add original 3.5.0 and replace with 3.1.7. NOTE:- This commit will NOT COMPILE. (#15)

Reviewed-on: http://13.234.246.121:3000/Neominds/ossl35vx69/pulls/15 Co-authored-by: siddhant <siddhant.singh@neominds.in> Co-committed-by: siddhant <siddhant.singh@neominds.in>
2026-07-30 19:33:26 +05:30
parent acd9f48661
commit aa39b3781a
5847 changed files with 410575 additions and 71388 deletions
@@ -0,0 +1,30 @@
+/*
+ * Generated by util/mkerr.pl DO NOT EDIT
+ * Copyright 1995-2021 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
+ * in the file LICENSE in the source distribution or at
+ * https://www.openssl.org/source/license.html
+ */
+
+#include <openssl/err.h>
+#include <openssl/buffererr.h>
+#include "crypto/buffererr.h"
+
+#ifndef OPENSSL_NO_ERR
+
+static const ERR_STRING_DATA BUF_str_reasons[] = {
+    {0, NULL}
+};
+
+#endif
+
+int ossl_err_load_BUF_strings(void)
+{
+#ifndef OPENSSL_NO_ERR
+    if (ERR_reason_error_string(BUF_str_reasons[0].error) == NULL)
+        ERR_load_strings_const(BUF_str_reasons);
+#endif
+    return 1;
+}
@@ -0,0 +1,161 @@
+/*
+ * Copyright 1995-2020 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
+ * 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/buffer.h>
+
+/*
+ * LIMIT_BEFORE_EXPANSION is the maximum n such that (n+3)/3*4 < 2**31. That
+ * function is applied in several functions in this file and this limit
+ * ensures that the result fits in an int.
+ */
+#define LIMIT_BEFORE_EXPANSION 0x5ffffffc
+
+BUF_MEM *BUF_MEM_new_ex(unsigned long flags)
+{
+    BUF_MEM *ret;
+
+    ret = BUF_MEM_new();
+    if (ret != NULL)
+        ret->flags = flags;
+    return ret;
+}
+
+BUF_MEM *BUF_MEM_new(void)
+{
+    BUF_MEM *ret;
+
+    ret = OPENSSL_zalloc(sizeof(*ret));
+    if (ret == NULL)
+        return NULL;
+    return ret;
+}
+
+void BUF_MEM_free(BUF_MEM *a)
+{
+    if (a == NULL)
+        return;
+    if (a->data != NULL) {
+        if (a->flags & BUF_MEM_FLAG_SECURE)
+            OPENSSL_secure_clear_free(a->data, a->max);
+        else
+            OPENSSL_clear_free(a->data, a->max);
+    }
+    OPENSSL_free(a);
+}
+
+/* Allocate a block of secure memory; copy over old data if there
+ * was any, and then free it. */
+static char *sec_alloc_realloc(BUF_MEM *str, size_t len)
+{
+    char *ret;
+
+    ret = OPENSSL_secure_malloc(len);
+    if (str->data != NULL) {
+        if (ret != NULL) {
+            memcpy(ret, str->data, str->length);
+            OPENSSL_secure_clear_free(str->data, str->length);
+            str->data = NULL;
+        }
+    }
+    return ret;
+}
+
+size_t BUF_MEM_grow(BUF_MEM *str, size_t len)
+{
+    char *ret;
+    size_t n;
+
+    if (str->length >= len) {
+        str->length = len;
+        return len;
+    }
+    if (str->max >= len) {
+        if (str->data != NULL)
+            memset(&str->data[str->length], 0, len - str->length);
+        str->length = len;
+        return len;
+    }
+    /* This limit is sufficient to ensure (len+3)/3*4 < 2**31 */
+    if (len > LIMIT_BEFORE_EXPANSION) {
+        ERR_raise(ERR_LIB_BUF, ERR_R_PASSED_INVALID_ARGUMENT);
+        return 0;
+    }
+    n = (len + 3) / 3 * 4;
+    if ((str->flags & BUF_MEM_FLAG_SECURE))
+        ret = sec_alloc_realloc(str, n);
+    else
+        ret = OPENSSL_realloc(str->data, n);
+    if (ret == NULL) {
+        len = 0;
+    } else {
+        str->data = ret;
+        str->max = n;
+        memset(&str->data[str->length], 0, len - str->length);
+        str->length = len;
+    }
+    return len;
+}
+
+size_t BUF_MEM_grow_clean(BUF_MEM *str, size_t len)
+{
+    char *ret;
+    size_t n;
+
+    if (str->length >= len) {
+        if (str->data != NULL)
+            memset(&str->data[len], 0, str->length - len);
+        str->length = len;
+        return len;
+    }
+    if (str->max >= len) {
+        memset(&str->data[str->length], 0, len - str->length);
+        str->length = len;
+        return len;
+    }
+    /* This limit is sufficient to ensure (len+3)/3*4 < 2**31 */
+    if (len > LIMIT_BEFORE_EXPANSION) {
+        ERR_raise(ERR_LIB_BUF, ERR_R_PASSED_INVALID_ARGUMENT);
+        return 0;
+    }
+    n = (len + 3) / 3 * 4;
+    if ((str->flags & BUF_MEM_FLAG_SECURE))
+        ret = sec_alloc_realloc(str, n);
+    else
+        ret = OPENSSL_clear_realloc(str->data, str->max, n);
+    if (ret == NULL) {
+        len = 0;
+    } else {
+        str->data = ret;
+        str->max = n;
+        memset(&str->data[str->length], 0, len - str->length);
+        str->length = len;
+    }
+    return len;
+}
+
+void BUF_reverse(unsigned char *out, const unsigned char *in, size_t size)
+{
+    size_t i;
+    if (in) {
+        out += size - 1;
+        for (i = 0; i < size; i++)
+            *out-- = *in++;
+    } else {
+        unsigned char *q;
+        char c;
+        q = out + size - 1;
+        for (i = 0; i < size / 2; i++) {
+            c = *q;
+            *q-- = *out;
+            *out++ = c;
+        }
+    }
+}
@@ -0,0 +1,3 @@
+LIBS=../../libcrypto
+SOURCE[../../libcrypto]=buffer.c buf_err.c
+SOURCE[../../providers/libfips.a]=buffer.c