/*
- * Copyright 1999-2016 The OpenSSL Project Authors. All Rights Reserved.
+ * Copyright 1999-2021 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
#include "internal/cryptlib.h"
#include <openssl/x509.h>
#include <openssl/rand.h>
-#include "internal/asn1_int.h"
-#include "internal/evp_int.h"
-#include "internal/x509_int.h"
+#include <openssl/encoder.h>
+#include <openssl/decoder.h>
+#include "internal/provider.h"
+#include "internal/sizes.h"
+#include "crypto/asn1.h"
+#include "crypto/evp.h"
+#include "crypto/x509.h"
/* Extract a private key from a PKCS8 structure */
-EVP_PKEY *EVP_PKCS82PKEY(const PKCS8_PRIV_KEY_INFO *p8)
+EVP_PKEY *evp_pkcs82pkey_legacy(const PKCS8_PRIV_KEY_INFO *p8, OSSL_LIB_CTX *libctx,
+ const char *propq)
{
EVP_PKEY *pkey = NULL;
const ASN1_OBJECT *algoid;
return NULL;
if ((pkey = EVP_PKEY_new()) == NULL) {
- EVPerr(EVP_F_EVP_PKCS82PKEY, ERR_R_MALLOC_FAILURE);
+ ERR_raise(ERR_LIB_EVP, ERR_R_EVP_LIB);
return NULL;
}
if (!EVP_PKEY_set_type(pkey, OBJ_obj2nid(algoid))) {
- EVPerr(EVP_F_EVP_PKCS82PKEY, EVP_R_UNSUPPORTED_PRIVATE_KEY_ALGORITHM);
i2t_ASN1_OBJECT(obj_tmp, 80, algoid);
- ERR_add_error_data(2, "TYPE=", obj_tmp);
+ ERR_raise_data(ERR_LIB_EVP, EVP_R_UNSUPPORTED_PRIVATE_KEY_ALGORITHM,
+ "TYPE=%s", obj_tmp);
goto error;
}
- if (pkey->ameth->priv_decode) {
+ if (pkey->ameth->priv_decode_ex != NULL) {
+ if (!pkey->ameth->priv_decode_ex(pkey, p8, libctx, propq))
+ goto error;
+ } else if (pkey->ameth->priv_decode != NULL) {
if (!pkey->ameth->priv_decode(pkey, p8)) {
- EVPerr(EVP_F_EVP_PKCS82PKEY, EVP_R_PRIVATE_KEY_DECODE_ERROR);
+ ERR_raise(ERR_LIB_EVP, EVP_R_PRIVATE_KEY_DECODE_ERROR);
goto error;
}
} else {
- EVPerr(EVP_F_EVP_PKCS82PKEY, EVP_R_METHOD_NOT_SUPPORTED);
+ ERR_raise(ERR_LIB_EVP, EVP_R_METHOD_NOT_SUPPORTED);
goto error;
}
return NULL;
}
-/* Turn a private key into a PKCS8 structure */
-
-PKCS8_PRIV_KEY_INFO *EVP_PKEY2PKCS8(EVP_PKEY *pkey)
+EVP_PKEY *EVP_PKCS82PKEY_ex(const PKCS8_PRIV_KEY_INFO *p8, OSSL_LIB_CTX *libctx,
+ const char *propq)
{
- PKCS8_PRIV_KEY_INFO *p8 = PKCS8_PRIV_KEY_INFO_new();
- if (p8 == NULL) {
- EVPerr(EVP_F_EVP_PKEY2PKCS8, ERR_R_MALLOC_FAILURE);
+ EVP_PKEY *pkey = NULL;
+ const unsigned char *p8_data = NULL;
+ unsigned char *encoded_data = NULL;
+ int encoded_len;
+ int selection;
+ size_t len;
+ OSSL_DECODER_CTX *dctx = NULL;
+ const ASN1_OBJECT *algoid = NULL;
+ char keytype[OSSL_MAX_NAME_SIZE];
+
+ if (p8 == NULL
+ || !PKCS8_pkey_get0(&algoid, NULL, NULL, NULL, p8)
+ || !OBJ_obj2txt(keytype, sizeof(keytype), algoid, 0))
return NULL;
+
+ if ((encoded_len = i2d_PKCS8_PRIV_KEY_INFO(p8, &encoded_data)) <= 0
+ || encoded_data == NULL)
+ return NULL;
+
+ p8_data = encoded_data;
+ len = encoded_len;
+ selection = EVP_PKEY_KEYPAIR | EVP_PKEY_KEY_PARAMETERS;
+ dctx = OSSL_DECODER_CTX_new_for_pkey(&pkey, "DER", "PrivateKeyInfo",
+ keytype, selection, libctx, propq);
+
+ if (dctx != NULL && OSSL_DECODER_CTX_get_num_decoders(dctx) == 0) {
+ OSSL_DECODER_CTX_free(dctx);
+
+ /*
+ * This could happen if OBJ_obj2txt() returned a text OID and the
+ * decoder has not got that OID as an alias. We fall back to a NULL
+ * keytype
+ */
+ dctx = OSSL_DECODER_CTX_new_for_pkey(&pkey, "DER", "PrivateKeyInfo",
+ NULL, selection, libctx, propq);
}
- if (pkey->ameth) {
- if (pkey->ameth->priv_encode) {
- if (!pkey->ameth->priv_encode(p8, pkey)) {
- EVPerr(EVP_F_EVP_PKEY2PKCS8, EVP_R_PRIVATE_KEY_ENCODE_ERROR);
+ if (dctx == NULL
+ || !OSSL_DECODER_from_data(dctx, &p8_data, &len))
+ /* try legacy */
+ pkey = evp_pkcs82pkey_legacy(p8, libctx, propq);
+
+ OPENSSL_clear_free(encoded_data, encoded_len);
+ OSSL_DECODER_CTX_free(dctx);
+ return pkey;
+}
+
+EVP_PKEY *EVP_PKCS82PKEY(const PKCS8_PRIV_KEY_INFO *p8)
+{
+ return EVP_PKCS82PKEY_ex(p8, NULL, NULL);
+}
+
+/* Turn a private key into a PKCS8 structure */
+
+PKCS8_PRIV_KEY_INFO *EVP_PKEY2PKCS8(const EVP_PKEY *pkey)
+{
+ PKCS8_PRIV_KEY_INFO *p8 = NULL;
+ OSSL_ENCODER_CTX *ctx = NULL;
+
+ /*
+ * The implementation for provider-native keys is to encode the
+ * key to a DER encoded PKCS#8 structure, then convert it to a
+ * PKCS8_PRIV_KEY_INFO with good old d2i functions.
+ */
+ if (evp_pkey_is_provided(pkey)) {
+ int selection = OSSL_KEYMGMT_SELECT_ALL;
+ unsigned char *der = NULL;
+ size_t derlen = 0;
+ const unsigned char *pp;
+
+ if ((ctx = OSSL_ENCODER_CTX_new_for_pkey(pkey, selection,
+ "DER", "PrivateKeyInfo",
+ NULL)) == NULL
+ || !OSSL_ENCODER_to_data(ctx, &der, &derlen))
+ goto error;
+
+ pp = der;
+ p8 = d2i_PKCS8_PRIV_KEY_INFO(NULL, &pp, (long)derlen);
+ OPENSSL_free(der);
+ if (p8 == NULL)
+ goto error;
+ } else {
+ p8 = PKCS8_PRIV_KEY_INFO_new();
+ if (p8 == NULL) {
+ ERR_raise(ERR_LIB_EVP, ERR_R_ASN1_LIB);
+ return NULL;
+ }
+
+ if (pkey->ameth != NULL) {
+ if (pkey->ameth->priv_encode != NULL) {
+ if (!pkey->ameth->priv_encode(p8, pkey)) {
+ ERR_raise(ERR_LIB_EVP, EVP_R_PRIVATE_KEY_ENCODE_ERROR);
+ goto error;
+ }
+ } else {
+ ERR_raise(ERR_LIB_EVP, EVP_R_METHOD_NOT_SUPPORTED);
goto error;
}
} else {
- EVPerr(EVP_F_EVP_PKEY2PKCS8, EVP_R_METHOD_NOT_SUPPORTED);
+ ERR_raise(ERR_LIB_EVP, EVP_R_UNSUPPORTED_PRIVATE_KEY_ALGORITHM);
goto error;
}
- } else {
- EVPerr(EVP_F_EVP_PKEY2PKCS8, EVP_R_UNSUPPORTED_PRIVATE_KEY_ALGORITHM);
- goto error;
}
- return p8;
+ goto end;
error:
PKCS8_PRIV_KEY_INFO_free(p8);
- return NULL;
+ p8 = NULL;
+ end:
+ OSSL_ENCODER_CTX_free(ctx);
+ return p8;
+
}
/* EVP_PKEY attribute functions */
return 1;
return 0;
}
+
+const char *EVP_PKEY_get0_type_name(const EVP_PKEY *key)
+{
+ const EVP_PKEY_ASN1_METHOD *ameth;
+ const char *name = NULL;
+
+ if (key->keymgmt != NULL)
+ return EVP_KEYMGMT_get0_name(key->keymgmt);
+
+ /* Otherwise fallback to legacy */
+ ameth = EVP_PKEY_get0_asn1(key);
+ if (ameth != NULL)
+ EVP_PKEY_asn1_get0_info(NULL, NULL,
+ NULL, NULL, &name, ameth);
+
+ return name;
+}
+
+const OSSL_PROVIDER *EVP_PKEY_get0_provider(const EVP_PKEY *key)
+{
+ if (evp_pkey_is_provided(key))
+ return EVP_KEYMGMT_get0_provider(key->keymgmt);
+ return NULL;
+}
projects / openssl.git / blobdiff