/* * Copyright 2020-2024 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 #include #include #include #include #include #include #include #include #include /* PKCS8_encrypt() */ #include #include #include #include #include "internal/passphrase.h" #include "internal/cryptlib.h" #include "crypto/ecx.h" #include "crypto/rsa.h" #include "prov/implementations.h" #include "prov/bio.h" #include "prov/provider_ctx.h" #include "prov/der_rsa.h" #include "endecoder_local.h" #if defined(OPENSSL_NO_DH) && defined(OPENSSL_NO_DSA) && defined(OPENSSL_NO_EC) # define OPENSSL_NO_KEYPARAMS #endif struct key2any_ctx_st { PROV_CTX *provctx; /* Set to 0 if parameters should not be saved (dsa only) */ int save_parameters; /* Set to 1 if intending to encrypt/decrypt, otherwise 0 */ int cipher_intent; EVP_CIPHER *cipher; struct ossl_passphrase_data_st pwdata; }; typedef int check_key_type_fn(const void *key, int nid); typedef int key_to_paramstring_fn(const void *key, int nid, int save, void **str, int *strtype); typedef int key_to_der_fn(BIO *out, const void *key, int key_nid, const char *pemname, key_to_paramstring_fn *p2s, i2d_of_void *k2d, struct key2any_ctx_st *ctx); typedef int write_bio_of_void_fn(BIO *bp, const void *x); /* Free the blob allocated during key_to_paramstring_fn */ static void free_asn1_data(int type, void *data) { switch(type) { case V_ASN1_OBJECT: ASN1_OBJECT_free(data); break; case V_ASN1_SEQUENCE: ASN1_STRING_free(data); break; } } static PKCS8_PRIV_KEY_INFO *key_to_p8info(const void *key, int key_nid, void *params, int params_type, i2d_of_void *k2d) { /* der, derlen store the key DER output and its length */ unsigned char *der = NULL; int derlen; /* The final PKCS#8 info */ PKCS8_PRIV_KEY_INFO *p8info = NULL; if ((p8info = PKCS8_PRIV_KEY_INFO_new()) == NULL || (derlen = k2d(key, &der)) <= 0 || !PKCS8_pkey_set0(p8info, OBJ_nid2obj(key_nid), 0, params_type, params, der, derlen)) { ERR_raise(ERR_LIB_PROV, ERR_R_MALLOC_FAILURE); PKCS8_PRIV_KEY_INFO_free(p8info); OPENSSL_free(der); p8info = NULL; } return p8info; } static X509_SIG *p8info_to_encp8(PKCS8_PRIV_KEY_INFO *p8info, struct key2any_ctx_st *ctx) { X509_SIG *p8 = NULL; char kstr[PEM_BUFSIZE]; size_t klen = 0; OSSL_LIB_CTX *libctx = PROV_LIBCTX_OF(ctx->provctx); if (ctx->cipher == NULL) return NULL; if (!ossl_pw_get_passphrase(kstr, sizeof(kstr), &klen, NULL, 1, &ctx->pwdata)) { ERR_raise(ERR_LIB_PROV, PROV_R_UNABLE_TO_GET_PASSPHRASE); return NULL; } /* First argument == -1 means "standard" */ p8 = PKCS8_encrypt_ex(-1, ctx->cipher, kstr, klen, NULL, 0, 0, p8info, libctx, NULL); OPENSSL_cleanse(kstr, klen); return p8; } static X509_SIG *key_to_encp8(const void *key, int key_nid, void *params, int params_type, i2d_of_void *k2d, struct key2any_ctx_st *ctx) { PKCS8_PRIV_KEY_INFO *p8info = key_to_p8info(key, key_nid, params, params_type, k2d); X509_SIG *p8 = NULL; if (p8info == NULL) { free_asn1_data(params_type, params); } else { p8 = p8info_to_encp8(p8info, ctx); PKCS8_PRIV_KEY_INFO_free(p8info); } return p8; } static X509_PUBKEY *key_to_pubkey(const void *key, int key_nid, void *params, int params_type, i2d_of_void k2d) { /* der, derlen store the key DER output and its length */ unsigned char *der = NULL; int derlen; /* The final X509_PUBKEY */ X509_PUBKEY *xpk = NULL; if ((xpk = X509_PUBKEY_new()) == NULL || (derlen = k2d(key, &der)) <= 0 || !X509_PUBKEY_set0_param(xpk, OBJ_nid2obj(key_nid), params_type, params, der, derlen)) { ERR_raise(ERR_LIB_PROV, ERR_R_MALLOC_FAILURE); X509_PUBKEY_free(xpk); OPENSSL_free(der); xpk = NULL; } return xpk; } /* * key_to_epki_* produce encoded output with the private key data in a * EncryptedPrivateKeyInfo structure (defined by PKCS#8). They require * that there's an intent to encrypt, anything else is an error. * * key_to_pki_* primarly produce encoded output with the private key data * in a PrivateKeyInfo structure (also defined by PKCS#8). However, if * there is an intent to encrypt the data, the corresponding key_to_epki_* * function is used instead. * * key_to_spki_* produce encoded output with the public key data in an * X.509 SubjectPublicKeyInfo. * * Key parameters don't have any defined envelopment of this kind, but are * included in some manner in the output from the functions described above, * either in the AlgorithmIdentifier's parameter field, or as part of the * key data itself. */ static int key_to_epki_der_priv_bio(BIO *out, const void *key, int key_nid, ossl_unused const char *pemname, key_to_paramstring_fn *p2s, i2d_of_void *k2d, struct key2any_ctx_st *ctx) { int ret = 0; void *str = NULL; int strtype = V_ASN1_UNDEF; X509_SIG *p8; if (!ctx->cipher_intent) return 0; if (p2s != NULL && !p2s(key, key_nid, ctx->save_parameters, &str, &strtype)) return 0; p8 = key_to_encp8(key, key_nid, str, strtype, k2d, ctx); if (p8 != NULL) ret = i2d_PKCS8_bio(out, p8); X509_SIG_free(p8); return ret; } static int key_to_epki_pem_priv_bio(BIO *out, const void *key, int key_nid, ossl_unused const char *pemname, key_to_paramstring_fn *p2s, i2d_of_void *k2d, struct key2any_ctx_st *ctx) { int ret = 0; void *str = NULL; int strtype = V_ASN1_UNDEF; X509_SIG *p8; if (!ctx->cipher_intent) return 0; if (p2s != NULL && !p2s(key, key_nid, ctx->save_parameters, &str, &strtype)) return 0; p8 = key_to_encp8(key, key_nid, str, strtype, k2d, ctx); if (p8 != NULL) ret = PEM_write_bio_PKCS8(out, p8); X509_SIG_free(p8); return ret; } static int key_to_pki_der_priv_bio(BIO *out, const void *key, int key_nid, ossl_unused const char *pemname, key_to_paramstring_fn *p2s, i2d_of_void *k2d, struct key2any_ctx_st *ctx) { int ret = 0; void *str = NULL; int strtype = V_ASN1_UNDEF; PKCS8_PRIV_KEY_INFO *p8info; if (ctx->cipher_intent) return key_to_epki_der_priv_bio(out, key, key_nid, pemname, p2s, k2d, ctx); if (p2s != NULL && !p2s(key, key_nid, ctx->save_parameters, &str, &strtype)) return 0; p8info = key_to_p8info(key, key_nid, str, strtype, k2d); if (p8info != NULL) ret = i2d_PKCS8_PRIV_KEY_INFO_bio(out, p8info); else free_asn1_data(strtype, str); PKCS8_PRIV_KEY_INFO_free(p8info); return ret; } static int key_to_pki_pem_priv_bio(BIO *out, const void *key, int key_nid, ossl_unused const char *pemname, key_to_paramstring_fn *p2s, i2d_of_void *k2d, struct key2any_ctx_st *ctx) { int ret = 0; void *str = NULL; int strtype = V_ASN1_UNDEF; PKCS8_PRIV_KEY_INFO *p8info; if (ctx->cipher_intent) return key_to_epki_pem_priv_bio(out, key, key_nid, pemname, p2s, k2d, ctx); if (p2s != NULL && !p2s(key, key_nid, ctx->save_parameters, &str, &strtype)) return 0; p8info = key_to_p8info(key, key_nid, str, strtype, k2d); if (p8info != NULL) ret = PEM_write_bio_PKCS8_PRIV_KEY_INFO(out, p8info); else free_asn1_data(strtype, str); PKCS8_PRIV_KEY_INFO_free(p8info); return ret; } static int key_to_spki_der_pub_bio(BIO *out, const void *key, int key_nid, ossl_unused const char *pemname, key_to_paramstring_fn *p2s, i2d_of_void *k2d, struct key2any_ctx_st *ctx) { int ret = 0; void *str = NULL; int strtype = V_ASN1_UNDEF; X509_PUBKEY *xpk = NULL; if (p2s != NULL && !p2s(key, key_nid, ctx->save_parameters, &str, &strtype)) return 0; xpk = key_to_pubkey(key, key_nid, str, strtype, k2d); if (xpk != NULL) ret = i2d_X509_PUBKEY_bio(out, xpk); /* Also frees |str| */ X509_PUBKEY_free(xpk); return ret; } static int key_to_spki_pem_pub_bio(BIO *out, const void *key, int key_nid, ossl_unused const char *pemname, key_to_paramstring_fn *p2s, i2d_of_void *k2d, struct key2any_ctx_st *ctx) { int ret = 0; void *str = NULL; int strtype = V_ASN1_UNDEF; X509_PUBKEY *xpk = NULL; if (p2s != NULL && !p2s(key, key_nid, ctx->save_parameters, &str, &strtype)) return 0; xpk = key_to_pubkey(key, key_nid, str, strtype, k2d); if (xpk != NULL) ret = PEM_write_bio_X509_PUBKEY(out, xpk); else free_asn1_data(strtype, str); /* Also frees |str| */ X509_PUBKEY_free(xpk); return ret; } /* * key_to_type_specific_* produce encoded output with type specific key data, * no envelopment; the same kind of output as the type specific i2d_ and * PEM_write_ functions, which is often a simple SEQUENCE of INTEGER. * * OpenSSL tries to discourage production of new keys in this form, because * of the ambiguity when trying to recognise them, but can't deny that PKCS#1 * et al still are live standards. * * Note that these functions completely ignore p2s, and rather rely entirely * on k2d to do the complete work. */ static int key_to_type_specific_der_bio(BIO *out, const void *key, int key_nid, ossl_unused const char *pemname, key_to_paramstring_fn *p2s, i2d_of_void *k2d, struct key2any_ctx_st *ctx) { unsigned char *der = NULL; int derlen; int ret; if ((derlen = k2d(key, &der)) <= 0) { ERR_raise(ERR_LIB_PROV, ERR_R_MALLOC_FAILURE); return 0; } ret = BIO_write(out, der, derlen); OPENSSL_free(der); return ret > 0; } #define key_to_type_specific_der_priv_bio key_to_type_specific_der_bio #define key_to_type_specific_der_pub_bio key_to_type_specific_der_bio #define key_to_type_specific_der_param_bio key_to_type_specific_der_bio static int key_to_type_specific_pem_bio_cb(BIO *out, const void *key, int key_nid, const char *pemname, key_to_paramstring_fn *p2s, i2d_of_void *k2d, struct key2any_ctx_st *ctx, pem_password_cb *cb, void *cbarg) { return PEM_ASN1_write_bio(k2d, pemname, out, key, ctx->cipher, NULL, 0, cb, cbarg) > 0; } static int key_to_type_specific_pem_priv_bio(BIO *out, const void *key, int key_nid, const char *pemname, key_to_paramstring_fn *p2s, i2d_of_void *k2d, struct key2any_ctx_st *ctx) { return key_to_type_specific_pem_bio_cb(out, key, key_nid, pemname, p2s, k2d, ctx, ossl_pw_pem_password, &ctx->pwdata); } static int key_to_type_specific_pem_pub_bio(BIO *out, const void *key, int key_nid, const char *pemname, key_to_paramstring_fn *p2s, i2d_of_void *k2d, struct key2any_ctx_st *ctx) { return key_to_type_specific_pem_bio_cb(out, key, key_nid, pemname, p2s, k2d, ctx, NULL, NULL); } #ifndef OPENSSL_NO_KEYPARAMS static int key_to_type_specific_pem_param_bio(BIO *out, const void *key, int key_nid, const char *pemname, key_to_paramstring_fn *p2s, i2d_of_void *k2d, struct key2any_ctx_st *ctx) { return key_to_type_specific_pem_bio_cb(out, key, key_nid, pemname, p2s, k2d, ctx, NULL, NULL); } #endif /* ---------------------------------------------------------------------- */ #ifndef OPENSSL_NO_DH static int prepare_dh_params(const void *dh, int nid, int save, void **pstr, int *pstrtype) { ASN1_STRING *params = ASN1_STRING_new(); if (params == NULL) { ERR_raise(ERR_LIB_PROV, ERR_R_MALLOC_FAILURE); return 0; } if (nid == EVP_PKEY_DHX) params->length = i2d_DHxparams(dh, ¶ms->data); else params->length = i2d_DHparams(dh, ¶ms->data); if (params->length <= 0) { ERR_raise(ERR_LIB_PROV, ERR_R_MALLOC_FAILURE); ASN1_STRING_free(params); return 0; } params->type = V_ASN1_SEQUENCE; *pstr = params; *pstrtype = V_ASN1_SEQUENCE; return 1; } static int dh_spki_pub_to_der(const void *dh, unsigned char **pder) { const BIGNUM *bn = NULL; ASN1_INTEGER *pub_key = NULL; int ret; if ((bn = DH_get0_pub_key(dh)) == NULL) { ERR_raise(ERR_LIB_PROV, PROV_R_NOT_A_PUBLIC_KEY); return 0; } if ((pub_key = BN_to_ASN1_INTEGER(bn, NULL)) == NULL) { ERR_raise(ERR_LIB_PROV, PROV_R_BN_ERROR); return 0; } ret = i2d_ASN1_INTEGER(pub_key, pder); ASN1_STRING_clear_free(pub_key); return ret; } static int dh_pki_priv_to_der(const void *dh, unsigned char **pder) { const BIGNUM *bn = NULL; ASN1_INTEGER *priv_key = NULL; int ret; if ((bn = DH_get0_priv_key(dh)) == NULL) { ERR_raise(ERR_LIB_PROV, PROV_R_NOT_A_PRIVATE_KEY); return 0; } if ((priv_key = BN_to_ASN1_INTEGER(bn, NULL)) == NULL) { ERR_raise(ERR_LIB_PROV, PROV_R_BN_ERROR); return 0; } ret = i2d_ASN1_INTEGER(priv_key, pder); ASN1_STRING_clear_free(priv_key); return ret; } # define dh_epki_priv_to_der dh_pki_priv_to_der static int dh_type_specific_params_to_der(const void *dh, unsigned char **pder) { if (DH_test_flags(dh, DH_FLAG_TYPE_DHX)) return i2d_DHxparams(dh, pder); return i2d_DHparams(dh, pder); } /* * DH doesn't have i2d_DHPrivateKey or i2d_DHPublicKey, so we can't make * corresponding functions here. */ # define dh_type_specific_priv_to_der NULL # define dh_type_specific_pub_to_der NULL static int dh_check_key_type(const void *dh, int expected_type) { int type = DH_test_flags(dh, DH_FLAG_TYPE_DHX) ? EVP_PKEY_DHX : EVP_PKEY_DH; return type == expected_type; } # define dh_evp_type EVP_PKEY_DH # define dhx_evp_type EVP_PKEY_DHX # define dh_input_type "DH" # define dhx_input_type "DHX" # define dh_pem_type "DH" # define dhx_pem_type "X9.42 DH" #endif /* ---------------------------------------------------------------------- */ #ifndef OPENSSL_NO_DSA static int encode_dsa_params(const void *dsa, int nid, void **pstr, int *pstrtype) { ASN1_STRING *params = ASN1_STRING_new(); if (params == NULL) { ERR_raise(ERR_LIB_PROV, ERR_R_MALLOC_FAILURE); return 0; } params->length = i2d_DSAparams(dsa, ¶ms->data); if (params->length <= 0) { ERR_raise(ERR_LIB_PROV, ERR_R_MALLOC_FAILURE); ASN1_STRING_free(params); return 0; } *pstrtype = V_ASN1_SEQUENCE; *pstr = params; return 1; } static int prepare_dsa_params(const void *dsa, int nid, int save, void **pstr, int *pstrtype) { const BIGNUM *p = DSA_get0_p(dsa); const BIGNUM *q = DSA_get0_q(dsa); const BIGNUM *g = DSA_get0_g(dsa); if (save && p != NULL && q != NULL && g != NULL) return encode_dsa_params(dsa, nid, pstr, pstrtype); *pstr = NULL; *pstrtype = V_ASN1_UNDEF; return 1; } static int dsa_spki_pub_to_der(const void *dsa, unsigned char **pder) { const BIGNUM *bn = NULL; ASN1_INTEGER *pub_key = NULL; int ret; if ((bn = DSA_get0_pub_key(dsa)) == NULL) { ERR_raise(ERR_LIB_PROV, PROV_R_NOT_A_PUBLIC_KEY); return 0; } if ((pub_key = BN_to_ASN1_INTEGER(bn, NULL)) == NULL) { ERR_raise(ERR_LIB_PROV, PROV_R_BN_ERROR); return 0; } ret = i2d_ASN1_INTEGER(pub_key, pder); ASN1_STRING_clear_free(pub_key); return ret; } static int dsa_pki_priv_to_der(const void *dsa, unsigned char **pder) { const BIGNUM *bn = NULL; ASN1_INTEGER *priv_key = NULL; int ret; if ((bn = DSA_get0_priv_key(dsa)) == NULL) { ERR_raise(ERR_LIB_PROV, PROV_R_NOT_A_PRIVATE_KEY); return 0; } if ((priv_key = BN_to_ASN1_INTEGER(bn, NULL)) == NULL) { ERR_raise(ERR_LIB_PROV, PROV_R_BN_ERROR); return 0; } ret = i2d_ASN1_INTEGER(priv_key, pder); ASN1_STRING_clear_free(priv_key); return ret; } # define dsa_epki_priv_to_der dsa_pki_priv_to_der # define dsa_type_specific_priv_to_der (i2d_of_void *)i2d_DSAPrivateKey # define dsa_type_specific_pub_to_der (i2d_of_void *)i2d_DSAPublicKey # define dsa_type_specific_params_to_der (i2d_of_void *)i2d_DSAparams # define dsa_check_key_type NULL # define dsa_evp_type EVP_PKEY_DSA # define dsa_input_type "DSA" # define dsa_pem_type "DSA" #endif /* ---------------------------------------------------------------------- */ #ifndef OPENSSL_NO_EC static int prepare_ec_explicit_params(const void *eckey, void **pstr, int *pstrtype) { ASN1_STRING *params = ASN1_STRING_new(); if (params == NULL) { ERR_raise(ERR_LIB_PROV, ERR_R_MALLOC_FAILURE); return 0; } params->length = i2d_ECParameters(eckey, ¶ms->data); if (params->length <= 0) { ERR_raise(ERR_LIB_PROV, ERR_R_MALLOC_FAILURE); ASN1_STRING_free(params); return 0; } *pstrtype = V_ASN1_SEQUENCE; *pstr = params; return 1; } /* * This implements EcpkParameters, where the CHOICE is based on whether there * is a curve name (curve nid) to be found or not. See RFC 3279 for details. */ static int prepare_ec_params(const void *eckey, int nid, int save, void **pstr, int *pstrtype) { int curve_nid; const EC_GROUP *group = EC_KEY_get0_group(eckey); ASN1_OBJECT *params = NULL; if (group == NULL) return 0; curve_nid = EC_GROUP_get_curve_name(group); if (curve_nid != NID_undef) { params = OBJ_nid2obj(curve_nid); if (params == NULL) return 0; } if (curve_nid != NID_undef && (EC_GROUP_get_asn1_flag(group) & OPENSSL_EC_NAMED_CURVE)) { /* The CHOICE came to namedCurve */ if (OBJ_length(params) == 0) { /* Some curves might not have an associated OID */ ERR_raise(ERR_LIB_PROV, PROV_R_MISSING_OID); ASN1_OBJECT_free(params); return 0; } *pstr = params; *pstrtype = V_ASN1_OBJECT; return 1; } else { /* The CHOICE came to ecParameters */ return prepare_ec_explicit_params(eckey, pstr, pstrtype); } } static int ec_spki_pub_to_der(const void *eckey, unsigned char **pder) { if (EC_KEY_get0_public_key(eckey) == NULL) { ERR_raise(ERR_LIB_PROV, PROV_R_NOT_A_PUBLIC_KEY); return 0; } return i2o_ECPublicKey(eckey, pder); } static int ec_pki_priv_to_der(const void *veckey, unsigned char **pder) { EC_KEY *eckey = (EC_KEY *)veckey; unsigned int old_flags; int ret = 0; /* * For PKCS8 the curve name appears in the PKCS8_PRIV_KEY_INFO object * as the pkeyalg->parameter field. (For a named curve this is an OID) * The pkey field is an octet string that holds the encoded * ECPrivateKey SEQUENCE with the optional parameters field omitted. * We omit this by setting the EC_PKEY_NO_PARAMETERS flag. */ old_flags = EC_KEY_get_enc_flags(eckey); /* save old flags */ EC_KEY_set_enc_flags(eckey, old_flags | EC_PKEY_NO_PARAMETERS); ret = i2d_ECPrivateKey(eckey, pder); EC_KEY_set_enc_flags(eckey, old_flags); /* restore old flags */ return ret; /* return the length of the der encoded data */ } # define ec_epki_priv_to_der ec_pki_priv_to_der # define ec_type_specific_params_to_der (i2d_of_void *)i2d_ECParameters /* No ec_type_specific_pub_to_der, there simply is no such thing */ # define ec_type_specific_priv_to_der (i2d_of_void *)i2d_ECPrivateKey # define ec_check_key_type NULL # define ec_evp_type EVP_PKEY_EC # define ec_input_type "EC" # define ec_pem_type "EC" # ifndef OPENSSL_NO_SM2 /* * Albeit SM2 is a slightly different algorithm than ECDSA, the key type * encoding (in all places where an AlgorithmIdentifier is produced, such * as PrivateKeyInfo and SubjectPublicKeyInfo) is the same as for ECC keys * according to the example in GM/T 0015-2012, appendix D.2. * This leaves the distinction of SM2 keys to the EC group (which is found * in AlgorithmIdentified.params). */ # define sm2_evp_type ec_evp_type # define sm2_input_type "SM2" # define sm2_pem_type "SM2" # endif #endif /* ---------------------------------------------------------------------- */ #ifndef OPENSSL_NO_EC # define prepare_ecx_params NULL static int ecx_spki_pub_to_der(const void *vecxkey, unsigned char **pder) { const ECX_KEY *ecxkey = vecxkey; unsigned char *keyblob; if (ecxkey == NULL) { ERR_raise(ERR_LIB_PROV, ERR_R_PASSED_NULL_PARAMETER); return 0; } keyblob = OPENSSL_memdup(ecxkey->pubkey, ecxkey->keylen); if (keyblob == NULL) { ERR_raise(ERR_LIB_PROV, ERR_R_MALLOC_FAILURE); return 0; } *pder = keyblob; return ecxkey->keylen; } static int ecx_pki_priv_to_der(const void *vecxkey, unsigned char **pder) { const ECX_KEY *ecxkey = vecxkey; ASN1_OCTET_STRING oct; int keybloblen; if (ecxkey == NULL || ecxkey->privkey == NULL) { ERR_raise(ERR_LIB_PROV, ERR_R_PASSED_NULL_PARAMETER); return 0; } oct.data = ecxkey->privkey; oct.length = ecxkey->keylen; oct.flags = 0; keybloblen = i2d_ASN1_OCTET_STRING(&oct, pder); if (keybloblen < 0) { ERR_raise(ERR_LIB_PROV, ERR_R_MALLOC_FAILURE); return 0; } return keybloblen; } # define ecx_epki_priv_to_der ecx_pki_priv_to_der /* * ED25519, ED448, X25519 and X448 only has PKCS#8 / SubjectPublicKeyInfo * representation, so we don't define ecx_type_specific_[priv,pub,params]_to_der. */ # define ecx_check_key_type NULL # define ed25519_evp_type EVP_PKEY_ED25519 # define ed448_evp_type EVP_PKEY_ED448 # define x25519_evp_type EVP_PKEY_X25519 # define x448_evp_type EVP_PKEY_X448 # define ed25519_input_type "ED25519" # define ed448_input_type "ED448" # define x25519_input_type "X25519" # define x448_input_type "X448" # define ed25519_pem_type "ED25519" # define ed448_pem_type "ED448" # define x25519_pem_type "X25519" # define x448_pem_type "X448" #endif /* ---------------------------------------------------------------------- */ /* * Helper functions to prepare RSA-PSS params for encoding. We would * have simply written the whole AlgorithmIdentifier, but existing libcrypto * functionality doesn't allow that. */ static int prepare_rsa_params(const void *rsa, int nid, int save, void **pstr, int *pstrtype) { const RSA_PSS_PARAMS_30 *pss = ossl_rsa_get0_pss_params_30((RSA *)rsa); *pstr = NULL; switch (RSA_test_flags(rsa, RSA_FLAG_TYPE_MASK)) { case RSA_FLAG_TYPE_RSA: /* If plain RSA, the parameters shall be NULL */ *pstrtype = V_ASN1_NULL; return 1; case RSA_FLAG_TYPE_RSASSAPSS: if (ossl_rsa_pss_params_30_is_unrestricted(pss)) { *pstrtype = V_ASN1_UNDEF; return 1; } else { ASN1_STRING *astr = NULL; WPACKET pkt; unsigned char *str = NULL; size_t str_sz = 0; int i; for (i = 0; i < 2; i++) { switch (i) { case 0: if (!WPACKET_init_null_der(&pkt)) goto err; break; case 1: if ((str = OPENSSL_malloc(str_sz)) == NULL || !WPACKET_init_der(&pkt, str, str_sz)) { WPACKET_cleanup(&pkt); goto err; } break; } if (!ossl_DER_w_RSASSA_PSS_params(&pkt, -1, pss) || !WPACKET_finish(&pkt) || !WPACKET_get_total_written(&pkt, &str_sz)) { WPACKET_cleanup(&pkt); goto err; } WPACKET_cleanup(&pkt); /* * If no PSS parameters are going to be written, there's no * point going for another iteration. * This saves us from getting |str| allocated just to have it * immediately de-allocated. */ if (str_sz == 0) break; } if ((astr = ASN1_STRING_new()) == NULL) goto err; *pstrtype = V_ASN1_SEQUENCE; ASN1_STRING_set0(astr, str, (int)str_sz); *pstr = astr; return 1; err: OPENSSL_free(str); return 0; } } /* Currently unsupported RSA key type */ return 0; } /* * RSA is extremely simple, as PKCS#1 is used for the PKCS#8 |privateKey| * field as well as the SubjectPublicKeyInfo |subjectPublicKey| field. */ #define rsa_pki_priv_to_der rsa_type_specific_priv_to_der #define rsa_epki_priv_to_der rsa_type_specific_priv_to_der #define rsa_spki_pub_to_der rsa_type_specific_pub_to_der #define rsa_type_specific_priv_to_der (i2d_of_void *)i2d_RSAPrivateKey #define rsa_type_specific_pub_to_der (i2d_of_void *)i2d_RSAPublicKey #define rsa_type_specific_params_to_der NULL static int rsa_check_key_type(const void *rsa, int expected_type) { switch (RSA_test_flags(rsa, RSA_FLAG_TYPE_MASK)) { case RSA_FLAG_TYPE_RSA: return expected_type == EVP_PKEY_RSA; case RSA_FLAG_TYPE_RSASSAPSS: return expected_type == EVP_PKEY_RSA_PSS; } /* Currently unsupported RSA key type */ return EVP_PKEY_NONE; } #define rsa_evp_type EVP_PKEY_RSA #define rsapss_evp_type EVP_PKEY_RSA_PSS #define rsa_input_type "RSA" #define rsapss_input_type "RSA-PSS" #define rsa_pem_type "RSA" #define rsapss_pem_type "RSA-PSS" /* ---------------------------------------------------------------------- */ static OSSL_FUNC_decoder_newctx_fn key2any_newctx; static OSSL_FUNC_decoder_freectx_fn key2any_freectx; static void *key2any_newctx(void *provctx) { struct key2any_ctx_st *ctx = OPENSSL_zalloc(sizeof(*ctx)); if (ctx != NULL) { ctx->provctx = provctx; ctx->save_parameters = 1; } return ctx; } static void key2any_freectx(void *vctx) { struct key2any_ctx_st *ctx = vctx; ossl_pw_clear_passphrase_data(&ctx->pwdata); EVP_CIPHER_free(ctx->cipher); OPENSSL_free(ctx); } static const OSSL_PARAM *key2any_settable_ctx_params(ossl_unused void *provctx) { static const OSSL_PARAM settables[] = { OSSL_PARAM_utf8_string(OSSL_ENCODER_PARAM_CIPHER, NULL, 0), OSSL_PARAM_utf8_string(OSSL_ENCODER_PARAM_PROPERTIES, NULL, 0), OSSL_PARAM_END, }; return settables; } static int key2any_set_ctx_params(void *vctx, const OSSL_PARAM params[]) { struct key2any_ctx_st *ctx = vctx; OSSL_LIB_CTX *libctx = ossl_prov_ctx_get0_libctx(ctx->provctx); const OSSL_PARAM *cipherp = OSSL_PARAM_locate_const(params, OSSL_ENCODER_PARAM_CIPHER); const OSSL_PARAM *propsp = OSSL_PARAM_locate_const(params, OSSL_ENCODER_PARAM_PROPERTIES); const OSSL_PARAM *save_paramsp = OSSL_PARAM_locate_const(params, OSSL_ENCODER_PARAM_SAVE_PARAMETERS); if (cipherp != NULL) { const char *ciphername = NULL; const char *props = NULL; if (!OSSL_PARAM_get_utf8_string_ptr(cipherp, &ciphername)) return 0; if (propsp != NULL && !OSSL_PARAM_get_utf8_string_ptr(propsp, &props)) return 0; EVP_CIPHER_free(ctx->cipher); ctx->cipher = NULL; ctx->cipher_intent = ciphername != NULL; if (ciphername != NULL && ((ctx->cipher = EVP_CIPHER_fetch(libctx, ciphername, props)) == NULL)) return 0; } if (save_paramsp != NULL) { if (!OSSL_PARAM_get_int(save_paramsp, &ctx->save_parameters)) return 0; } return 1; } static int key2any_check_selection(int selection, int selection_mask) { /* * The selections are kinda sorta "levels", i.e. each selection given * here is assumed to include those following. */ int checks[] = { OSSL_KEYMGMT_SELECT_PRIVATE_KEY, OSSL_KEYMGMT_SELECT_PUBLIC_KEY, OSSL_KEYMGMT_SELECT_ALL_PARAMETERS }; size_t i; /* The decoder implementations made here support guessing */ if (selection == 0) return 1; for (i = 0; i < OSSL_NELEM(checks); i++) { int check1 = (selection & checks[i]) != 0; int check2 = (selection_mask & checks[i]) != 0; /* * If the caller asked for the currently checked bit(s), return * whether the decoder description says it's supported. */ if (check1) return check2; } /* This should be dead code, but just to be safe... */ return 0; } static int key2any_encode(struct key2any_ctx_st *ctx, OSSL_CORE_BIO *cout, const void *key, int type, const char *pemname, check_key_type_fn *checker, key_to_der_fn *writer, OSSL_PASSPHRASE_CALLBACK *pwcb, void *pwcbarg, key_to_paramstring_fn *key2paramstring, i2d_of_void *key2der) { int ret = 0; if (key == NULL) { ERR_raise(ERR_LIB_PROV, ERR_R_PASSED_NULL_PARAMETER); } else if (writer != NULL && (checker == NULL || checker(key, type))) { BIO *out = ossl_bio_new_from_core_bio(ctx->provctx, cout); if (out != NULL && (pwcb == NULL || ossl_pw_set_ossl_passphrase_cb(&ctx->pwdata, pwcb, pwcbarg))) ret = writer(out, key, type, pemname, key2paramstring, key2der, ctx); BIO_free(out); } else { ERR_raise(ERR_LIB_PROV, ERR_R_PASSED_INVALID_ARGUMENT); } return ret; } #define DO_PRIVATE_KEY_selection_mask OSSL_KEYMGMT_SELECT_PRIVATE_KEY #define DO_PRIVATE_KEY(impl, type, kind, output) \ if ((selection & DO_PRIVATE_KEY_selection_mask) != 0) \ return key2any_encode(ctx, cout, key, impl##_evp_type, \ impl##_pem_type " PRIVATE KEY", \ type##_check_key_type, \ key_to_##kind##_##output##_priv_bio, \ cb, cbarg, prepare_##type##_params, \ type##_##kind##_priv_to_der); #define DO_PUBLIC_KEY_selection_mask OSSL_KEYMGMT_SELECT_PUBLIC_KEY #define DO_PUBLIC_KEY(impl, type, kind, output) \ if ((selection & DO_PUBLIC_KEY_selection_mask) != 0) \ return key2any_encode(ctx, cout, key, impl##_evp_type, \ impl##_pem_type " PUBLIC KEY", \ type##_check_key_type, \ key_to_##kind##_##output##_pub_bio, \ cb, cbarg, prepare_##type##_params, \ type##_##kind##_pub_to_der); #define DO_PARAMETERS_selection_mask OSSL_KEYMGMT_SELECT_ALL_PARAMETERS #define DO_PARAMETERS(impl, type, kind, output) \ if ((selection & DO_PARAMETERS_selection_mask) != 0) \ return key2any_encode(ctx, cout, key, impl##_evp_type, \ impl##_pem_type " PARAMETERS", \ type##_check_key_type, \ key_to_##kind##_##output##_param_bio, \ NULL, NULL, NULL, \ type##_##kind##_params_to_der); /*- * Implement the kinds of output structure that can be produced. They are * referred to by name, and for each name, the following macros are defined * (braces not included): * * DO_{kind}_selection_mask * * A mask of selection bits that must not be zero. This is used as a * selection criterion for each implementation. * This mask must never be zero. * * DO_{kind} * * The performing macro. It must use the DO_ macros defined above, * always in this order: * * - DO_PRIVATE_KEY * - DO_PUBLIC_KEY * - DO_PARAMETERS * * Any of those may be omitted, but the relative order must still be * the same. */ /* * PKCS#8 defines two structures for private keys only: * - PrivateKeyInfo (raw unencrypted form) * - EncryptedPrivateKeyInfo (encrypted wrapping) * * To allow a certain amount of flexibility, we allow the routines * for PrivateKeyInfo to also produce EncryptedPrivateKeyInfo if a * passphrase callback has been passed to them. */ #define DO_PrivateKeyInfo_selection_mask DO_PRIVATE_KEY_selection_mask #define DO_PrivateKeyInfo(impl, type, output) \ DO_PRIVATE_KEY(impl, type, pki, output) #define DO_EncryptedPrivateKeyInfo_selection_mask DO_PRIVATE_KEY_selection_mask #define DO_EncryptedPrivateKeyInfo(impl, type, output) \ DO_PRIVATE_KEY(impl, type, epki, output) /* SubjectPublicKeyInfo is a structure for public keys only */ #define DO_SubjectPublicKeyInfo_selection_mask DO_PUBLIC_KEY_selection_mask #define DO_SubjectPublicKeyInfo(impl, type, output) \ DO_PUBLIC_KEY(impl, type, spki, output) /* * "type-specific" is a uniform name for key type specific output for private * and public keys as well as key parameters. This is used internally in * libcrypto so it doesn't have to have special knowledge about select key * types, but also when no better name has been found. If there are more * expressive DO_ names above, those are preferred. * * Three forms exist: * * - type_specific_keypair Only supports private and public key * - type_specific_params Only supports parameters * - type_specific Supports all parts of an EVP_PKEY * - type_specific_no_pub Supports all parts of an EVP_PKEY * except public key */ #define DO_type_specific_params_selection_mask DO_PARAMETERS_selection_mask #define DO_type_specific_params(impl, type, output) \ DO_PARAMETERS(impl, type, type_specific, output) #define DO_type_specific_keypair_selection_mask \ ( DO_PRIVATE_KEY_selection_mask | DO_PUBLIC_KEY_selection_mask ) #define DO_type_specific_keypair(impl, type, output) \ DO_PRIVATE_KEY(impl, type, type_specific, output) \ DO_PUBLIC_KEY(impl, type, type_specific, output) #define DO_type_specific_selection_mask \ ( DO_type_specific_keypair_selection_mask \ | DO_type_specific_params_selection_mask ) #define DO_type_specific(impl, type, output) \ DO_type_specific_keypair(impl, type, output) \ DO_type_specific_params(impl, type, output) #define DO_type_specific_no_pub_selection_mask \ ( DO_PRIVATE_KEY_selection_mask | DO_PARAMETERS_selection_mask) #define DO_type_specific_no_pub(impl, type, output) \ DO_PRIVATE_KEY(impl, type, type_specific, output) \ DO_type_specific_params(impl, type, output) /* * Type specific aliases for the cases where we need to refer to them by * type name. * This only covers key types that are represented with i2d_{TYPE}PrivateKey, * i2d_{TYPE}PublicKey and i2d_{TYPE}params / i2d_{TYPE}Parameters. */ #define DO_RSA_selection_mask DO_type_specific_keypair_selection_mask #define DO_RSA(impl, type, output) DO_type_specific_keypair(impl, type, output) #define DO_DH_selection_mask DO_type_specific_params_selection_mask #define DO_DH(impl, type, output) DO_type_specific_params(impl, type, output) #define DO_DHX_selection_mask DO_type_specific_params_selection_mask #define DO_DHX(impl, type, output) DO_type_specific_params(impl, type, output) #define DO_DSA_selection_mask DO_type_specific_selection_mask #define DO_DSA(impl, type, output) DO_type_specific(impl, type, output) #define DO_EC_selection_mask DO_type_specific_no_pub_selection_mask #define DO_EC(impl, type, output) DO_type_specific_no_pub(impl, type, output) #define DO_SM2_selection_mask DO_type_specific_no_pub_selection_mask #define DO_SM2(impl, type, output) DO_type_specific_no_pub(impl, type, output) /* PKCS#1 defines a structure for RSA private and public keys */ #define DO_PKCS1_selection_mask DO_RSA_selection_mask #define DO_PKCS1(impl, type, output) DO_RSA(impl, type, output) /* PKCS#3 defines a structure for DH parameters */ #define DO_PKCS3_selection_mask DO_DH_selection_mask #define DO_PKCS3(impl, type, output) DO_DH(impl, type, output) /* X9.42 defines a structure for DHx parameters */ #define DO_X9_42_selection_mask DO_DHX_selection_mask #define DO_X9_42(impl, type, output) DO_DHX(impl, type, output) /* X9.62 defines a structure for EC keys and parameters */ #define DO_X9_62_selection_mask DO_EC_selection_mask #define DO_X9_62(impl, type, output) DO_EC(impl, type, output) /* * MAKE_ENCODER is the single driver for creating OSSL_DISPATCH tables. * It takes the following arguments: * * impl This is the key type name that's being implemented. * type This is the type name for the set of functions that implement * the key type. For example, ed25519, ed448, x25519 and x448 * are all implemented with the exact same set of functions. * evp_type The corresponding EVP_PKEY_xxx type macro for each key. * Necessary because we currently use EVP_PKEY with legacy * native keys internally. This will need to be refactored * when that legacy support goes away. * kind What kind of support to implement. These translate into * the DO_##kind macros above. * output The output type to implement. may be der or pem. * * The resulting OSSL_DISPATCH array gets the following name (expressed in * C preprocessor terms) from those arguments: * * ossl_##impl##_to_##kind##_##output##_encoder_functions */ #define MAKE_ENCODER(impl, type, evp_type, kind, output) \ static OSSL_FUNC_encoder_import_object_fn \ impl##_to_##kind##_##output##_import_object; \ static OSSL_FUNC_encoder_free_object_fn \ impl##_to_##kind##_##output##_free_object; \ static OSSL_FUNC_encoder_encode_fn \ impl##_to_##kind##_##output##_encode; \ \ static void * \ impl##_to_##kind##_##output##_import_object(void *vctx, int selection, \ const OSSL_PARAM params[]) \ { \ struct key2any_ctx_st *ctx = vctx; \ \ return ossl_prov_import_key(ossl_##impl##_keymgmt_functions, \ ctx->provctx, selection, params); \ } \ static void impl##_to_##kind##_##output##_free_object(void *key) \ { \ ossl_prov_free_key(ossl_##impl##_keymgmt_functions, key); \ } \ static int impl##_to_##kind##_##output##_does_selection(void *ctx, \ int selection) \ { \ return key2any_check_selection(selection, \ DO_##kind##_selection_mask); \ } \ static int \ impl##_to_##kind##_##output##_encode(void *ctx, 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; \ } \ DO_##kind(impl, type, output) \ \ ERR_raise(ERR_LIB_PROV, ERR_R_PASSED_INVALID_ARGUMENT); \ return 0; \ } \ const OSSL_DISPATCH \ ossl_##impl##_to_##kind##_##output##_encoder_functions[] = { \ { OSSL_FUNC_ENCODER_NEWCTX, \ (void (*)(void))key2any_newctx }, \ { OSSL_FUNC_ENCODER_FREECTX, \ (void (*)(void))key2any_freectx }, \ { OSSL_FUNC_ENCODER_SETTABLE_CTX_PARAMS, \ (void (*)(void))key2any_settable_ctx_params }, \ { OSSL_FUNC_ENCODER_SET_CTX_PARAMS, \ (void (*)(void))key2any_set_ctx_params }, \ { OSSL_FUNC_ENCODER_DOES_SELECTION, \ (void (*)(void))impl##_to_##kind##_##output##_does_selection }, \ { OSSL_FUNC_ENCODER_IMPORT_OBJECT, \ (void (*)(void))impl##_to_##kind##_##output##_import_object }, \ { OSSL_FUNC_ENCODER_FREE_OBJECT, \ (void (*)(void))impl##_to_##kind##_##output##_free_object }, \ { OSSL_FUNC_ENCODER_ENCODE, \ (void (*)(void))impl##_to_##kind##_##output##_encode }, \ { 0, NULL } \ } /* * Replacements for i2d_{TYPE}PrivateKey, i2d_{TYPE}PublicKey, * i2d_{TYPE}params, as they exist. */ MAKE_ENCODER(rsa, rsa, EVP_PKEY_RSA, type_specific_keypair, der); #ifndef OPENSSL_NO_DH MAKE_ENCODER(dh, dh, EVP_PKEY_DH, type_specific_params, der); MAKE_ENCODER(dhx, dh, EVP_PKEY_DHX, type_specific_params, der); #endif #ifndef OPENSSL_NO_DSA MAKE_ENCODER(dsa, dsa, EVP_PKEY_DSA, type_specific, der); #endif #ifndef OPENSSL_NO_EC MAKE_ENCODER(ec, ec, EVP_PKEY_EC, type_specific_no_pub, der); # ifndef OPENSSL_NO_SM2 MAKE_ENCODER(sm2, ec, EVP_PKEY_EC, type_specific_no_pub, der); # endif #endif /* * Replacements for PEM_write_bio_{TYPE}PrivateKey, * PEM_write_bio_{TYPE}PublicKey, PEM_write_bio_{TYPE}params, as they exist. */ MAKE_ENCODER(rsa, rsa, EVP_PKEY_RSA, type_specific_keypair, pem); #ifndef OPENSSL_NO_DH MAKE_ENCODER(dh, dh, EVP_PKEY_DH, type_specific_params, pem); MAKE_ENCODER(dhx, dh, EVP_PKEY_DHX, type_specific_params, pem); #endif #ifndef OPENSSL_NO_DSA MAKE_ENCODER(dsa, dsa, EVP_PKEY_DSA, type_specific, pem); #endif #ifndef OPENSSL_NO_EC MAKE_ENCODER(ec, ec, EVP_PKEY_EC, type_specific_no_pub, pem); # ifndef OPENSSL_NO_SM2 MAKE_ENCODER(sm2, ec, EVP_PKEY_EC, type_specific_no_pub, pem); # endif #endif /* * PKCS#8 and SubjectPublicKeyInfo support. This may duplicate some of the * implementations specified above, but are more specific. * The SubjectPublicKeyInfo implementations also replace the * PEM_write_bio_{TYPE}_PUBKEY functions. * For PEM, these are expected to be used by PEM_write_bio_PrivateKey(), * PEM_write_bio_PUBKEY() and PEM_write_bio_Parameters(). */ MAKE_ENCODER(rsa, rsa, EVP_PKEY_RSA, EncryptedPrivateKeyInfo, der); MAKE_ENCODER(rsa, rsa, EVP_PKEY_RSA, EncryptedPrivateKeyInfo, pem); MAKE_ENCODER(rsa, rsa, EVP_PKEY_RSA, PrivateKeyInfo, der); MAKE_ENCODER(rsa, rsa, EVP_PKEY_RSA, PrivateKeyInfo, pem); MAKE_ENCODER(rsa, rsa, EVP_PKEY_RSA, SubjectPublicKeyInfo, der); MAKE_ENCODER(rsa, rsa, EVP_PKEY_RSA, SubjectPublicKeyInfo, pem); MAKE_ENCODER(rsapss, rsa, EVP_PKEY_RSA_PSS, EncryptedPrivateKeyInfo, der); MAKE_ENCODER(rsapss, rsa, EVP_PKEY_RSA_PSS, EncryptedPrivateKeyInfo, pem); MAKE_ENCODER(rsapss, rsa, EVP_PKEY_RSA_PSS, PrivateKeyInfo, der); MAKE_ENCODER(rsapss, rsa, EVP_PKEY_RSA_PSS, PrivateKeyInfo, pem); MAKE_ENCODER(rsapss, rsa, EVP_PKEY_RSA_PSS, SubjectPublicKeyInfo, der); MAKE_ENCODER(rsapss, rsa, EVP_PKEY_RSA_PSS, SubjectPublicKeyInfo, pem); #ifndef OPENSSL_NO_DH MAKE_ENCODER(dh, dh, EVP_PKEY_DH, EncryptedPrivateKeyInfo, der); MAKE_ENCODER(dh, dh, EVP_PKEY_DH, EncryptedPrivateKeyInfo, pem); MAKE_ENCODER(dh, dh, EVP_PKEY_DH, PrivateKeyInfo, der); MAKE_ENCODER(dh, dh, EVP_PKEY_DH, PrivateKeyInfo, pem); MAKE_ENCODER(dh, dh, EVP_PKEY_DH, SubjectPublicKeyInfo, der); MAKE_ENCODER(dh, dh, EVP_PKEY_DH, SubjectPublicKeyInfo, pem); MAKE_ENCODER(dhx, dh, EVP_PKEY_DHX, EncryptedPrivateKeyInfo, der); MAKE_ENCODER(dhx, dh, EVP_PKEY_DHX, EncryptedPrivateKeyInfo, pem); MAKE_ENCODER(dhx, dh, EVP_PKEY_DHX, PrivateKeyInfo, der); MAKE_ENCODER(dhx, dh, EVP_PKEY_DHX, PrivateKeyInfo, pem); MAKE_ENCODER(dhx, dh, EVP_PKEY_DHX, SubjectPublicKeyInfo, der); MAKE_ENCODER(dhx, dh, EVP_PKEY_DHX, SubjectPublicKeyInfo, pem); #endif #ifndef OPENSSL_NO_DSA MAKE_ENCODER(dsa, dsa, EVP_PKEY_DSA, EncryptedPrivateKeyInfo, der); MAKE_ENCODER(dsa, dsa, EVP_PKEY_DSA, EncryptedPrivateKeyInfo, pem); MAKE_ENCODER(dsa, dsa, EVP_PKEY_DSA, PrivateKeyInfo, der); MAKE_ENCODER(dsa, dsa, EVP_PKEY_DSA, PrivateKeyInfo, pem); MAKE_ENCODER(dsa, dsa, EVP_PKEY_DSA, SubjectPublicKeyInfo, der); MAKE_ENCODER(dsa, dsa, EVP_PKEY_DSA, SubjectPublicKeyInfo, pem); #endif #ifndef OPENSSL_NO_EC MAKE_ENCODER(ec, ec, EVP_PKEY_EC, EncryptedPrivateKeyInfo, der); MAKE_ENCODER(ec, ec, EVP_PKEY_EC, EncryptedPrivateKeyInfo, pem); MAKE_ENCODER(ec, ec, EVP_PKEY_EC, PrivateKeyInfo, der); MAKE_ENCODER(ec, ec, EVP_PKEY_EC, PrivateKeyInfo, pem); MAKE_ENCODER(ec, ec, EVP_PKEY_EC, SubjectPublicKeyInfo, der); MAKE_ENCODER(ec, ec, EVP_PKEY_EC, SubjectPublicKeyInfo, pem); # ifndef OPENSSL_NO_SM2 MAKE_ENCODER(sm2, ec, EVP_PKEY_EC, EncryptedPrivateKeyInfo, der); MAKE_ENCODER(sm2, ec, EVP_PKEY_EC, EncryptedPrivateKeyInfo, pem); MAKE_ENCODER(sm2, ec, EVP_PKEY_EC, PrivateKeyInfo, der); MAKE_ENCODER(sm2, ec, EVP_PKEY_EC, PrivateKeyInfo, pem); MAKE_ENCODER(sm2, ec, EVP_PKEY_EC, SubjectPublicKeyInfo, der); MAKE_ENCODER(sm2, ec, EVP_PKEY_EC, SubjectPublicKeyInfo, pem); # endif MAKE_ENCODER(ed25519, ecx, EVP_PKEY_ED25519, EncryptedPrivateKeyInfo, der); MAKE_ENCODER(ed25519, ecx, EVP_PKEY_ED25519, EncryptedPrivateKeyInfo, pem); MAKE_ENCODER(ed25519, ecx, EVP_PKEY_ED25519, PrivateKeyInfo, der); MAKE_ENCODER(ed25519, ecx, EVP_PKEY_ED25519, PrivateKeyInfo, pem); MAKE_ENCODER(ed25519, ecx, EVP_PKEY_ED25519, SubjectPublicKeyInfo, der); MAKE_ENCODER(ed25519, ecx, EVP_PKEY_ED25519, SubjectPublicKeyInfo, pem); MAKE_ENCODER(ed448, ecx, EVP_PKEY_ED448, EncryptedPrivateKeyInfo, der); MAKE_ENCODER(ed448, ecx, EVP_PKEY_ED448, EncryptedPrivateKeyInfo, pem); MAKE_ENCODER(ed448, ecx, EVP_PKEY_ED448, PrivateKeyInfo, der); MAKE_ENCODER(ed448, ecx, EVP_PKEY_ED448, PrivateKeyInfo, pem); MAKE_ENCODER(ed448, ecx, EVP_PKEY_ED448, SubjectPublicKeyInfo, der); MAKE_ENCODER(ed448, ecx, EVP_PKEY_ED448, SubjectPublicKeyInfo, pem); MAKE_ENCODER(x25519, ecx, EVP_PKEY_X25519, EncryptedPrivateKeyInfo, der); MAKE_ENCODER(x25519, ecx, EVP_PKEY_X25519, EncryptedPrivateKeyInfo, pem); MAKE_ENCODER(x25519, ecx, EVP_PKEY_X25519, PrivateKeyInfo, der); MAKE_ENCODER(x25519, ecx, EVP_PKEY_X25519, PrivateKeyInfo, pem); MAKE_ENCODER(x25519, ecx, EVP_PKEY_X25519, SubjectPublicKeyInfo, der); MAKE_ENCODER(x25519, ecx, EVP_PKEY_X25519, SubjectPublicKeyInfo, pem); MAKE_ENCODER(x448, ecx, EVP_PKEY_ED448, EncryptedPrivateKeyInfo, der); MAKE_ENCODER(x448, ecx, EVP_PKEY_ED448, EncryptedPrivateKeyInfo, pem); MAKE_ENCODER(x448, ecx, EVP_PKEY_ED448, PrivateKeyInfo, der); MAKE_ENCODER(x448, ecx, EVP_PKEY_ED448, PrivateKeyInfo, pem); MAKE_ENCODER(x448, ecx, EVP_PKEY_ED448, SubjectPublicKeyInfo, der); MAKE_ENCODER(x448, ecx, EVP_PKEY_ED448, SubjectPublicKeyInfo, pem); #endif /* * Support for key type specific output formats. Not all key types have * this, we only aim to duplicate what is available in 1.1.1 as * i2d_TYPEPrivateKey(), i2d_TYPEPublicKey() and i2d_TYPEparams(). * For example, there are no publicly available i2d_ function for * ED25519, ED448, X25519 or X448, and they therefore only have PKCS#8 * and SubjectPublicKeyInfo implementations as implemented above. */ MAKE_ENCODER(rsa, rsa, EVP_PKEY_RSA, RSA, der); MAKE_ENCODER(rsa, rsa, EVP_PKEY_RSA, RSA, pem); #ifndef OPENSSL_NO_DH MAKE_ENCODER(dh, dh, EVP_PKEY_DH, DH, der); MAKE_ENCODER(dh, dh, EVP_PKEY_DH, DH, pem); MAKE_ENCODER(dhx, dh, EVP_PKEY_DHX, DHX, der); MAKE_ENCODER(dhx, dh, EVP_PKEY_DHX, DHX, pem); #endif #ifndef OPENSSL_NO_DSA MAKE_ENCODER(dsa, dsa, EVP_PKEY_DSA, DSA, der); MAKE_ENCODER(dsa, dsa, EVP_PKEY_DSA, DSA, pem); #endif #ifndef OPENSSL_NO_EC MAKE_ENCODER(ec, ec, EVP_PKEY_EC, EC, der); MAKE_ENCODER(ec, ec, EVP_PKEY_EC, EC, pem); # ifndef OPENSSL_NO_SM2 MAKE_ENCODER(sm2, ec, EVP_PKEY_EC, SM2, der); MAKE_ENCODER(sm2, ec, EVP_PKEY_EC, SM2, pem); # endif #endif /* Convenience structure names */ MAKE_ENCODER(rsa, rsa, EVP_PKEY_RSA, PKCS1, der); MAKE_ENCODER(rsa, rsa, EVP_PKEY_RSA, PKCS1, pem); MAKE_ENCODER(rsapss, rsa, EVP_PKEY_RSA_PSS, PKCS1, der); MAKE_ENCODER(rsapss, rsa, EVP_PKEY_RSA_PSS, PKCS1, pem); #ifndef OPENSSL_NO_DH MAKE_ENCODER(dh, dh, EVP_PKEY_DH, PKCS3, der); /* parameters only */ MAKE_ENCODER(dh, dh, EVP_PKEY_DH, PKCS3, pem); /* parameters only */ MAKE_ENCODER(dhx, dh, EVP_PKEY_DHX, X9_42, der); /* parameters only */ MAKE_ENCODER(dhx, dh, EVP_PKEY_DHX, X9_42, pem); /* parameters only */ #endif #ifndef OPENSSL_NO_EC MAKE_ENCODER(ec, ec, EVP_PKEY_EC, X9_62, der); MAKE_ENCODER(ec, ec, EVP_PKEY_EC, X9_62, pem); #endif