Add the library ctx into an ECX_KEY

[oweals/openssl.git] / crypto / ec / ecx_meth.c

diff --git a/crypto/ec/ecx_meth.c b/crypto/ec/ecx_meth.c
index 3944f483ed0b89e5c51398616567eba65e4effae..eedb1c92593b7d5cce97b1db95448bd7c1a924d4 100644 (file)
--- a/crypto/ec/ecx_meth.c
+++ b/crypto/ec/ecx_meth.c
@@ -1,5 +1,5 @@
 /*
- * Copyright 2006-2018 The OpenSSL Project Authors. All Rights Reserved.
+ * Copyright 2006-2020 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
@@ -59,7 +59,7 @@ static int ecx_key_op(EVP_PKEY *pkey, int id, const X509_ALGOR *palg,
         }
     }
 
-    key = ecx_key_new(KEYNID2TYPE(id), 1);
+    key = ecx_key_new(libctx, KEYNID2TYPE(id), 1);
     if (key == NULL) {
         ECerr(EC_F_ECX_KEY_OP, ERR_R_MALLOC_FAILURE);
         return 0;
@@ -88,23 +88,9 @@ static int ecx_key_op(EVP_PKEY *pkey, int id, const X509_ALGOR *palg,
         } else {
             memcpy(privkey, p, KEYLENID(id));
         }
-        switch (id) {
-        case EVP_PKEY_X25519:
-            X25519_public_from_private(pubkey, privkey);
-            break;
-        case EVP_PKEY_ED25519:
-            /*
-             * TODO(3.0): We set the library context to NULL for now. This will
-             * need to change.
-             */
-            ED25519_public_from_private(NULL, pubkey, privkey);
-            break;
-        case EVP_PKEY_X448:
-            X448_public_from_private(pubkey, privkey);
-            break;
-        case EVP_PKEY_ED448:
-            ED448_public_from_private(libctx, pubkey, privkey);
-            break;
+        if (!ecx_public_from_private(key)) {
+            ECerr(EC_F_ECX_KEY_OP, EC_R_FAILED_MAKING_PUBLIC_KEY);
+            goto err;
         }
     }
 
@@ -448,11 +434,12 @@ static int ecx_pkey_export_to(const EVP_PKEY *from, void *to_keydata,
     return rv;
 }
 
-static int ecx_generic_import_from(const OSSL_PARAM params[], void *key,
+static int ecx_generic_import_from(const OSSL_PARAM params[], void *vpctx,
                                    int keytype)
 {
-    EVP_PKEY *pkey = key;
-    ECX_KEY *ecx = ecx_key_new(KEYNID2TYPE(keytype), 0);
+    EVP_PKEY_CTX *pctx = vpctx;
+    EVP_PKEY *pkey = EVP_PKEY_CTX_get0_pkey(pctx);
+    ECX_KEY *ecx = ecx_key_new(pctx->libctx, KEYNID2TYPE(keytype), 0);
 
     if (ecx == NULL) {
         ERR_raise(ERR_LIB_DH, ERR_R_MALLOC_FAILURE);
@@ -467,9 +454,9 @@ static int ecx_generic_import_from(const OSSL_PARAM params[], void *key,
     return 1;
 }
 
-static int x25519_import_from(const OSSL_PARAM params[], void *key)
+static int x25519_import_from(const OSSL_PARAM params[], void *vpctx)
 {
-    return ecx_generic_import_from(params, key, EVP_PKEY_X25519);
+    return ecx_generic_import_from(params, vpctx, EVP_PKEY_X25519);
 }
 
 const EVP_PKEY_ASN1_METHOD ecx25519_asn1_meth = {
@@ -520,9 +507,9 @@ const EVP_PKEY_ASN1_METHOD ecx25519_asn1_meth = {
     ecx_priv_decode_with_libctx
 };
 
-static int x448_import_from(const OSSL_PARAM params[], void *key)
+static int x448_import_from(const OSSL_PARAM params[], void *vpctx)
 {
-    return ecx_generic_import_from(params, key, EVP_PKEY_X448);
+    return ecx_generic_import_from(params, vpctx, EVP_PKEY_X448);
 }
 
 const EVP_PKEY_ASN1_METHOD ecx448_asn1_meth = {
@@ -645,9 +632,9 @@ static int ecd_sig_info_set448(X509_SIG_INFO *siginf, const X509_ALGOR *alg,
     return 1;
 }
 
-static int ed25519_import_from(const OSSL_PARAM params[], void *key)
+static int ed25519_import_from(const OSSL_PARAM params[], void *vpctx)
 {
-    return ecx_generic_import_from(params, key, EVP_PKEY_ED25519);
+    return ecx_generic_import_from(params, vpctx, EVP_PKEY_ED25519);
 }
 
 const EVP_PKEY_ASN1_METHOD ed25519_asn1_meth = {
@@ -697,9 +684,9 @@ const EVP_PKEY_ASN1_METHOD ed25519_asn1_meth = {
     ecx_priv_decode_with_libctx
 };
 
-static int ed448_import_from(const OSSL_PARAM params[], void *key)
+static int ed448_import_from(const OSSL_PARAM params[], void *vpctx)
 {
-    return ecx_generic_import_from(params, key, EVP_PKEY_ED448);
+    return ecx_generic_import_from(params, vpctx, EVP_PKEY_ED448);
 }
 
 const EVP_PKEY_ASN1_METHOD ed448_asn1_meth = {
@@ -960,7 +947,7 @@ static int s390x_pkey_ecx_keygen25519(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey)
         0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
         0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
     };
-    ECX_KEY *key = ecx_key_new(ECX_KEY_TYPE_X25519, 1);
+    ECX_KEY *key = ecx_key_new(ctx->libctx, ECX_KEY_TYPE_X25519, 1);
     unsigned char *privkey = NULL, *pubkey;
 
     if (key == NULL) {
@@ -1002,7 +989,7 @@ static int s390x_pkey_ecx_keygen448(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey)
         0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
         0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
     };
-    ECX_KEY *key = ecx_key_new(ECX_KEY_TYPE_X448, 1);
+    ECX_KEY *key = ecx_key_new(ctx->libctx, ECX_KEY_TYPE_X448, 1);
     unsigned char *privkey = NULL, *pubkey;
 
     if (key == NULL) {
@@ -1047,7 +1034,7 @@ static int s390x_pkey_ecd_keygen25519(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey)
         0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66,
     };
     unsigned char x_dst[32], buff[SHA512_DIGEST_LENGTH];
-    ECX_KEY *key = ecx_key_new(ECX_KEY_TYPE_ED25519, 1);
+    ECX_KEY *key = ecx_key_new(ctx->libctx, ECX_KEY_TYPE_ED25519, 1);
     unsigned char *privkey = NULL, *pubkey;
     unsigned int sz;
 
@@ -1104,7 +1091,7 @@ static int s390x_pkey_ecd_keygen448(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey)
         0x24, 0xbc, 0xb6, 0x6e, 0x71, 0x46, 0x3f, 0x69, 0x00
     };
     unsigned char x_dst[57], buff[114];
-    ECX_KEY *key = ecx_key_new(ECX_KEY_TYPE_ED448, 1);
+    ECX_KEY *key = ecx_key_new(ctx->libctx, ECX_KEY_TYPE_ED448, 1);
     unsigned char *privkey = NULL, *pubkey;
     EVP_MD_CTX *hashctx = NULL;