Upgrade openssl from 1.1.0e to 1.1.1b, with source code. 4.0.78

trunk/3rdparty/openssl-1.1-fit/crypto/siphash/siphash_pmeth.c

@@ -0,0 +1,205 @@
+/*
+ * Copyright 2007-2018 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/err.h>
+#include "internal/siphash.h"
+#include "siphash_local.h"
+#include "internal/evp_int.h"
+
+/* SIPHASH pkey context structure */
+
+typedef struct siphash_pkey_ctx_st {
+    ASN1_OCTET_STRING ktmp;     /* Temp storage for key */
+    SIPHASH ctx;
+} SIPHASH_PKEY_CTX;
+
+static int pkey_siphash_init(EVP_PKEY_CTX *ctx)
+{
+    SIPHASH_PKEY_CTX *pctx;
+
+    if ((pctx = OPENSSL_zalloc(sizeof(*pctx))) == NULL) {
+        CRYPTOerr(CRYPTO_F_PKEY_SIPHASH_INIT, ERR_R_MALLOC_FAILURE);
+        return 0;
+    }
+    pctx->ktmp.type = V_ASN1_OCTET_STRING;
+
+    EVP_PKEY_CTX_set_data(ctx, pctx);
+    EVP_PKEY_CTX_set0_keygen_info(ctx, NULL, 0);
+    return 1;
+}
+
+static void pkey_siphash_cleanup(EVP_PKEY_CTX *ctx)
+{
+    SIPHASH_PKEY_CTX *pctx = EVP_PKEY_CTX_get_data(ctx);
+
+    if (pctx != NULL) {
+        OPENSSL_clear_free(pctx->ktmp.data, pctx->ktmp.length);
+        OPENSSL_clear_free(pctx, sizeof(*pctx));
+        EVP_PKEY_CTX_set_data(ctx, NULL);
+    }
+}
+
+static int pkey_siphash_copy(EVP_PKEY_CTX *dst, EVP_PKEY_CTX *src)
+{
+    SIPHASH_PKEY_CTX *sctx, *dctx;
+
+    /* allocate memory for dst->data and a new SIPHASH_CTX in dst->data->ctx */
+    if (!pkey_siphash_init(dst))
+        return 0;
+    sctx = EVP_PKEY_CTX_get_data(src);
+    dctx = EVP_PKEY_CTX_get_data(dst);
+    if (ASN1_STRING_get0_data(&sctx->ktmp) != NULL &&
+        !ASN1_STRING_copy(&dctx->ktmp, &sctx->ktmp)) {
+        /* cleanup and free the SIPHASH_PKEY_CTX in dst->data */
+        pkey_siphash_cleanup(dst);
+        return 0;
+    }
+    memcpy(&dctx->ctx, &sctx->ctx, sizeof(SIPHASH));
+    return 1;
+}
+
+static int pkey_siphash_keygen(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey)
+{
+    ASN1_OCTET_STRING *key;
+    SIPHASH_PKEY_CTX *pctx = EVP_PKEY_CTX_get_data(ctx);
+
+    if (ASN1_STRING_get0_data(&pctx->ktmp) == NULL)
+        return 0;
+    key = ASN1_OCTET_STRING_dup(&pctx->ktmp);
+    if (key == NULL)
+        return 0;
+    return EVP_PKEY_assign_SIPHASH(pkey, key);
+}
+
+static int int_update(EVP_MD_CTX *ctx, const void *data, size_t count)
+{
+    SIPHASH_PKEY_CTX *pctx = EVP_PKEY_CTX_get_data(EVP_MD_CTX_pkey_ctx(ctx));
+
+    SipHash_Update(&pctx->ctx, data, count);
+    return 1;
+}
+
+static int siphash_signctx_init(EVP_PKEY_CTX *ctx, EVP_MD_CTX *mctx)
+{
+    SIPHASH_PKEY_CTX *pctx = EVP_PKEY_CTX_get_data(ctx);
+    const unsigned char* key;
+    size_t len;
+
+    key = EVP_PKEY_get0_siphash(EVP_PKEY_CTX_get0_pkey(ctx), &len);
+    if (key == NULL || len != SIPHASH_KEY_SIZE)
+        return 0;
+    EVP_MD_CTX_set_flags(mctx, EVP_MD_CTX_FLAG_NO_INIT);
+    EVP_MD_CTX_set_update_fn(mctx, int_update);
+    return SipHash_Init(&pctx->ctx, key, 0, 0);
+}
+static int siphash_signctx(EVP_PKEY_CTX *ctx, unsigned char *sig, size_t *siglen,
+                            EVP_MD_CTX *mctx)
+{
+    SIPHASH_PKEY_CTX *pctx = ctx->data;
+
+    *siglen = SipHash_hash_size(&pctx->ctx);
+    if (sig != NULL)
+        return SipHash_Final(&pctx->ctx, sig, *siglen);
+    return 1;
+}
+
+static int pkey_siphash_ctrl(EVP_PKEY_CTX *ctx, int type, int p1, void *p2)
+{
+    SIPHASH_PKEY_CTX *pctx = EVP_PKEY_CTX_get_data(ctx);
+    const unsigned char *key;
+    size_t len;
+
+    switch (type) {
+
+    case EVP_PKEY_CTRL_MD:
+        /* ignore */
+        break;
+
+    case EVP_PKEY_CTRL_SET_DIGEST_SIZE:
+        return SipHash_set_hash_size(&pctx->ctx, p1);
+
+    case EVP_PKEY_CTRL_SET_MAC_KEY:
+    case EVP_PKEY_CTRL_DIGESTINIT:
+        if (type == EVP_PKEY_CTRL_SET_MAC_KEY) {
+            /* user explicitly setting the key */
+            key = p2;
+            len = p1;
+        } else {
+            /* user indirectly setting the key via EVP_DigestSignInit */
+            key = EVP_PKEY_get0_siphash(EVP_PKEY_CTX_get0_pkey(ctx), &len);
+        }
+        if (key == NULL || len != SIPHASH_KEY_SIZE ||
+            !ASN1_OCTET_STRING_set(&pctx->ktmp, key, len))
+            return 0;
+        /* use default rounds (2,4) */
+        return SipHash_Init(&pctx->ctx, ASN1_STRING_get0_data(&pctx->ktmp),
+                            0, 0);
+
+    default:
+        return -2;
+
+    }
+    return 1;
+}
+
+static int pkey_siphash_ctrl_str(EVP_PKEY_CTX *ctx,
+                                  const char *type, const char *value)
+{
+    if (value == NULL)
+        return 0;
+    if (strcmp(type, "digestsize") == 0) {
+        size_t hash_size = atoi(value);
+
+        return pkey_siphash_ctrl(ctx, EVP_PKEY_CTRL_SET_DIGEST_SIZE, hash_size,
+                                 NULL);
+    }
+    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 siphash_pkey_meth = {
+    EVP_PKEY_SIPHASH,
+    EVP_PKEY_FLAG_SIGCTX_CUSTOM, /* we don't deal with a separate MD */
+    pkey_siphash_init,
+    pkey_siphash_copy,
+    pkey_siphash_cleanup,
+
+    0, 0,
+
+    0,
+    pkey_siphash_keygen,
+
+    0, 0,
+
+    0, 0,
+
+    0, 0,
+
+    siphash_signctx_init,
+    siphash_signctx,
+
+    0, 0,
+
+    0, 0,
+
+    0, 0,
+
+    0, 0,
+
+    pkey_siphash_ctrl,
+    pkey_siphash_ctrl_str
+};