1 files changed, 161 insertions, 0 deletions
diff --git a/openssl-1.1.0h/crypto/cmac/cm_pmeth.c b/openssl-1.1.0h/crypto/cmac/cm_pmeth.c
new file mode 100644
index 0000000..10748f1
--- /dev/null
+++ b/openssl-1.1.0h/crypto/cmac/cm_pmeth.c
@@ -0,0 +1,161 @@
+/*
+ * Copyright 2010-2016 The OpenSSL Project Authors. All Rights Reserved.
+ *
+ * Licensed under the OpenSSL license (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 <stdio.h>
+#include "internal/cryptlib.h"
+#include <openssl/x509.h>
+#include <openssl/x509v3.h>
+#include <openssl/evp.h>
+#include <openssl/cmac.h>
+#include "internal/evp_int.h"
+
+/* The context structure and "key" is simply a CMAC_CTX */
+
+static int pkey_cmac_init(EVP_PKEY_CTX *ctx)
+{
+    ctx->data = CMAC_CTX_new();
+    if (ctx->data == NULL)
+        return 0;
+    ctx->keygen_info_count = 0;
+    return 1;
+}
+
+static int pkey_cmac_copy(EVP_PKEY_CTX *dst, EVP_PKEY_CTX *src)
+{
+    if (!pkey_cmac_init(dst))
+        return 0;
+    if (!CMAC_CTX_copy(dst->data, src->data))
+        return 0;
+    return 1;
+}
+
+static void pkey_cmac_cleanup(EVP_PKEY_CTX *ctx)
+{
+    CMAC_CTX_free(ctx->data);
+}
+
+static int pkey_cmac_keygen(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey)
+{
+    CMAC_CTX *cmkey = CMAC_CTX_new();
+    CMAC_CTX *cmctx = ctx->data;
+    if (cmkey == NULL)
+        return 0;
+    if (!CMAC_CTX_copy(cmkey, cmctx)) {
+        CMAC_CTX_free(cmkey);
+        return 0;
+    }
+    EVP_PKEY_assign(pkey, EVP_PKEY_CMAC, cmkey);
+
+    return 1;
+}
+
+static int int_update(EVP_MD_CTX *ctx, const void *data, size_t count)
+{
+    if (!CMAC_Update(EVP_MD_CTX_pkey_ctx(ctx)->data, data, count))
+        return 0;
+    return 1;
+}
+
+static int cmac_signctx_init(EVP_PKEY_CTX *ctx, EVP_MD_CTX *mctx)
+{
+    EVP_MD_CTX_set_flags(mctx, EVP_MD_CTX_FLAG_NO_INIT);
+    EVP_MD_CTX_set_update_fn(mctx, int_update);
+    return 1;
+}
+
+static int cmac_signctx(EVP_PKEY_CTX *ctx, unsigned char *sig, size_t *siglen,
+                        EVP_MD_CTX *mctx)
+{
+    return CMAC_Final(ctx->data, sig, siglen);
+}
+
+static int pkey_cmac_ctrl(EVP_PKEY_CTX *ctx, int type, int p1, void *p2)
+{
+    CMAC_CTX *cmctx = ctx->data;
+    switch (type) {
+
+    case EVP_PKEY_CTRL_SET_MAC_KEY:
+        if (!p2 || p1 < 0)
+            return 0;
+        if (!CMAC_Init(cmctx, p2, p1, NULL, NULL))
+            return 0;
+        break;
+
+    case EVP_PKEY_CTRL_CIPHER:
+        if (!CMAC_Init(cmctx, NULL, 0, p2, ctx->engine))
+            return 0;
+        break;
+
+    case EVP_PKEY_CTRL_MD:
+        if (ctx->pkey && !CMAC_CTX_copy(ctx->data,
+                                        (CMAC_CTX *)ctx->pkey->pkey.ptr))
+            return 0;
+        if (!CMAC_Init(cmctx, NULL, 0, NULL, NULL))
+            return 0;
+        break;
+
+    default:
+        return -2;
+
+    }
+    return 1;
+}
+
+static int pkey_cmac_ctrl_str(EVP_PKEY_CTX *ctx,
+                              const char *type, const char *value)
+{
+    if (!value) {
+        return 0;
+    }
+    if (strcmp(type, "cipher") == 0) {
+        const EVP_CIPHER *c;
+        c = EVP_get_cipherbyname(value);
+        if (!c)
+            return 0;
+        return pkey_cmac_ctrl(ctx, EVP_PKEY_CTRL_CIPHER, -1, (void *)c);
+    }
+    if (strcmp(type, "key") == 0)
+        return EVP_PKEY_CTX_str2ctrl(ctx, EVP_PKEY_CTRL_SET_MAC_KEY, value);
+    if (strcmp(type, "hexkey") == 0)
+        return EVP_PKEY_CTX_hex2ctrl(ctx, EVP_PKEY_CTRL_SET_MAC_KEY, value);
+    return -2;
+}
+
+const EVP_PKEY_METHOD cmac_pkey_meth = {
+    EVP_PKEY_CMAC,
+    EVP_PKEY_FLAG_SIGCTX_CUSTOM,
+    pkey_cmac_init,
+    pkey_cmac_copy,
+    pkey_cmac_cleanup,
+
+    0, 0,
+
+    0,
+    pkey_cmac_keygen,
+
+    0, 0,
+
+    0, 0,
+
+    0, 0,
+
+    cmac_signctx_init,
+    cmac_signctx,
+
+    0, 0,
+
+    0, 0,
+
+    0, 0,
+
+    0, 0,
+
+    pkey_cmac_ctrl,
+    pkey_cmac_ctrl_str
+};