_PSS_PARAMS_30 *pss_params = ossl_rsa_get0_pss_params_30(rsa);
+ int rsa_type = RSA_test_flags(rsa, RSA_FLAG_TYPE_MASK);
OSSL_PARAM *p;
if ((p = OSSL_PARAM_locate(params, OSSL_PKEY_PARAM_BITS)) != NULL
&& !OSSL_PARAM_set_int(p, RSA_size(rsa)))
return 0;
-# if 0 /* PSS support pending */
+ /*
+ * For RSA-PSS keys, we ignore the default digest request
+ * TODO(3.0) with RSA-OAEP keys, this may need to be amended
+ */
+ if ((p = OSSL_PARAM_locate(params, OSSL_PKEY_PARAM_DEFAULT_DIGEST)) != NULL
+ && rsa_type != RSA_FLAG_TYPE_RSASSAPSS) {
+ if (!OSSL_PARAM_set_utf8_string(p, RSA_DEFAULT_MD))
+ return 0;
+ }
+
+ /*
+ * For non-RSA-PSS keys, we ignore the mandatory digest request
+ * TODO(3.0) with RSA-OAEP keys, this may need to be amended
+ */
if ((p = OSSL_PARAM_locate(params,
OSSL_PKEY_PARAM_MANDATORY_DIGEST)) != NULL
- && RSA_get0_pss_params(rsa) != NULL) {
- const EVP_MD *md, *mgf1md;
- int min_saltlen;
+ && rsa_type == RSA_FLAG_TYPE_RSASSAPSS) {
+ const char *mdname = RSA_PSS_DEFAULT_MD;
- if (!rsa_pss_get_param(RSA_get0_pss_params(rsa),
- &md, &mgf1md, &min_saltlen)) {
- ERR_raise(ERR_LIB_PROV, ERR_R_INTERNAL_ERROR);
- return 0;
+ if (!ossl_rsa_pss_params_30_is_unrestricted(pss_params)) {
+ mdname =
+ ossl_rsa_oaeppss_nid2name(ossl_rsa_pss_params_30_hashalg(pss_params));
+
+ if (mdname == NULL || !OSSL_PARAM_set_utf8_string(p, mdname))
+ return 0;
}
- if (!OSSL_PARAM_set_utf8_string(p, EVP_MD_name(md)))
- return 0;
}
-#endif
- if ((p = OSSL_PARAM_locate(params, OSSL_PKEY_PARAM_DEFAULT_DIGEST)) != NULL
- && RSA_get0_pss_params(rsa) == NULL)
- if (!OSSL_PARAM_set_utf8_string(p, RSA_DEFAULT_MD))
- return 0;
-
- return 1;
+ return (rsa_type != RSA_FLAG_TYPE_RSASSAPSS
+ || ossl_rsa_pss_params_30_todata(pss_params, NULL, params))
+ && ossl_rsa_todata(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
};
-static const OSSL_PARAM *rsa_gettable_params(void)
+static const OSSL_PARAM *rsa_gettable_params(void *provctx)
{
return rsa_params;
}
RSA *rsa = keydata;
int ok = 0;
+ if (!ossl_prov_is_running())
+ return 0;
+
if ((selection & RSA_POSSIBLE_SELECTIONS) != 0)
ok = 1;
/* If the whole key is selected, we do a pairwise validation */
if ((selection & OSSL_KEYMGMT_SELECT_KEYPAIR)
== OSSL_KEYMGMT_SELECT_KEYPAIR) {
- ok = ok && rsa_validate_pairwise(rsa);
+ ok = ok && ossl_rsa_validate_pairwise(rsa);
} else {
if ((selection & OSSL_KEYMGMT_SELECT_PRIVATE_KEY) != 0)
- ok = ok && rsa_validate_private(rsa);
+ ok = ok && ossl_rsa_validate_private(rsa);
if ((selection & OSSL_KEYMGMT_SELECT_PUBLIC_KEY) != 0)
- ok = ok && rsa_validate_public(rsa);
+ ok = ok && ossl_rsa_validate_public(rsa);
}
return ok;
}
-const OSSL_DISPATCH rsa_keymgmt_functions[] = {
+struct rsa_gen_ctx {
+ OPENSSL_CTX *libctx;
+ const char *propq;
+
+ int rsa_type;
+
+ size_t nbits;
+ BIGNUM *pub_exp;
+ size_t primes;
+
+ /* For PSS */
+ RSA_PSS_PARAMS_30 pss_params;
+
+ /* For generation callback */
+ OSSL_CALLBACK *cb;
+ void *cbarg;
+
+#if defined(FIPS_MODULE) && !defined(OPENSSL_NO_ACVP_TESTS)
+ /* ACVP test parameters */
+ OSSL_PARAM *acvp_test_params;
+#endif
+};
+
+static int rsa_gencb(int p, int n, BN_GENCB *cb)
+{
+ struct rsa_gen_ctx *gctx = BN_GENCB_get_arg(cb);
+ OSSL_PARAM params[] = { OSSL_PARAM_END, OSSL_PARAM_END, OSSL_PARAM_END };
+
+ params[0] = OSSL_PARAM_construct_int(OSSL_GEN_PARAM_POTENTIAL, &p);
+ params[1] = OSSL_PARAM_construct_int(OSSL_GEN_PARAM_ITERATION, &n);
+ return gctx->cb(params, gctx->cbarg);
+}
+
+static void *gen_init(void *provctx, int selection, int rsa_type)
+{
+ OPENSSL_CTX *libctx = PROV_LIBRARY_CONTEXT_OF(provctx);
+ struct rsa_gen_ctx *gctx = NULL;
+
+ if (!ossl_prov_is_running())
+ return NULL;
+
+ if ((selection & OSSL_KEYMGMT_SELECT_KEYPAIR) == 0)
+ return NULL;
+
+ if ((gctx = OPENSSL_zalloc(sizeof(*gctx))) != NULL) {
+ gctx->libctx = libctx;
+ if ((gctx->pub_exp = BN_new()) == NULL
+ || !BN_set_word(gctx->pub_exp, RSA_F4)) {
+ BN_free(gctx->pub_exp);
+ OPENSSL_free(gctx);
+ gctx = NULL;
+ } else {
+ gctx->nbits = 2048;
+ gctx->primes = RSA_DEFAULT_PRIME_NUM;
+ gctx->rsa_type = rsa_type;
+ }
+ }
+ return gctx;
+}
+
+static void *rsa_gen_init(void *provctx, int selection)
+{
+ return gen_init(provctx, selection, RSA_FLAG_TYPE_RSA);
+}
+
+static void *rsapss_gen_init(void *provctx, int selection)
+{
+ return gen_init(provctx, selection, RSA_FLAG_TYPE_RSASSAPSS);
+}
+
+/*
+ * This function is common for all RSA sub-types, to detect possible
+ * misuse, such as PSS parameters being passed when a plain RSA key
+ * is generated.
+ */
+static int rsa_gen_set_params(void *genctx, const OSSL_PARAM params[])
+{
+ struct rsa_gen_ctx *gctx = genctx;
+ const OSSL_PARAM *p;
+
+ if ((p = OSSL_PARAM_locate_const(params, OSSL_PKEY_PARAM_RSA_BITS)) != NULL
+ && !OSSL_PARAM_get_size_t(p, &gctx->nbits))
+ return 0;
+ if ((p = OSSL_PARAM_locate_const(params, OSSL_PKEY_PARAM_RSA_PRIMES)) != NULL
+ && !OSSL_PARAM_get_size_t(p, &gctx->primes))
+ return 0;
+ if ((p = OSSL_PARAM_locate_const(params, OSSL_PKEY_PARAM_RSA_E)) != NULL
+ && !OSSL_PARAM_get_BN(p, &gctx->pub_exp))
+ return 0;
+ /* Only attempt to get PSS parameters when generating an RSA-PSS key */
+ if (gctx->rsa_type == RSA_FLAG_TYPE_RSASSAPSS
+ && !pss_params_fromdata(&gctx->pss_params, params, gctx->rsa_type,
+ gctx->libctx))
+ return 0;
+#if defined(FIPS_MODULE) && !defined(OPENSSL_NO_ACVP_TESTS)
+ /* Any ACVP test related parameters are copied into a params[] */
+ if (!rsa_acvp_test_gen_params_new(&gctx->acvp_test_params, params))
+ return 0;
+#endif
+ return 1;
+}
+
+#define rsa_gen_basic \
+ OSSL_PARAM_size_t(OSSL_PKEY_PARAM_RSA_BITS, NULL), \
+ OSSL_PARAM_size_t(OSSL_PKEY_PARAM_RSA_PRIMES, NULL), \
+ OSSL_PARAM_BN(OSSL_PKEY_PARAM_RSA_E, NULL, 0)
+
+/*
+ * The following must be kept in sync with ossl_rsa_pss_params_30_fromdata()
+ * in crypto/rsa/rsa_backend.c
+ */
+#define rsa_gen_pss \
+ OSSL_PARAM_utf8_string(OSSL_PKEY_PARAM_RSA_DIGEST, NULL, 0), \
+ OSSL_PARAM_utf8_string(OSSL_PKEY_PARAM_RSA_DIGEST_PROPS, NULL, 0), \
+ OSSL_PARAM_utf8_string(OSSL_PKEY_PARAM_RSA_MASKGENFUNC, NULL, 0), \
+ OSSL_PARAM_utf8_string(OSSL_PKEY_PARAM_RSA_MGF1_DIGEST, NULL, 0), \
+ OSSL_PARAM_int(OSSL_PKEY_PARAM_RSA_PSS_SALTLEN, NULL)
+
+static const OSSL_PARAM *rsa_gen_settable_params(void *provctx)
+{
+ static OSSL_PARAM settable[] = {
+ rsa_gen_basic,
+ OSSL_PARAM_END
+ };
+
+ return settable;
+}
+
+static const OSSL_PARAM *rsapss_gen_settable_params(void *provctx)
+{
+ static OSSL_PARAM settable[] = {
+ rsa_gen_basic,
+ rsa_gen_pss,
+ OSSL_PARAM_END
+ };
+
+ return settable;
+}
+
+static void *rsa_gen(void *genctx, OSSL_CALLBACK *osslcb, void *cbarg)
+{
+ struct rsa_gen_ctx *gctx = genctx;
+ RSA *rsa = NULL, *rsa_tmp = NULL;
+ BN_GENCB *gencb = NULL;
+
+ if (!ossl_prov_is_running() || gctx == NULL)
+ return NULL;
+
+ switch (gctx->rsa_type) {
+ case RSA_FLAG_TYPE_RSA:
+ /* For plain RSA keys, PSS parameters must not be set */
+ if (!ossl_rsa_pss_params_30_is_unrestricted(&gctx->pss_params))
+ goto err;
+ break;
+ case RSA_FLAG_TYPE_RSASSAPSS:
+ /*
+ * For plain RSA-PSS keys, PSS parameters may be set but don't have
+ * to, so not check.
+ */
+ break;
+ default:
+ /* Unsupported RSA key sub-type... */
+ return NULL;
+ }
+
+ if ((rsa_tmp = ossl_rsa_new_with_ctx(gctx->libctx)) == NULL)
+ return NULL;
+
+ gctx->cb = osslcb;
+ gctx->cbarg = cbarg;
+ gencb = BN_GENCB_new();
+ if (gencb != NULL)
+ BN_GENCB_set(gencb, rsa_gencb, genctx);
+
+#if defined(FIPS_MODULE) && !defined(OPENSSL_NO_ACVP_TESTS)
+ if (gctx->acvp_test_params != NULL) {
+ if (!rsa_acvp_test_set_params(rsa_tmp, gctx->acvp_test_params))
+ goto err;
+ }
+#endif
+
+ if (!RSA_generate_multi_prime_key(rsa_tmp,
+ (int)gctx->nbits, (int)gctx->primes,
+ gctx->pub_exp, gencb))
+ goto err;
+
+ if (!ossl_rsa_pss_params_30_copy(ossl_rsa_get0_pss_params_30(rsa_tmp),
+ &gctx->pss_params))
+ goto err;
+
+ RSA_clear_flags(rsa_tmp, RSA_FLAG_TYPE_MASK);
+ RSA_set_flags(rsa_tmp, gctx->rsa_type);
+
+ rsa = rsa_tmp;
+ rsa_tmp = NULL;
+ err:
+ BN_GENCB_free(gencb);
+ RSA_free(rsa_tmp);
+ return rsa;
+}
+
+static void rsa_gen_cleanup(void *genctx)
+{
+ struct rsa_gen_ctx *gctx = genctx;
+
+ if (gctx == NULL)
+ return;
+#if defined(FIPS_MODULE) && !defined(OPENSSL_NO_ACVP_TESTS)
+ rsa_acvp_test_gen_params_free(gctx->acvp_test_params);
+ gctx->acvp_test_params = NULL;
+#endif
+ BN_clear_free(gctx->pub_exp);
+ OPENSSL_free(gctx);
+}
+
+void *rsa_load(const void *reference, size_t reference_sz)
+{
+ RSA *rsa = NULL;
+
+ if (ossl_prov_is_running() && reference_sz == sizeof(rsa)) {
+ /* The contents of the reference is the address to our object */
+ rsa = *(RSA **)reference;
+ /* We grabbed, so we detach it */
+ *(RSA **)reference = NULL;
+ return rsa;
+ }
+ return NULL;
+}
+
+/* For any RSA key, we use the "RSA" algorithms regardless of sub-type. */
+static const char *rsa_query_operation_name(int operation_id)
+{
+ return "RSA";
+}
+
+const OSSL_DISPATCH ossl_rsa_keymgmt_functions[] = {
{ OSSL_FUNC_KEYMGMT_NEW, (void (*)(void))rsa_newdata },
+ { OSSL_FUNC_KEYMGMT_GEN_INIT, (void (*)(void))rsa_gen_init },
+ { OSSL_FUNC_KEYMGMT_GEN_SET_PARAMS,
+ (void (*)(void))rsa_gen_set_params },
+ { OSSL_FUNC_KEYMGMT_GEN_SETTABLE_PARAMS,
+ (void (*)(void))rsa_gen_settable_params },
+ { OSSL_FUNC_KEYMGMT_GEN, (void (*)(void))rsa_gen },
+ { OSSL_FUNC_KEYMGMT_GEN_CLEANUP, (void (*)(void))rsa_gen_cleanup },
+ { OSSL_FUNC_KEYMGMT_LOAD, (void (*)(void))rsa_load },
+ { OSSL_FUNC_KEYMGMT_FREE, (void (*)(void))rsa_freedata },
+ { OSSL_FUNC_KEYMGMT_GET_PARAMS, (void (*) (void))rsa_get_params },
+ { OSSL_FUNC_KEYMGMT_GETTABLE_PARAMS, (void (*) (void))rsa_gettable_params },
+ { OSSL_FUNC_KEYMGMT_HAS, (void (*)(void))rsa_has },
+ { OSSL_FUNC_KEYMGMT_MATCH, (void (*)(void))rsa_match },
+ { OSSL_FUNC_KEYMGMT_VALIDATE, (void (*)(void))rsa_validate },
+ { OSSL_FUNC_KEYMGMT_IMPORT, (void (*)(void))rsa_import },
+ { OSSL_FUNC_KEYMGMT_IMPORT_TYPES, (void (*)(void))rsa_import_types },
+ { OSSL_FUNC_KEYMGMT_EXPORT, (void (*)(void))rsa_export },
+ { OSSL_FUNC_KEYMGMT_EXPORT_TYPES, (void (*)(void))rsa_export_types },
+ { 0, NULL }
+};
+
+const OSSL_DISPATCH ossl_rsapss_keymgmt_functions[] = {
+ { OSSL_FUNC_KEYMGMT_NEW, (void (*)(void))rsapss_newdata },
+ { OSSL_FUNC_KEYMGMT_GEN_INIT, (void (*)(void))rsapss_gen_init },
+ { OSSL_FUNC_KEYMGMT_GEN_SET_PARAMS, (void (*)(void))rsa_gen_set_params },
+ { OSSL_FUNC_KEYMGMT_GEN_SETTABLE_PARAMS,
+ (void (*)(void))rsapss_gen_settable_params },
+ { OSSL_FUNC_KEYMGMT_GEN, (void (*)(void))rsa_gen },
+ { OSSL_FUNC_KEYMGMT_GEN_CLEANUP, (void (*)(void))rsa_gen_cleanup },
+ { OSSL_FUNC_KEYMGMT_LOAD, (void (*)(void))rsa_load },
{ OSSL_FUNC_KEYMGMT_FREE, (void (*)(void))rsa_freedata },
{ OSSL_FUNC_KEYMGMT_GET_PARAMS, (void (*) (void))rsa_get_params },
{ OSSL_FUNC_KEYMGMT_GETTABLE_PARAMS, (void (*) (void))rsa_gettable_params },
{ OSSL_FUNC_KEYMGMT_HAS, (void (*)(void))rsa_has },
+ { OSSL_FUNC_KEYMGMT_MATCH, (void (*)(void))rsa_match },
{ OSSL_FUNC_KEYMGMT_VALIDATE, (void (*)(void))rsa_validate },
{ OSSL_FUNC_KEYMGMT_IMPORT, (void (*)(void))rsa_import },
{ OSSL_FUNC_KEYMGMT_IMPORT_TYPES, (void (*)(void))rsa_import_types },
{ OSSL_FUNC_KEYMGMT_EXPORT, (void (*)(void))rsa_export },
{ OSSL_FUNC_KEYMGMT_EXPORT_TYPES, (void (*)(void))rsa_export_types },
+ { OSSL_FUNC_KEYMGMT_QUERY_OPERATION_NAME,
+ (void (*)(void))rsa_query_operation_name },
{ 0, NULL }
};
projects / openssl.git / blobdiff