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openssl/providers/implementations/encode_decode/encode_key2text.c

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/*
* Copyright 2020-2021 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
* in the file LICENSE in the source distribution or at
* https://www.openssl.org/source/license.html
*/
/*
* Low level APIs are deprecated for public use, but still ok for internal use.
*/
#include "internal/deprecated.h"
#include <ctype.h>
#include <openssl/core.h>
#include <openssl/core_dispatch.h>
#include <openssl/core_names.h>
#include <openssl/bn.h>
#include <openssl/err.h>
#include <openssl/safestack.h>
#include <openssl/proverr.h>
#include "internal/ffc.h"
#include "crypto/bn.h" /* bn_get_words() */
#include "crypto/dh.h" /* ossl_dh_get0_params() */
#include "crypto/dsa.h" /* ossl_dsa_get0_params() */
#include "crypto/ec.h" /* ossl_ec_key_get_libctx */
#include "crypto/ecx.h" /* ECX_KEY, etc... */
#include "crypto/rsa.h" /* RSA_PSS_PARAMS_30, etc... */
#include "prov/bio.h"
#include "prov/implementations.h"
#include "endecoder_local.h"
DEFINE_SPECIAL_STACK_OF_CONST(BIGNUM_const, BIGNUM)
# ifdef SIXTY_FOUR_BIT_LONG
# define BN_FMTu "%lu"
# define BN_FMTx "%lx"
# endif
# ifdef SIXTY_FOUR_BIT
# define BN_FMTu "%llu"
# define BN_FMTx "%llx"
# endif
# ifdef THIRTY_TWO_BIT
# define BN_FMTu "%u"
# define BN_FMTx "%x"
# endif
static int print_labeled_bignum(BIO *out, const char *label, const BIGNUM *bn)
{
int ret = 0, use_sep = 0;
char *hex_str = NULL, *p;
const char spaces[] = " ";
const char *post_label_spc = " ";
const char *neg = "";
int bytes;
if (bn == NULL)
return 0;
if (label == NULL) {
label = "";
post_label_spc = "";
}
if (BN_is_zero(bn))
return BIO_printf(out, "%s%s0\n", label, post_label_spc);
if (BN_num_bytes(bn) <= BN_BYTES) {
BN_ULONG *words = bn_get_words(bn);
if (BN_is_negative(bn))
neg = "-";
return BIO_printf(out, "%s%s%s" BN_FMTu " (%s0x" BN_FMTx ")\n",
label, post_label_spc, neg, words[0], neg, words[0]);
}
hex_str = BN_bn2hex(bn);
if (hex_str == NULL)
return 0;
p = hex_str;
if (*p == '-') {
++p;
neg = " (Negative)";
}
if (BIO_printf(out, "%s%s\n", label, neg) <= 0)
goto err;
/* Keep track of how many bytes we have printed out so far */
bytes = 0;
if (BIO_printf(out, "%s", spaces) <= 0)
goto err;
/* Add a leading 00 if the top bit is set */
if (*p >= '8') {
if (BIO_printf(out, "%02x", 0) <= 0)
goto err;
++bytes;
use_sep = 1;
}
while (*p != '\0') {
/* Do a newline after every 15 hex bytes + add the space indent */
if ((bytes % 15) == 0 && bytes > 0) {
if (BIO_printf(out, ":\n%s", spaces) <= 0)
goto err;
use_sep = 0; /* The first byte on the next line doesnt have a : */
}
if (BIO_printf(out, "%s%c%c", use_sep ? ":" : "",
tolower(p[0]), tolower(p[1])) <= 0)
goto err;
++bytes;
p += 2;
use_sep = 1;
}
if (BIO_printf(out, "\n") <= 0)
goto err;
ret = 1;
err:
OPENSSL_free(hex_str);
return ret;
}
/* Number of octets per line */
#define LABELED_BUF_PRINT_WIDTH 15
#if !defined(OPENSSL_NO_DH) || !defined(OPENSSL_NO_DSA) || !defined(OPENSSL_NO_EC)
static int print_labeled_buf(BIO *out, const char *label,
const unsigned char *buf, size_t buflen)
{
size_t i;
if (BIO_printf(out, "%s\n", label) <= 0)
return 0;
for (i = 0; i < buflen; i++) {
if ((i % LABELED_BUF_PRINT_WIDTH) == 0) {
if (i > 0 && BIO_printf(out, "\n") <= 0)
return 0;
if (BIO_printf(out, " ") <= 0)
return 0;
}
if (BIO_printf(out, "%02x%s", buf[i],
(i == buflen - 1) ? "" : ":") <= 0)
return 0;
}
if (BIO_printf(out, "\n") <= 0)
return 0;
return 1;
}
#endif
#if !defined(OPENSSL_NO_DH) || !defined(OPENSSL_NO_DSA)
static int ffc_params_to_text(BIO *out, const FFC_PARAMS *ffc)
{
if (ffc->nid != NID_undef) {
#ifndef OPENSSL_NO_DH
const DH_NAMED_GROUP *group = ossl_ffc_uid_to_dh_named_group(ffc->nid);
const char *name = ossl_ffc_named_group_get_name(group);
if (name == NULL)
goto err;
if (BIO_printf(out, "GROUP: %s\n", name) <= 0)
goto err;
return 1;
#else
/* How could this be? We should not have a nid in a no-dh build. */
goto err;
#endif
}
if (!print_labeled_bignum(out, "P: ", ffc->p))
goto err;
if (ffc->q != NULL) {
if (!print_labeled_bignum(out, "Q: ", ffc->q))
goto err;
}
if (!print_labeled_bignum(out, "G: ", ffc->g))
goto err;
if (ffc->j != NULL) {
if (!print_labeled_bignum(out, "J: ", ffc->j))
goto err;
}
if (ffc->seed != NULL) {
if (!print_labeled_buf(out, "SEED:", ffc->seed, ffc->seedlen))
goto err;
}
if (ffc->gindex != -1) {
if (BIO_printf(out, "gindex: %d\n", ffc->gindex) <= 0)
goto err;
}
if (ffc->pcounter != -1) {
if (BIO_printf(out, "pcounter: %d\n", ffc->pcounter) <= 0)
goto err;
}
if (ffc->h != 0) {
if (BIO_printf(out, "h: %d\n", ffc->h) <= 0)
goto err;
}
return 1;
err:
return 0;
}
#endif
/* ---------------------------------------------------------------------- */
#ifndef OPENSSL_NO_DH
static int dh_to_text(BIO *out, const void *key, int selection)
{
const DH *dh = key;
const char *type_label = NULL;
const BIGNUM *priv_key = NULL, *pub_key = NULL;
const FFC_PARAMS *params = NULL;
const BIGNUM *p = NULL;
if (out == NULL || dh == NULL) {
ERR_raise(ERR_LIB_PROV, ERR_R_PASSED_NULL_PARAMETER);
return 0;
}
if ((selection & OSSL_KEYMGMT_SELECT_PRIVATE_KEY) != 0)
type_label = "DH Private-Key";
else if ((selection & OSSL_KEYMGMT_SELECT_PUBLIC_KEY) != 0)
type_label = "DH Public-Key";
else if ((selection & OSSL_KEYMGMT_SELECT_DOMAIN_PARAMETERS) != 0)
type_label = "DH Parameters";
if ((selection & OSSL_KEYMGMT_SELECT_PRIVATE_KEY) != 0) {
priv_key = DH_get0_priv_key(dh);
if (priv_key == NULL) {
ERR_raise(ERR_LIB_PROV, PROV_R_NOT_A_PRIVATE_KEY);
return 0;
}
}
if ((selection & OSSL_KEYMGMT_SELECT_PUBLIC_KEY) != 0) {
pub_key = DH_get0_pub_key(dh);
if (pub_key == NULL) {
ERR_raise(ERR_LIB_PROV, PROV_R_NOT_A_PUBLIC_KEY);
return 0;
}
}
if ((selection & OSSL_KEYMGMT_SELECT_DOMAIN_PARAMETERS) != 0) {
params = ossl_dh_get0_params((DH *)dh);
if (params == NULL) {
ERR_raise(ERR_LIB_PROV, PROV_R_NOT_PARAMETERS);
return 0;
}
}
p = DH_get0_p(dh);
if (p == NULL) {
ERR_raise(ERR_LIB_PROV, PROV_R_INVALID_KEY);
return 0;
}
if (BIO_printf(out, "%s: (%d bit)\n", type_label, BN_num_bits(p)) <= 0)
return 0;
if (priv_key != NULL
&& !print_labeled_bignum(out, "private-key:", priv_key))
return 0;
if (pub_key != NULL
&& !print_labeled_bignum(out, "public-key:", pub_key))
return 0;
if (params != NULL
&& !ffc_params_to_text(out, params))
return 0;
return 1;
}
# define dh_input_type "DH"
# define dhx_input_type "DHX"
#endif
/* ---------------------------------------------------------------------- */
#ifndef OPENSSL_NO_DSA
static int dsa_to_text(BIO *out, const void *key, int selection)
{
const DSA *dsa = key;
const char *type_label = NULL;
const BIGNUM *priv_key = NULL, *pub_key = NULL;
const FFC_PARAMS *params = NULL;
const BIGNUM *p = NULL;
if (out == NULL || dsa == NULL) {
ERR_raise(ERR_LIB_PROV, ERR_R_PASSED_NULL_PARAMETER);
return 0;
}
if ((selection & OSSL_KEYMGMT_SELECT_PRIVATE_KEY) != 0)
type_label = "Private-Key";
else if ((selection & OSSL_KEYMGMT_SELECT_PUBLIC_KEY) != 0)
type_label = "Public-Key";
else if ((selection & OSSL_KEYMGMT_SELECT_DOMAIN_PARAMETERS) != 0)
type_label = "DSA-Parameters";
if ((selection & OSSL_KEYMGMT_SELECT_PRIVATE_KEY) != 0) {
priv_key = DSA_get0_priv_key(dsa);
if (priv_key == NULL) {
ERR_raise(ERR_LIB_PROV, PROV_R_NOT_A_PRIVATE_KEY);
return 0;
}
}
if ((selection & OSSL_KEYMGMT_SELECT_PUBLIC_KEY) != 0) {
pub_key = DSA_get0_pub_key(dsa);
if (pub_key == NULL) {
ERR_raise(ERR_LIB_PROV, PROV_R_NOT_A_PUBLIC_KEY);
return 0;
}
}
if ((selection & OSSL_KEYMGMT_SELECT_DOMAIN_PARAMETERS) != 0) {
params = ossl_dsa_get0_params((DSA *)dsa);
if (params == NULL) {
ERR_raise(ERR_LIB_PROV, PROV_R_NOT_PARAMETERS);
return 0;
}
}
p = DSA_get0_p(dsa);
if (p == NULL) {
ERR_raise(ERR_LIB_PROV, PROV_R_INVALID_KEY);
return 0;
}
if (BIO_printf(out, "%s: (%d bit)\n", type_label, BN_num_bits(p)) <= 0)
return 0;
if (priv_key != NULL
&& !print_labeled_bignum(out, "priv:", priv_key))
return 0;
if (pub_key != NULL
&& !print_labeled_bignum(out, "pub: ", pub_key))
return 0;
if (params != NULL
&& !ffc_params_to_text(out, params))
return 0;
return 1;
}
# define dsa_input_type "DSA"
#endif
/* ---------------------------------------------------------------------- */
#ifndef OPENSSL_NO_EC
static int ec_param_explicit_curve_to_text(BIO *out, const EC_GROUP *group,
BN_CTX *ctx)
{
const char *plabel = "Prime:";
BIGNUM *p = NULL, *a = NULL, *b = NULL;
p = BN_CTX_get(ctx);
a = BN_CTX_get(ctx);
b = BN_CTX_get(ctx);
if (b == NULL
|| !EC_GROUP_get_curve(group, p, a, b, ctx))
return 0;
if (EC_GROUP_get_field_type(group) == NID_X9_62_characteristic_two_field) {
int basis_type = EC_GROUP_get_basis_type(group);
/* print the 'short name' of the base type OID */
if (basis_type == NID_undef
|| BIO_printf(out, "Basis Type: %s\n", OBJ_nid2sn(basis_type)) <= 0)
return 0;
plabel = "Polynomial:";
}
return print_labeled_bignum(out, plabel, p)
&& print_labeled_bignum(out, "A: ", a)
&& print_labeled_bignum(out, "B: ", b);
}
static int ec_param_explicit_gen_to_text(BIO *out, const EC_GROUP *group,
BN_CTX *ctx)
{
int ret;
size_t buflen;
point_conversion_form_t form;
const EC_POINT *point = NULL;
const char *glabel = NULL;
unsigned char *buf = NULL;
form = EC_GROUP_get_point_conversion_form(group);
point = EC_GROUP_get0_generator(group);
if (point == NULL)
return 0;
switch (form) {
case POINT_CONVERSION_COMPRESSED:
glabel = "Generator (compressed):";
break;
case POINT_CONVERSION_UNCOMPRESSED:
glabel = "Generator (uncompressed):";
break;
case POINT_CONVERSION_HYBRID:
glabel = "Generator (hybrid):";
break;
default:
return 0;
}
buflen = EC_POINT_point2buf(group, point, form, &buf, ctx);
if (buflen == 0)
return 0;
ret = print_labeled_buf(out, glabel, buf, buflen);
OPENSSL_clear_free(buf, buflen);
return ret;
}
/* Print explicit parameters */
static int ec_param_explicit_to_text(BIO *out, const EC_GROUP *group,
OSSL_LIB_CTX *libctx)
{
int ret = 0, tmp_nid;
BN_CTX *ctx = NULL;
const BIGNUM *order = NULL, *cofactor = NULL;
const unsigned char *seed;
size_t seed_len = 0;
ctx = BN_CTX_new_ex(libctx);
if (ctx == NULL)
return 0;
BN_CTX_start(ctx);
tmp_nid = EC_GROUP_get_field_type(group);
order = EC_GROUP_get0_order(group);
if (order == NULL)
goto err;
seed = EC_GROUP_get0_seed(group);
if (seed != NULL)
seed_len = EC_GROUP_get_seed_len(group);
cofactor = EC_GROUP_get0_cofactor(group);
/* print the 'short name' of the field type */
if (BIO_printf(out, "Field Type: %s\n", OBJ_nid2sn(tmp_nid)) <= 0
|| !ec_param_explicit_curve_to_text(out, group, ctx)
|| !ec_param_explicit_gen_to_text(out, group, ctx)
|| !print_labeled_bignum(out, "Order: ", order)
|| (cofactor != NULL
&& !print_labeled_bignum(out, "Cofactor: ", cofactor))
|| (seed != NULL
&& !print_labeled_buf(out, "Seed:", seed, seed_len)))
goto err;
ret = 1;
err:
BN_CTX_end(ctx);
BN_CTX_free(ctx);
return ret;
}
static int ec_param_to_text(BIO *out, const EC_GROUP *group,
OSSL_LIB_CTX *libctx)
{
if (EC_GROUP_get_asn1_flag(group) & OPENSSL_EC_NAMED_CURVE) {
const char *curve_name;
int curve_nid = EC_GROUP_get_curve_name(group);
/* Explicit parameters */
if (curve_nid == NID_undef)
return 0;
if (BIO_printf(out, "%s: %s\n", "ASN1 OID", OBJ_nid2sn(curve_nid)) <= 0)
return 0;
curve_name = EC_curve_nid2nist(curve_nid);
return (curve_name == NULL
|| BIO_printf(out, "%s: %s\n", "NIST CURVE", curve_name) > 0);
} else {
return ec_param_explicit_to_text(out, group, libctx);
}
}
static int ec_to_text(BIO *out, const void *key, int selection)
{
const EC_KEY *ec = key;
const char *type_label = NULL;
unsigned char *priv = NULL, *pub = NULL;
size_t priv_len = 0, pub_len = 0;
const EC_GROUP *group;
int ret = 0;
if (out == NULL || ec == NULL) {
ERR_raise(ERR_LIB_PROV, ERR_R_PASSED_NULL_PARAMETER);
return 0;
}
if ((group = EC_KEY_get0_group(ec)) == NULL) {
ERR_raise(ERR_LIB_PROV, PROV_R_INVALID_KEY);
return 0;
}
if ((selection & OSSL_KEYMGMT_SELECT_PRIVATE_KEY) != 0)
type_label = "Private-Key";
else if ((selection & OSSL_KEYMGMT_SELECT_PUBLIC_KEY) != 0)
type_label = "Public-Key";
else if ((selection & OSSL_KEYMGMT_SELECT_DOMAIN_PARAMETERS) != 0)
type_label = "EC-Parameters";
if ((selection & OSSL_KEYMGMT_SELECT_PRIVATE_KEY) != 0) {
const BIGNUM *priv_key = EC_KEY_get0_private_key(ec);
if (priv_key == NULL) {
ERR_raise(ERR_LIB_PROV, PROV_R_NOT_A_PRIVATE_KEY);
goto err;
}
priv_len = EC_KEY_priv2buf(ec, &priv);
if (priv_len == 0)
goto err;
}
if ((selection & OSSL_KEYMGMT_SELECT_PUBLIC_KEY) != 0) {
const EC_POINT *pub_pt = EC_KEY_get0_public_key(ec);
if (pub_pt == NULL) {
ERR_raise(ERR_LIB_PROV, PROV_R_NOT_A_PUBLIC_KEY);
goto err;
}
pub_len = EC_KEY_key2buf(ec, EC_KEY_get_conv_form(ec), &pub, NULL);
if (pub_len == 0)
goto err;
}
if (BIO_printf(out, "%s: (%d bit)\n", type_label,
EC_GROUP_order_bits(group)) <= 0)
goto err;
if (priv != NULL
&& !print_labeled_buf(out, "priv:", priv, priv_len))
goto err;
if (pub != NULL
&& !print_labeled_buf(out, "pub:", pub, pub_len))
goto err;
if ((selection & OSSL_KEYMGMT_SELECT_DOMAIN_PARAMETERS) != 0)
ret = ec_param_to_text(out, group, ossl_ec_key_get_libctx(ec));
err:
OPENSSL_clear_free(priv, priv_len);
OPENSSL_free(pub);
return ret;
}
# define ec_input_type "EC"
# ifndef OPENSSL_NO_SM2
# define sm2_input_type "SM2"
# endif
#endif
/* ---------------------------------------------------------------------- */
#ifndef OPENSSL_NO_EC
static int ecx_to_text(BIO *out, const void *key, int selection)
{
const ECX_KEY *ecx = key;
const char *type_label = NULL;
if (out == NULL || ecx == NULL) {
ERR_raise(ERR_LIB_PROV, ERR_R_PASSED_NULL_PARAMETER);
return 0;
}
if ((selection & OSSL_KEYMGMT_SELECT_PRIVATE_KEY) != 0) {
if (ecx->privkey == NULL) {
ERR_raise(ERR_LIB_PROV, PROV_R_NOT_A_PRIVATE_KEY);
return 0;
}
switch (ecx->type) {
case ECX_KEY_TYPE_X25519:
type_label = "X25519 Private-Key";
break;
case ECX_KEY_TYPE_X448:
type_label = "X448 Private-Key";
break;
case ECX_KEY_TYPE_ED25519:
type_label = "ED25519 Private-Key";
break;
case ECX_KEY_TYPE_ED448:
type_label = "ED448 Private-Key";
break;
}
} else if ((selection & OSSL_KEYMGMT_SELECT_PUBLIC_KEY) != 0) {
/* ecx->pubkey is an array, not a pointer... */
if (!ecx->haspubkey) {
ERR_raise(ERR_LIB_PROV, PROV_R_NOT_A_PUBLIC_KEY);
return 0;
}
switch (ecx->type) {
case ECX_KEY_TYPE_X25519:
type_label = "X25519 Public-Key";
break;
case ECX_KEY_TYPE_X448:
type_label = "X448 Public-Key";
break;
case ECX_KEY_TYPE_ED25519:
type_label = "ED25519 Public-Key";
break;
case ECX_KEY_TYPE_ED448:
type_label = "ED448 Public-Key";
break;
}
}
if (BIO_printf(out, "%s:\n", type_label) <= 0)
return 0;
if ((selection & OSSL_KEYMGMT_SELECT_PRIVATE_KEY) != 0
&& !print_labeled_buf(out, "priv:", ecx->privkey, ecx->keylen))
return 0;
if ((selection & OSSL_KEYMGMT_SELECT_PUBLIC_KEY) != 0
&& !print_labeled_buf(out, "pub:", ecx->pubkey, ecx->keylen))
return 0;
return 1;
}
# define ed25519_input_type "ED25519"
# define ed448_input_type "ED448"
# define x25519_input_type "X25519"
# define x448_input_type "X448"
#endif
/* ---------------------------------------------------------------------- */
static int rsa_to_text(BIO *out, const void *key, int selection)
{
const RSA *rsa = key;
const char *type_label = "RSA key";
const char *modulus_label = NULL;
const char *exponent_label = NULL;
const BIGNUM *rsa_d = NULL, *rsa_n = NULL, *rsa_e = NULL;
STACK_OF(BIGNUM_const) *factors = NULL;
STACK_OF(BIGNUM_const) *exps = NULL;
STACK_OF(BIGNUM_const) *coeffs = NULL;
int primes;
const RSA_PSS_PARAMS_30 *pss_params = ossl_rsa_get0_pss_params_30((RSA *)rsa);
int ret = 0;
if (out == NULL || rsa == NULL) {
ERR_raise(ERR_LIB_PROV, ERR_R_PASSED_NULL_PARAMETER);
goto err;
}
factors = sk_BIGNUM_const_new_null();
exps = sk_BIGNUM_const_new_null();
coeffs = sk_BIGNUM_const_new_null();
if (factors == NULL || exps == NULL || coeffs == NULL) {
ERR_raise(ERR_LIB_PROV, ERR_R_MALLOC_FAILURE);
goto err;
}
if ((selection & OSSL_KEYMGMT_SELECT_PRIVATE_KEY) != 0) {
type_label = "Private-Key";
modulus_label = "modulus:";
exponent_label = "publicExponent:";
} else if ((selection & OSSL_KEYMGMT_SELECT_PUBLIC_KEY) != 0) {
type_label = "Public-Key";
modulus_label = "Modulus:";
exponent_label = "Exponent:";
}
RSA_get0_key(rsa, &rsa_n, &rsa_e, &rsa_d);
ossl_rsa_get0_all_params((RSA *)rsa, factors, exps, coeffs);
primes = sk_BIGNUM_const_num(factors);
if ((selection & OSSL_KEYMGMT_SELECT_PRIVATE_KEY) != 0) {
if (BIO_printf(out, "%s: (%d bit, %d primes)\n",
type_label, BN_num_bits(rsa_n), primes) <= 0)
goto err;
} else {
if (BIO_printf(out, "%s: (%d bit)\n",
type_label, BN_num_bits(rsa_n)) <= 0)
goto err;
}
if (!print_labeled_bignum(out, modulus_label, rsa_n))
goto err;
if (!print_labeled_bignum(out, exponent_label, rsa_e))
goto err;
if ((selection & OSSL_KEYMGMT_SELECT_PRIVATE_KEY) != 0) {
int i;
if (!print_labeled_bignum(out, "privateExponent:", rsa_d))
goto err;
if (!print_labeled_bignum(out, "prime1:",
sk_BIGNUM_const_value(factors, 0)))
goto err;
if (!print_labeled_bignum(out, "prime2:",
sk_BIGNUM_const_value(factors, 1)))
goto err;
if (!print_labeled_bignum(out, "exponent1:",
sk_BIGNUM_const_value(exps, 0)))
goto err;
if (!print_labeled_bignum(out, "exponent2:",
sk_BIGNUM_const_value(exps, 1)))
goto err;
if (!print_labeled_bignum(out, "coefficient:",
sk_BIGNUM_const_value(coeffs, 0)))
goto err;
for (i = 2; i < sk_BIGNUM_const_num(factors); i++) {
if (BIO_printf(out, "prime%d:", i + 1) <= 0)
goto err;
if (!print_labeled_bignum(out, NULL,
sk_BIGNUM_const_value(factors, i)))
goto err;
if (BIO_printf(out, "exponent%d:", i + 1) <= 0)
goto err;
if (!print_labeled_bignum(out, NULL,
sk_BIGNUM_const_value(exps, i)))
goto err;
if (BIO_printf(out, "coefficient%d:", i + 1) <= 0)
goto err;
if (!print_labeled_bignum(out, NULL,
sk_BIGNUM_const_value(coeffs, i - 1)))
goto err;
}
}
if ((selection & OSSL_KEYMGMT_SELECT_OTHER_PARAMETERS) != 0) {
switch (RSA_test_flags(rsa, RSA_FLAG_TYPE_MASK)) {
case RSA_FLAG_TYPE_RSA:
if (!ossl_rsa_pss_params_30_is_unrestricted(pss_params)) {
if (BIO_printf(out, "(INVALID PSS PARAMETERS)\n") <= 0)
goto err;
}
break;
case RSA_FLAG_TYPE_RSASSAPSS:
if (ossl_rsa_pss_params_30_is_unrestricted(pss_params)) {
if (BIO_printf(out, "No PSS parameter restrictions\n") <= 0)
goto err;
} else {
int hashalg_nid = ossl_rsa_pss_params_30_hashalg(pss_params);
int maskgenalg_nid =
ossl_rsa_pss_params_30_maskgenalg(pss_params);
int maskgenhashalg_nid =
ossl_rsa_pss_params_30_maskgenhashalg(pss_params);
int saltlen = ossl_rsa_pss_params_30_saltlen(pss_params);
int trailerfield =
ossl_rsa_pss_params_30_trailerfield(pss_params);
if (BIO_printf(out, "PSS parameter restrictions:\n") <= 0)
goto err;
if (BIO_printf(out, " Hash Algorithm: %s%s\n",
ossl_rsa_oaeppss_nid2name(hashalg_nid),
(hashalg_nid == NID_sha1
? " (default)" : "")) <= 0)
goto err;
if (BIO_printf(out, " Mask Algorithm: %s with %s%s\n",
ossl_rsa_mgf_nid2name(maskgenalg_nid),
ossl_rsa_oaeppss_nid2name(maskgenhashalg_nid),
(maskgenalg_nid == NID_mgf1
&& maskgenhashalg_nid == NID_sha1
? " (default)" : "")) <= 0)
goto err;
if (BIO_printf(out, " Minimum Salt Length: %d%s\n",
saltlen,
(saltlen == 20 ? " (default)" : "")) <= 0)
goto err;
if (BIO_printf(out, " Trailer Field: 0x%x%s\n",
trailerfield,
(trailerfield == 1 ? " (default)" : "")) <= 0)
goto err;
}
break;
}
}
ret = 1;
err:
sk_BIGNUM_const_free(factors);
sk_BIGNUM_const_free(exps);
sk_BIGNUM_const_free(coeffs);
return ret;
}
#define rsa_input_type "RSA"
#define rsapss_input_type "RSA-PSS"
/* ---------------------------------------------------------------------- */
static void *key2text_newctx(void *provctx)
{
return provctx;
}
static void key2text_freectx(ossl_unused void *vctx)
{
}
static int key2text_encode(void *vctx, const void *key, int selection,
OSSL_CORE_BIO *cout,
int (*key2text)(BIO *out, const void *key,
int selection),
OSSL_PASSPHRASE_CALLBACK *cb, void *cbarg)
{
BIO *out = ossl_bio_new_from_core_bio(vctx, cout);
int ret;
if (out == NULL)
return 0;
ret = key2text(out, key, selection);
BIO_free(out);
return ret;
}
#define MAKE_TEXT_ENCODER(impl, type) \
static OSSL_FUNC_encoder_import_object_fn \
impl##2text_import_object; \
static OSSL_FUNC_encoder_free_object_fn \
impl##2text_free_object; \
static OSSL_FUNC_encoder_encode_fn impl##2text_encode; \
\
static void *impl##2text_import_object(void *ctx, int selection, \
const OSSL_PARAM params[]) \
{ \
return ossl_prov_import_key(ossl_##impl##_keymgmt_functions, \
ctx, selection, params); \
} \
static void impl##2text_free_object(void *key) \
{ \
ossl_prov_free_key(ossl_##impl##_keymgmt_functions, key); \
} \
static int impl##2text_encode(void *vctx, OSSL_CORE_BIO *cout, \
const void *key, \
const OSSL_PARAM key_abstract[], \
int selection, \
OSSL_PASSPHRASE_CALLBACK *cb, \
void *cbarg) \
{ \
/* We don't deal with abstract objects */ \
if (key_abstract != NULL) { \
ERR_raise(ERR_LIB_PROV, ERR_R_PASSED_INVALID_ARGUMENT); \
return 0; \
} \
return key2text_encode(vctx, key, selection, cout, \
type##_to_text, cb, cbarg); \
} \
const OSSL_DISPATCH ossl_##impl##_to_text_encoder_functions[] = { \
{ OSSL_FUNC_ENCODER_NEWCTX, \
(void (*)(void))key2text_newctx }, \
{ OSSL_FUNC_ENCODER_FREECTX, \
(void (*)(void))key2text_freectx }, \
{ OSSL_FUNC_ENCODER_IMPORT_OBJECT, \
(void (*)(void))impl##2text_import_object }, \
{ OSSL_FUNC_ENCODER_FREE_OBJECT, \
(void (*)(void))impl##2text_free_object }, \
{ OSSL_FUNC_ENCODER_ENCODE, \
(void (*)(void))impl##2text_encode }, \
{ 0, NULL } \
}
#ifndef OPENSSL_NO_DH
MAKE_TEXT_ENCODER(dh, dh);
MAKE_TEXT_ENCODER(dhx, dh);
#endif
#ifndef OPENSSL_NO_DSA
MAKE_TEXT_ENCODER(dsa, dsa);
#endif
#ifndef OPENSSL_NO_EC
MAKE_TEXT_ENCODER(ec, ec);
# ifndef OPENSSL_NO_SM2
MAKE_TEXT_ENCODER(sm2, ec);
# endif
MAKE_TEXT_ENCODER(ed25519, ecx);
MAKE_TEXT_ENCODER(ed448, ecx);
MAKE_TEXT_ENCODER(x25519, ecx);
MAKE_TEXT_ENCODER(x448, ecx);
#endif
MAKE_TEXT_ENCODER(rsa, rsa);
MAKE_TEXT_ENCODER(rsapss, rsa);
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