X-Git-Url: https://git.openssl.org/?p=openssl.git;a=blobdiff_plain;f=crypto%2Fevp%2Fp_lib.c;h=95dd96e86bce03b1071a30d263f073602210dbbc;hp=234d05f270f5821526c1c162e917d6f497e0afd0;hb=b305452f69fc97c586f2f9310014e332ae1d5cd5;hpb=2f545ae45d4b93649e40ff7f93e2c3e6ce3154ae diff --git a/crypto/evp/p_lib.c b/crypto/evp/p_lib.c index 234d05f270..95dd96e86b 100644 --- a/crypto/evp/p_lib.c +++ b/crypto/evp/p_lib.c @@ -1,7 +1,7 @@ /* - * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved. + * Copyright 1995-2018 The OpenSSL Project Authors. All Rights Reserved. * - * Licensed under the OpenSSL license (the "License"). You may not use + * 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 @@ -9,6 +9,7 @@ #include #include "internal/cryptlib.h" +#include "internal/refcount.h" #include #include #include @@ -17,17 +18,29 @@ #include #include #include +#include #include +#include +#include +#include -#include "internal/asn1_int.h" -#include "internal/evp_int.h" +#include "crypto/asn1.h" +#include "crypto/evp.h" +#include "internal/provider.h" +#include "evp_local.h" -static void EVP_PKEY_free_it(EVP_PKEY *x); +static void evp_pkey_free_it(EVP_PKEY *key); + +#ifndef FIPS_MODE int EVP_PKEY_bits(const EVP_PKEY *pkey) { - if (pkey && pkey->ameth && pkey->ameth->pkey_bits) - return pkey->ameth->pkey_bits(pkey); + if (pkey != NULL) { + if (pkey->ameth == NULL) + return pkey->cache.bits; + else if (pkey->ameth->pkey_bits) + return pkey->ameth->pkey_bits(pkey); + } return 0; } @@ -35,39 +48,34 @@ int EVP_PKEY_security_bits(const EVP_PKEY *pkey) { if (pkey == NULL) return 0; - if (!pkey->ameth || !pkey->ameth->pkey_security_bits) + if (pkey->ameth == NULL) + return pkey->cache.security_bits; + if (pkey->ameth->pkey_security_bits == NULL) return -2; return pkey->ameth->pkey_security_bits(pkey); } -int EVP_PKEY_size(EVP_PKEY *pkey) -{ - if (pkey && pkey->ameth && pkey->ameth->pkey_size) - return pkey->ameth->pkey_size(pkey); - return 0; -} - int EVP_PKEY_save_parameters(EVP_PKEY *pkey, int mode) { -#ifndef OPENSSL_NO_DSA +# ifndef OPENSSL_NO_DSA if (pkey->type == EVP_PKEY_DSA) { int ret = pkey->save_parameters; if (mode >= 0) pkey->save_parameters = mode; - return (ret); + return ret; } -#endif -#ifndef OPENSSL_NO_EC +# endif +# ifndef OPENSSL_NO_EC if (pkey->type == EVP_PKEY_EC) { int ret = pkey->save_parameters; if (mode >= 0) pkey->save_parameters = mode; - return (ret); + return ret; } -#endif - return (0); +# endif + return 0; } int EVP_PKEY_copy_parameters(EVP_PKEY *to, const EVP_PKEY *from) @@ -100,7 +108,7 @@ int EVP_PKEY_copy_parameters(EVP_PKEY *to, const EVP_PKEY *from) int EVP_PKEY_missing_parameters(const EVP_PKEY *pkey) { - if (pkey->ameth && pkey->ameth->param_missing) + if (pkey != NULL && pkey->ameth && pkey->ameth->param_missing) return pkey->ameth->param_missing(pkey); return 0; } @@ -135,71 +143,43 @@ int EVP_PKEY_cmp(const EVP_PKEY *a, const EVP_PKEY *b) return -2; } -EVP_PKEY *EVP_PKEY_new(void) -{ - EVP_PKEY *ret = OPENSSL_zalloc(sizeof(*ret)); - - if (ret == NULL) { - EVPerr(EVP_F_EVP_PKEY_NEW, ERR_R_MALLOC_FAILURE); - return NULL; - } - ret->type = EVP_PKEY_NONE; - ret->save_type = EVP_PKEY_NONE; - ret->references = 1; - ret->save_parameters = 1; - ret->lock = CRYPTO_THREAD_lock_new(); - if (ret->lock == NULL) { - EVPerr(EVP_F_EVP_PKEY_NEW, ERR_R_MALLOC_FAILURE); - OPENSSL_free(ret); - return NULL; - } - return ret; -} - -int EVP_PKEY_up_ref(EVP_PKEY *pkey) -{ - int i; - - if (CRYPTO_UP_REF(&pkey->references, &i, pkey->lock) <= 0) - return 0; - - REF_PRINT_COUNT("EVP_PKEY", pkey); - REF_ASSERT_ISNT(i < 2); - return ((i > 1) ? 1 : 0); -} /* * Setup a public key ASN1 method and ENGINE from a NID or a string. If pkey * is NULL just return 1 or 0 if the algorithm exists. */ -static int pkey_set_type(EVP_PKEY *pkey, int type, const char *str, int len) +static int pkey_set_type(EVP_PKEY *pkey, ENGINE *e, int type, const char *str, + int len) { const EVP_PKEY_ASN1_METHOD *ameth; - ENGINE *e = NULL; + ENGINE **eptr = (e == NULL) ? &e : NULL; + if (pkey) { if (pkey->pkey.ptr) - EVP_PKEY_free_it(pkey); + evp_pkey_free_it(pkey); /* * If key type matches and a method exists then this lookup has * succeeded once so just indicate success. */ if ((type == pkey->save_type) && pkey->ameth) return 1; -#ifndef OPENSSL_NO_ENGINE - /* If we have an ENGINE release it */ +# ifndef OPENSSL_NO_ENGINE + /* If we have ENGINEs release them */ ENGINE_finish(pkey->engine); pkey->engine = NULL; -#endif + ENGINE_finish(pkey->pmeth_engine); + pkey->pmeth_engine = NULL; +# endif } if (str) - ameth = EVP_PKEY_asn1_find_str(&e, str, len); + ameth = EVP_PKEY_asn1_find_str(eptr, str, len); else - ameth = EVP_PKEY_asn1_find(&e, type); -#ifndef OPENSSL_NO_ENGINE - if (pkey == NULL) + ameth = EVP_PKEY_asn1_find(eptr, type); +# ifndef OPENSSL_NO_ENGINE + if (pkey == NULL && eptr != NULL) ENGINE_finish(e); -#endif +# endif if (ameth == NULL) { EVPerr(EVP_F_PKEY_SET_TYPE, EVP_R_UNSUPPORTED_ALGORITHM); return 0; @@ -214,20 +194,226 @@ static int pkey_set_type(EVP_PKEY *pkey, int type, const char *str, int len) return 1; } +EVP_PKEY *EVP_PKEY_new_raw_private_key(int type, ENGINE *e, + const unsigned char *priv, + size_t len) +{ + EVP_PKEY *ret = EVP_PKEY_new(); + + if (ret == NULL + || !pkey_set_type(ret, e, type, NULL, -1)) { + /* EVPerr already called */ + goto err; + } + + if (ret->ameth->set_priv_key == NULL) { + EVPerr(EVP_F_EVP_PKEY_NEW_RAW_PRIVATE_KEY, + EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE); + goto err; + } + + if (!ret->ameth->set_priv_key(ret, priv, len)) { + EVPerr(EVP_F_EVP_PKEY_NEW_RAW_PRIVATE_KEY, EVP_R_KEY_SETUP_FAILED); + goto err; + } + + return ret; + + err: + EVP_PKEY_free(ret); + return NULL; +} + +EVP_PKEY *EVP_PKEY_new_raw_public_key(int type, ENGINE *e, + const unsigned char *pub, + size_t len) +{ + EVP_PKEY *ret = EVP_PKEY_new(); + + if (ret == NULL + || !pkey_set_type(ret, e, type, NULL, -1)) { + /* EVPerr already called */ + goto err; + } + + if (ret->ameth->set_pub_key == NULL) { + EVPerr(EVP_F_EVP_PKEY_NEW_RAW_PUBLIC_KEY, + EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE); + goto err; + } + + if (!ret->ameth->set_pub_key(ret, pub, len)) { + EVPerr(EVP_F_EVP_PKEY_NEW_RAW_PUBLIC_KEY, EVP_R_KEY_SETUP_FAILED); + goto err; + } + + return ret; + + err: + EVP_PKEY_free(ret); + return NULL; +} + +int EVP_PKEY_get_raw_private_key(const EVP_PKEY *pkey, unsigned char *priv, + size_t *len) +{ + if (pkey->ameth->get_priv_key == NULL) { + EVPerr(EVP_F_EVP_PKEY_GET_RAW_PRIVATE_KEY, + EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE); + return 0; + } + + if (!pkey->ameth->get_priv_key(pkey, priv, len)) { + EVPerr(EVP_F_EVP_PKEY_GET_RAW_PRIVATE_KEY, EVP_R_GET_RAW_KEY_FAILED); + return 0; + } + + return 1; +} + +int EVP_PKEY_get_raw_public_key(const EVP_PKEY *pkey, unsigned char *pub, + size_t *len) +{ + if (pkey->ameth->get_pub_key == NULL) { + EVPerr(EVP_F_EVP_PKEY_GET_RAW_PUBLIC_KEY, + EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE); + return 0; + } + + if (!pkey->ameth->get_pub_key(pkey, pub, len)) { + EVPerr(EVP_F_EVP_PKEY_GET_RAW_PUBLIC_KEY, EVP_R_GET_RAW_KEY_FAILED); + return 0; + } + + return 1; +} + +EVP_PKEY *EVP_PKEY_new_CMAC_key(ENGINE *e, const unsigned char *priv, + size_t len, const EVP_CIPHER *cipher) +{ +# ifndef OPENSSL_NO_CMAC +# ifndef OPENSSL_NO_ENGINE + const char *engine_id = e != NULL ? ENGINE_get_id(e) : NULL; +# endif + const char *cipher_name = EVP_CIPHER_name(cipher); + const OSSL_PROVIDER *prov = EVP_CIPHER_provider(cipher); + OPENSSL_CTX *libctx = + prov == NULL ? NULL : ossl_provider_library_context(prov); + EVP_PKEY *ret = EVP_PKEY_new(); + EVP_MAC *cmac = EVP_MAC_fetch(libctx, OSSL_MAC_NAME_CMAC, NULL); + EVP_MAC_CTX *cmctx = cmac != NULL ? EVP_MAC_CTX_new(cmac) : NULL; + OSSL_PARAM params[4]; + size_t paramsn = 0; + + if (ret == NULL + || cmctx == NULL + || !pkey_set_type(ret, e, EVP_PKEY_CMAC, NULL, -1)) { + /* EVPerr already called */ + goto err; + } + +# ifndef OPENSSL_NO_ENGINE + if (engine_id != NULL) + params[paramsn++] = + OSSL_PARAM_construct_utf8_string("engine", (char *)engine_id, 0); +# endif + + params[paramsn++] = + OSSL_PARAM_construct_utf8_string(OSSL_MAC_PARAM_CIPHER, + (char *)cipher_name, 0); + params[paramsn++] = + OSSL_PARAM_construct_octet_string(OSSL_MAC_PARAM_KEY, + (char *)priv, len); + params[paramsn] = OSSL_PARAM_construct_end(); + + if (!EVP_MAC_CTX_set_params(cmctx, params)) { + EVPerr(EVP_F_EVP_PKEY_NEW_CMAC_KEY, EVP_R_KEY_SETUP_FAILED); + goto err; + } + + ret->pkey.ptr = cmctx; + return ret; + + err: + EVP_PKEY_free(ret); + EVP_MAC_CTX_free(cmctx); + EVP_MAC_free(cmac); + return NULL; +# else + EVPerr(EVP_F_EVP_PKEY_NEW_CMAC_KEY, + EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE); + return NULL; +# endif +} + int EVP_PKEY_set_type(EVP_PKEY *pkey, int type) { - return pkey_set_type(pkey, type, NULL, -1); + return pkey_set_type(pkey, NULL, type, NULL, -1); } int EVP_PKEY_set_type_str(EVP_PKEY *pkey, const char *str, int len) { - return pkey_set_type(pkey, EVP_PKEY_NONE, str, len); + return pkey_set_type(pkey, NULL, EVP_PKEY_NONE, str, len); +} + +int EVP_PKEY_set_alias_type(EVP_PKEY *pkey, int type) +{ + if (pkey->type == type) { + return 1; /* it already is that type */ + } + + /* + * The application is requesting to alias this to a different pkey type, + * but not one that resolves to the base type. + */ + if (EVP_PKEY_type(type) != EVP_PKEY_base_id(pkey)) { + EVPerr(EVP_F_EVP_PKEY_SET_ALIAS_TYPE, EVP_R_UNSUPPORTED_ALGORITHM); + return 0; + } + + pkey->type = type; + return 1; } +# ifndef OPENSSL_NO_ENGINE +int EVP_PKEY_set1_engine(EVP_PKEY *pkey, ENGINE *e) +{ + if (e != NULL) { + if (!ENGINE_init(e)) { + EVPerr(EVP_F_EVP_PKEY_SET1_ENGINE, ERR_R_ENGINE_LIB); + return 0; + } + if (ENGINE_get_pkey_meth(e, pkey->type) == NULL) { + ENGINE_finish(e); + EVPerr(EVP_F_EVP_PKEY_SET1_ENGINE, EVP_R_UNSUPPORTED_ALGORITHM); + return 0; + } + } + ENGINE_finish(pkey->pmeth_engine); + pkey->pmeth_engine = e; + return 1; +} + +ENGINE *EVP_PKEY_get0_engine(const EVP_PKEY *pkey) +{ + return pkey->engine; +} +# endif int EVP_PKEY_assign(EVP_PKEY *pkey, int type, void *key) { + int alias = type; + + if (EVP_PKEY_type(type) == EVP_PKEY_EC) { + const EC_GROUP *group = EC_KEY_get0_group(key); + + if (group != NULL && EC_GROUP_get_curve_name(group) == NID_sm2) + alias = EVP_PKEY_SM2; + } + if (pkey == NULL || !EVP_PKEY_set_type(pkey, type)) return 0; + if (!EVP_PKEY_set_alias_type(pkey, alias)) + return 0; pkey->pkey.ptr = key; return (key != NULL); } @@ -249,7 +435,36 @@ const unsigned char *EVP_PKEY_get0_hmac(const EVP_PKEY *pkey, size_t *len) return os->data; } -#ifndef OPENSSL_NO_RSA +# ifndef OPENSSL_NO_POLY1305 +const unsigned char *EVP_PKEY_get0_poly1305(const EVP_PKEY *pkey, size_t *len) +{ + ASN1_OCTET_STRING *os = NULL; + if (pkey->type != EVP_PKEY_POLY1305) { + EVPerr(EVP_F_EVP_PKEY_GET0_POLY1305, EVP_R_EXPECTING_A_POLY1305_KEY); + return NULL; + } + os = EVP_PKEY_get0(pkey); + *len = os->length; + return os->data; +} +# endif + +# ifndef OPENSSL_NO_SIPHASH +const unsigned char *EVP_PKEY_get0_siphash(const EVP_PKEY *pkey, size_t *len) +{ + ASN1_OCTET_STRING *os = NULL; + + if (pkey->type != EVP_PKEY_SIPHASH) { + EVPerr(EVP_F_EVP_PKEY_GET0_SIPHASH, EVP_R_EXPECTING_A_SIPHASH_KEY); + return NULL; + } + os = EVP_PKEY_get0(pkey); + *len = os->length; + return os->data; +} +# endif + +# ifndef OPENSSL_NO_RSA int EVP_PKEY_set1_RSA(EVP_PKEY *pkey, RSA *key) { int ret = EVP_PKEY_assign_RSA(pkey, key); @@ -258,9 +473,9 @@ int EVP_PKEY_set1_RSA(EVP_PKEY *pkey, RSA *key) return ret; } -RSA *EVP_PKEY_get0_RSA(EVP_PKEY *pkey) +RSA *EVP_PKEY_get0_RSA(const EVP_PKEY *pkey) { - if (pkey->type != EVP_PKEY_RSA) { + if (pkey->type != EVP_PKEY_RSA && pkey->type != EVP_PKEY_RSA_PSS) { EVPerr(EVP_F_EVP_PKEY_GET0_RSA, EVP_R_EXPECTING_AN_RSA_KEY); return NULL; } @@ -274,9 +489,9 @@ RSA *EVP_PKEY_get1_RSA(EVP_PKEY *pkey) RSA_up_ref(ret); return ret; } -#endif +# endif -#ifndef OPENSSL_NO_DSA +# ifndef OPENSSL_NO_DSA int EVP_PKEY_set1_DSA(EVP_PKEY *pkey, DSA *key) { int ret = EVP_PKEY_assign_DSA(pkey, key); @@ -285,7 +500,7 @@ int EVP_PKEY_set1_DSA(EVP_PKEY *pkey, DSA *key) return ret; } -DSA *EVP_PKEY_get0_DSA(EVP_PKEY *pkey) +DSA *EVP_PKEY_get0_DSA(const EVP_PKEY *pkey) { if (pkey->type != EVP_PKEY_DSA) { EVPerr(EVP_F_EVP_PKEY_GET0_DSA, EVP_R_EXPECTING_A_DSA_KEY); @@ -301,9 +516,9 @@ DSA *EVP_PKEY_get1_DSA(EVP_PKEY *pkey) DSA_up_ref(ret); return ret; } -#endif +# endif -#ifndef OPENSSL_NO_EC +# ifndef OPENSSL_NO_EC int EVP_PKEY_set1_EC_KEY(EVP_PKEY *pkey, EC_KEY *key) { @@ -313,9 +528,9 @@ int EVP_PKEY_set1_EC_KEY(EVP_PKEY *pkey, EC_KEY *key) return ret; } -EC_KEY *EVP_PKEY_get0_EC_KEY(EVP_PKEY *pkey) +EC_KEY *EVP_PKEY_get0_EC_KEY(const EVP_PKEY *pkey) { - if (pkey->type != EVP_PKEY_EC) { + if (EVP_PKEY_base_id(pkey) != EVP_PKEY_EC) { EVPerr(EVP_F_EVP_PKEY_GET0_EC_KEY, EVP_R_EXPECTING_A_EC_KEY); return NULL; } @@ -329,19 +544,21 @@ EC_KEY *EVP_PKEY_get1_EC_KEY(EVP_PKEY *pkey) EC_KEY_up_ref(ret); return ret; } -#endif +# endif -#ifndef OPENSSL_NO_DH +# ifndef OPENSSL_NO_DH int EVP_PKEY_set1_DH(EVP_PKEY *pkey, DH *key) { - int ret = EVP_PKEY_assign_DH(pkey, key); + int type = DH_get0_q(key) == NULL ? EVP_PKEY_DH : EVP_PKEY_DHX; + int ret = EVP_PKEY_assign(pkey, type, key); + if (ret) DH_up_ref(key); return ret; } -DH *EVP_PKEY_get0_DH(EVP_PKEY *pkey) +DH *EVP_PKEY_get0_DH(const EVP_PKEY *pkey) { if (pkey->type != EVP_PKEY_DH && pkey->type != EVP_PKEY_DHX) { EVPerr(EVP_F_EVP_PKEY_GET0_DH, EVP_R_EXPECTING_A_DH_KEY); @@ -357,7 +574,7 @@ DH *EVP_PKEY_get1_DH(EVP_PKEY *pkey) DH_up_ref(ret); return ret; } -#endif +# endif int EVP_PKEY_type(int type) { @@ -369,9 +586,9 @@ int EVP_PKEY_type(int type) ret = ameth->pkey_id; else ret = NID_undef; -#ifndef OPENSSL_NO_ENGINE +# ifndef OPENSSL_NO_ENGINE ENGINE_finish(e); -#endif +# endif return ret; } @@ -385,75 +602,139 @@ int EVP_PKEY_base_id(const EVP_PKEY *pkey) return EVP_PKEY_type(pkey->type); } -void EVP_PKEY_free(EVP_PKEY *x) -{ - int i; - if (x == NULL) - return; +static int print_reset_indent(BIO **out, int pop_f_prefix, long saved_indent) +{ + BIO_set_indent(*out, saved_indent); + if (pop_f_prefix) { + BIO *next = BIO_pop(*out); - CRYPTO_DOWN_REF(&x->references, &i, x->lock); - REF_PRINT_COUNT("EVP_PKEY", x); - if (i > 0) - return; - REF_ASSERT_ISNT(i < 0); - EVP_PKEY_free_it(x); - CRYPTO_THREAD_lock_free(x->lock); - sk_X509_ATTRIBUTE_pop_free(x->attributes, X509_ATTRIBUTE_free); - OPENSSL_free(x); + BIO_free(*out); + *out = next; + } + return 1; } -static void EVP_PKEY_free_it(EVP_PKEY *x) +static int print_set_indent(BIO **out, int *pop_f_prefix, long *saved_indent, + long indent) { - /* internal function; x is never NULL */ - if (x->ameth && x->ameth->pkey_free) { - x->ameth->pkey_free(x); - x->pkey.ptr = NULL; + *pop_f_prefix = 0; + *saved_indent = 0; + if (indent > 0) { + long i = BIO_get_indent(*out); + + *saved_indent = (i < 0 ? 0 : i); + if (BIO_set_indent(*out, indent) <= 0) { + if ((*out = BIO_push(BIO_new(BIO_f_prefix()), *out)) == NULL) + return 0; + *pop_f_prefix = 1; + } + if (BIO_set_indent(*out, indent) <= 0) { + print_reset_indent(out, *pop_f_prefix, *saved_indent); + return 0; + } } -#ifndef OPENSSL_NO_ENGINE - ENGINE_finish(x->engine); - x->engine = NULL; -#endif + return 1; } static int unsup_alg(BIO *out, const EVP_PKEY *pkey, int indent, const char *kstr) { - BIO_indent(out, indent, 128); - BIO_printf(out, "%s algorithm \"%s\" unsupported\n", - kstr, OBJ_nid2ln(pkey->type)); - return 1; + return BIO_indent(out, indent, 128) + && BIO_printf(out, "%s algorithm \"%s\" unsupported\n", + kstr, OBJ_nid2ln(pkey->type)) > 0; +} + +static int print_pkey(const EVP_PKEY *pkey, BIO *out, int indent, + const char *propquery /* For provided serialization */, + int (*legacy_print)(BIO *out, const EVP_PKEY *pkey, + int indent, ASN1_PCTX *pctx), + ASN1_PCTX *legacy_pctx /* For legacy print */) +{ + int pop_f_prefix; + long saved_indent; + OSSL_SERIALIZER_CTX *ctx = NULL; + int ret = -2; /* default to unsupported */ + + if (!print_set_indent(&out, &pop_f_prefix, &saved_indent, indent)) + return 0; + + ctx = OSSL_SERIALIZER_CTX_new_by_EVP_PKEY(pkey, propquery); + if (OSSL_SERIALIZER_CTX_get_serializer(ctx) != NULL) + ret = OSSL_SERIALIZER_to_bio(ctx, out); + OSSL_SERIALIZER_CTX_free(ctx); + + if (ret != -2) + goto end; + + /* legacy fallback */ + if (legacy_print != NULL) + ret = legacy_print(out, pkey, 0, legacy_pctx); + else + ret = unsup_alg(out, pkey, 0, "Public Key"); + + end: + print_reset_indent(&out, pop_f_prefix, saved_indent); + return ret; } int EVP_PKEY_print_public(BIO *out, const EVP_PKEY *pkey, int indent, ASN1_PCTX *pctx) { - if (pkey->ameth && pkey->ameth->pub_print) - return pkey->ameth->pub_print(out, pkey, indent, pctx); - - return unsup_alg(out, pkey, indent, "Public Key"); + return print_pkey(pkey, out, indent, OSSL_SERIALIZER_PUBKEY_TO_TEXT_PQ, + (pkey->ameth != NULL ? pkey->ameth->pub_print : NULL), + pctx); } int EVP_PKEY_print_private(BIO *out, const EVP_PKEY *pkey, int indent, ASN1_PCTX *pctx) { - if (pkey->ameth && pkey->ameth->priv_print) - return pkey->ameth->priv_print(out, pkey, indent, pctx); - - return unsup_alg(out, pkey, indent, "Private Key"); + return print_pkey(pkey, out, indent, OSSL_SERIALIZER_PrivateKey_TO_TEXT_PQ, + (pkey->ameth != NULL ? pkey->ameth->priv_print : NULL), + pctx); } int EVP_PKEY_print_params(BIO *out, const EVP_PKEY *pkey, int indent, ASN1_PCTX *pctx) { - if (pkey->ameth && pkey->ameth->param_print) - return pkey->ameth->param_print(out, pkey, indent, pctx); - return unsup_alg(out, pkey, indent, "Parameters"); + return print_pkey(pkey, out, indent, OSSL_SERIALIZER_Parameters_TO_TEXT_PQ, + (pkey->ameth != NULL ? pkey->ameth->param_print : NULL), + pctx); +} + +static int legacy_asn1_ctrl_to_param(EVP_PKEY *pkey, int op, + int arg1, void *arg2) +{ + if (pkey->pkeys[0].keymgmt == NULL) + return 0; + switch (op) { + case ASN1_PKEY_CTRL_DEFAULT_MD_NID: + { + char mdname[80] = ""; + int nid; + int rv = EVP_PKEY_get_default_digest_name(pkey, mdname, + sizeof(mdname)); + + if (rv <= 0) + return rv; + nid = OBJ_sn2nid(mdname); + if (nid == NID_undef) + nid = OBJ_ln2nid(mdname); + if (nid == NID_undef) + return 0; + *(int *)arg2 = nid; + return 1; + } + default: + return -2; + } } static int evp_pkey_asn1_ctrl(EVP_PKEY *pkey, int op, int arg1, void *arg2) { - if (pkey->ameth == NULL || pkey->ameth->pkey_ctrl == NULL) + if (pkey->ameth == NULL) + return legacy_asn1_ctrl_to_param(pkey, op, arg1, arg2); + if (pkey->ameth->pkey_ctrl == NULL) return -2; return pkey->ameth->pkey_ctrl(pkey, op, arg1, arg2); } @@ -463,6 +744,65 @@ int EVP_PKEY_get_default_digest_nid(EVP_PKEY *pkey, int *pnid) return evp_pkey_asn1_ctrl(pkey, ASN1_PKEY_CTRL_DEFAULT_MD_NID, 0, pnid); } +int EVP_PKEY_get_default_digest_name(EVP_PKEY *pkey, + char *mdname, size_t mdname_sz) +{ + if (pkey->ameth == NULL) { + OSSL_PARAM params[3]; + char mddefault[100] = ""; + char mdmandatory[100] = ""; + + params[0] = + OSSL_PARAM_construct_utf8_string(OSSL_PKEY_PARAM_DEFAULT_DIGEST, + mddefault, sizeof(mddefault)); + params[1] = + OSSL_PARAM_construct_utf8_string(OSSL_PKEY_PARAM_MANDATORY_DIGEST, + mdmandatory, + sizeof(mdmandatory)); + params[2] = OSSL_PARAM_construct_end(); + if (!evp_keymgmt_get_params(pkey->pkeys[0].keymgmt, + pkey->pkeys[0].keydata, + params)) + return 0; + if (mdmandatory[0] != '\0') { + OPENSSL_strlcpy(mdname, mdmandatory, mdname_sz); + return 2; + } + OPENSSL_strlcpy(mdname, mddefault, mdname_sz); + return 1; + } + + { + int nid = NID_undef; + int rv = EVP_PKEY_get_default_digest_nid(pkey, &nid); + const char *name = rv > 0 ? OBJ_nid2sn(nid) : NULL; + + if (rv > 0) + OPENSSL_strlcpy(mdname, name, mdname_sz); + return rv; + } +} + +int EVP_PKEY_supports_digest_nid(EVP_PKEY *pkey, int nid) +{ + int rv, default_nid; + + rv = evp_pkey_asn1_ctrl(pkey, ASN1_PKEY_CTRL_SUPPORTS_MD_NID, nid, NULL); + if (rv == -2) { + /* + * If there is a mandatory default digest and this isn't it, then + * the answer is 'no'. + */ + rv = EVP_PKEY_get_default_digest_nid(pkey, &default_nid); + if (rv == 2) + return (nid == default_nid); + /* zero is an error from EVP_PKEY_get_default_digest_nid() */ + if (rv == 0) + return -1; + } + return rv; +} + int EVP_PKEY_set1_tls_encodedpoint(EVP_PKEY *pkey, const unsigned char *pt, size_t ptlen) { @@ -482,3 +822,132 @@ size_t EVP_PKEY_get1_tls_encodedpoint(EVP_PKEY *pkey, unsigned char **ppt) return 0; return rv; } + +#endif /* FIPS_MODE */ + +/*- All methods below can also be used in FIPS_MODE */ + +EVP_PKEY *EVP_PKEY_new(void) +{ + EVP_PKEY *ret = OPENSSL_zalloc(sizeof(*ret)); + + if (ret == NULL) { + EVPerr(EVP_F_EVP_PKEY_NEW, ERR_R_MALLOC_FAILURE); + return NULL; + } + ret->type = EVP_PKEY_NONE; + ret->save_type = EVP_PKEY_NONE; + ret->references = 1; + ret->save_parameters = 1; + ret->lock = CRYPTO_THREAD_lock_new(); + if (ret->lock == NULL) { + EVPerr(EVP_F_EVP_PKEY_NEW, ERR_R_MALLOC_FAILURE); + OPENSSL_free(ret); + return NULL; + } + return ret; +} + +int EVP_PKEY_up_ref(EVP_PKEY *pkey) +{ + int i; + + if (CRYPTO_UP_REF(&pkey->references, &i, pkey->lock) <= 0) + return 0; + + REF_PRINT_COUNT("EVP_PKEY", pkey); + REF_ASSERT_ISNT(i < 2); + return ((i > 1) ? 1 : 0); +} + +static void evp_pkey_free_it(EVP_PKEY *x) +{ + /* internal function; x is never NULL */ + + evp_keymgmt_util_clear_pkey_cache(x); + + if (x->ameth && x->ameth->pkey_free) { + x->ameth->pkey_free(x); + x->pkey.ptr = NULL; + } +#if !defined(OPENSSL_NO_ENGINE) && !defined(FIPS_MODE) + ENGINE_finish(x->engine); + x->engine = NULL; + ENGINE_finish(x->pmeth_engine); + x->pmeth_engine = NULL; +#endif +} + +void EVP_PKEY_free(EVP_PKEY *x) +{ + int i; + + if (x == NULL) + return; + + CRYPTO_DOWN_REF(&x->references, &i, x->lock); + REF_PRINT_COUNT("EVP_PKEY", x); + if (i > 0) + return; + REF_ASSERT_ISNT(i < 0); + evp_pkey_free_it(x); + CRYPTO_THREAD_lock_free(x->lock); +#ifndef FIPS_MODE + sk_X509_ATTRIBUTE_pop_free(x->attributes, X509_ATTRIBUTE_free); +#endif + OPENSSL_free(x); +} + +int EVP_PKEY_size(const EVP_PKEY *pkey) +{ + if (pkey != NULL) { + if (pkey->ameth == NULL) + return pkey->cache.size; + else if (pkey->ameth->pkey_size != NULL) + return pkey->ameth->pkey_size(pkey); + } + return 0; +} + +void *evp_pkey_make_provided(EVP_PKEY *pk, OPENSSL_CTX *libctx, + EVP_KEYMGMT **keymgmt, const char *propquery) +{ + EVP_KEYMGMT *allocated_keymgmt = NULL; + EVP_KEYMGMT *tmp_keymgmt = NULL; + void *keydata = NULL; + + if (pk == NULL) + return NULL; + + if (keymgmt != NULL) { + tmp_keymgmt = *keymgmt; + *keymgmt = NULL; + } + + if (tmp_keymgmt == NULL) { + EVP_PKEY_CTX *ctx = EVP_PKEY_CTX_new_from_pkey(libctx, pk, propquery); + + if (ctx != NULL && ctx->keytype != NULL) + tmp_keymgmt = allocated_keymgmt = + EVP_KEYMGMT_fetch(ctx->libctx, ctx->keytype, propquery); + EVP_PKEY_CTX_free(ctx); + } + + if (tmp_keymgmt != NULL) + keydata = + evp_keymgmt_util_export_to_provider(pk, tmp_keymgmt); + + /* + * If nothing was exported, |tmp_keymgmt| might point at a freed + * EVP_KEYMGMT, so we clear it to be safe. It shouldn't be useful for + * the caller either way in that case. + */ + if (keydata == NULL) + tmp_keymgmt = NULL; + + if (keymgmt != NULL) + *keymgmt = tmp_keymgmt; + + EVP_KEYMGMT_free(allocated_keymgmt); + return keydata; +}