Added an explicit yield (OP_SLEEP) to QUIC testing for cooperative threading.
[openssl.git] / crypto / evp / evp_pkey.c
index b049420d0bafea1d64e7a26adda41454d89d9484..a4505a9d036c5ab5a8244f0c9d7051ed6c5eb340 100644 (file)
@@ -1,5 +1,5 @@
 /*
- * Copyright 1999-2020 The OpenSSL Project Authors. All Rights Reserved.
+ * Copyright 1999-2023 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
 #include <openssl/x509.h>
 #include <openssl/rand.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_ex(const PKCS8_PRIV_KEY_INFO *p8, OSSL_LIB_CTX *libctx,
-                            const char *propq)
+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;
@@ -31,7 +33,7 @@ EVP_PKEY *EVP_PKCS82PKEY_ex(const PKCS8_PRIV_KEY_INFO *p8, OSSL_LIB_CTX *libctx,
         return NULL;
 
     if ((pkey = EVP_PKEY_new()) == NULL) {
-        ERR_raise(ERR_LIB_EVP, ERR_R_MALLOC_FAILURE);
+        ERR_raise(ERR_LIB_EVP, ERR_R_EVP_LIB);
         return NULL;
     }
 
@@ -62,6 +64,56 @@ EVP_PKEY *EVP_PKCS82PKEY_ex(const PKCS8_PRIV_KEY_INFO *p8, OSSL_LIB_CTX *libctx,
     return NULL;
 }
 
+EVP_PKEY *EVP_PKCS82PKEY_ex(const PKCS8_PRIV_KEY_INFO *p8, OSSL_LIB_CTX *libctx,
+                            const char *propq)
+{
+    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 (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);
@@ -81,15 +133,13 @@ PKCS8_PRIV_KEY_INFO *EVP_PKEY2PKCS8(const EVP_PKEY *pkey)
      */
     if (evp_pkey_is_provided(pkey)) {
         int selection = OSSL_KEYMGMT_SELECT_ALL;
-        const OSSL_PROVIDER *prov = EVP_KEYMGMT_provider(pkey->keymgmt);
-        OSSL_LIB_CTX *libctx = ossl_provider_libctx(prov);
         unsigned char *der = NULL;
         size_t derlen = 0;
         const unsigned char *pp;
 
-        if ((ctx = OSSL_ENCODER_CTX_new_by_EVP_PKEY(pkey, selection,
-                                                    "DER", "pkcs8",
-                                                    libctx, NULL)) == NULL
+        if ((ctx = OSSL_ENCODER_CTX_new_for_pkey(pkey, selection,
+                                                 "DER", "PrivateKeyInfo",
+                                                 NULL)) == NULL
             || !OSSL_ENCODER_to_data(ctx, &der, &derlen))
             goto error;
 
@@ -101,7 +151,7 @@ PKCS8_PRIV_KEY_INFO *EVP_PKEY2PKCS8(const EVP_PKEY *pkey)
     } else {
         p8 = PKCS8_PRIV_KEY_INFO_new();
         if (p8  == NULL) {
-            ERR_raise(ERR_LIB_EVP, ERR_R_MALLOC_FAILURE);
+            ERR_raise(ERR_LIB_EVP, ERR_R_ASN1_LIB);
             return NULL;
         }
 
@@ -192,13 +242,13 @@ int EVP_PKEY_add1_attr_by_txt(EVP_PKEY *key,
     return 0;
 }
 
-const char *EVP_PKEY_get0_first_alg_name(const EVP_PKEY *key)
+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_first_name(key->keymgmt);
+        return EVP_KEYMGMT_get0_name(key->keymgmt);
 
     /* Otherwise fallback to legacy */
     ameth = EVP_PKEY_get0_asn1(key);
@@ -208,3 +258,10 @@ const char *EVP_PKEY_get0_first_alg_name(const EVP_PKEY *key)
 
     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;
+}