zte's code,first commit
Change-Id: I9a04da59e459a9bc0d67f101f700d9d7dc8d681b
diff --git a/ap/lib/libssl/openssl-1.1.1o/crypto/asn1/a_bitstr.c b/ap/lib/libssl/openssl-1.1.1o/crypto/asn1/a_bitstr.c
new file mode 100644
index 0000000..f462dd1
--- /dev/null
+++ b/ap/lib/libssl/openssl-1.1.1o/crypto/asn1/a_bitstr.c
@@ -0,0 +1,216 @@
+/*
+ * Copyright 1995-2016 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 <limits.h>
+#include <stdio.h>
+#include "internal/cryptlib.h"
+#include <openssl/asn1.h>
+#include "asn1_local.h"
+
+int ASN1_BIT_STRING_set(ASN1_BIT_STRING *x, unsigned char *d, int len)
+{
+ return ASN1_STRING_set(x, d, len);
+}
+
+int i2c_ASN1_BIT_STRING(ASN1_BIT_STRING *a, unsigned char **pp)
+{
+ int ret, j, bits, len;
+ unsigned char *p, *d;
+
+ if (a == NULL)
+ return 0;
+
+ len = a->length;
+
+ if (len > 0) {
+ if (a->flags & ASN1_STRING_FLAG_BITS_LEFT) {
+ bits = (int)a->flags & 0x07;
+ } else {
+ for (; len > 0; len--) {
+ if (a->data[len - 1])
+ break;
+ }
+ j = a->data[len - 1];
+ if (j & 0x01)
+ bits = 0;
+ else if (j & 0x02)
+ bits = 1;
+ else if (j & 0x04)
+ bits = 2;
+ else if (j & 0x08)
+ bits = 3;
+ else if (j & 0x10)
+ bits = 4;
+ else if (j & 0x20)
+ bits = 5;
+ else if (j & 0x40)
+ bits = 6;
+ else if (j & 0x80)
+ bits = 7;
+ else
+ bits = 0; /* should not happen */
+ }
+ } else
+ bits = 0;
+
+ ret = 1 + len;
+ if (pp == NULL)
+ return ret;
+
+ p = *pp;
+
+ *(p++) = (unsigned char)bits;
+ d = a->data;
+ if (len > 0) {
+ memcpy(p, d, len);
+ p += len;
+ p[-1] &= (0xff << bits);
+ }
+ *pp = p;
+ return ret;
+}
+
+ASN1_BIT_STRING *c2i_ASN1_BIT_STRING(ASN1_BIT_STRING **a,
+ const unsigned char **pp, long len)
+{
+ ASN1_BIT_STRING *ret = NULL;
+ const unsigned char *p;
+ unsigned char *s;
+ int i;
+
+ if (len < 1) {
+ i = ASN1_R_STRING_TOO_SHORT;
+ goto err;
+ }
+
+ if (len > INT_MAX) {
+ i = ASN1_R_STRING_TOO_LONG;
+ goto err;
+ }
+
+ if ((a == NULL) || ((*a) == NULL)) {
+ if ((ret = ASN1_BIT_STRING_new()) == NULL)
+ return NULL;
+ } else
+ ret = (*a);
+
+ p = *pp;
+ i = *(p++);
+ if (i > 7) {
+ i = ASN1_R_INVALID_BIT_STRING_BITS_LEFT;
+ goto err;
+ }
+ /*
+ * We do this to preserve the settings. If we modify the settings, via
+ * the _set_bit function, we will recalculate on output
+ */
+ ret->flags &= ~(ASN1_STRING_FLAG_BITS_LEFT | 0x07); /* clear */
+ ret->flags |= (ASN1_STRING_FLAG_BITS_LEFT | i); /* set */
+
+ if (len-- > 1) { /* using one because of the bits left byte */
+ s = OPENSSL_malloc((int)len);
+ if (s == NULL) {
+ i = ERR_R_MALLOC_FAILURE;
+ goto err;
+ }
+ memcpy(s, p, (int)len);
+ s[len - 1] &= (0xff << i);
+ p += len;
+ } else
+ s = NULL;
+
+ ret->length = (int)len;
+ OPENSSL_free(ret->data);
+ ret->data = s;
+ ret->type = V_ASN1_BIT_STRING;
+ if (a != NULL)
+ (*a) = ret;
+ *pp = p;
+ return ret;
+ err:
+ ASN1err(ASN1_F_C2I_ASN1_BIT_STRING, i);
+ if ((a == NULL) || (*a != ret))
+ ASN1_BIT_STRING_free(ret);
+ return NULL;
+}
+
+/*
+ * These next 2 functions from Goetz Babin-Ebell.
+ */
+int ASN1_BIT_STRING_set_bit(ASN1_BIT_STRING *a, int n, int value)
+{
+ int w, v, iv;
+ unsigned char *c;
+
+ w = n / 8;
+ v = 1 << (7 - (n & 0x07));
+ iv = ~v;
+ if (!value)
+ v = 0;
+
+ if (a == NULL)
+ return 0;
+
+ a->flags &= ~(ASN1_STRING_FLAG_BITS_LEFT | 0x07); /* clear, set on write */
+
+ if ((a->length < (w + 1)) || (a->data == NULL)) {
+ if (!value)
+ return 1; /* Don't need to set */
+ c = OPENSSL_clear_realloc(a->data, a->length, w + 1);
+ if (c == NULL) {
+ ASN1err(ASN1_F_ASN1_BIT_STRING_SET_BIT, ERR_R_MALLOC_FAILURE);
+ return 0;
+ }
+ if (w + 1 - a->length > 0)
+ memset(c + a->length, 0, w + 1 - a->length);
+ a->data = c;
+ a->length = w + 1;
+ }
+ a->data[w] = ((a->data[w]) & iv) | v;
+ while ((a->length > 0) && (a->data[a->length - 1] == 0))
+ a->length--;
+ return 1;
+}
+
+int ASN1_BIT_STRING_get_bit(const ASN1_BIT_STRING *a, int n)
+{
+ int w, v;
+
+ w = n / 8;
+ v = 1 << (7 - (n & 0x07));
+ if ((a == NULL) || (a->length < (w + 1)) || (a->data == NULL))
+ return 0;
+ return ((a->data[w] & v) != 0);
+}
+
+/*
+ * Checks if the given bit string contains only bits specified by
+ * the flags vector. Returns 0 if there is at least one bit set in 'a'
+ * which is not specified in 'flags', 1 otherwise.
+ * 'len' is the length of 'flags'.
+ */
+int ASN1_BIT_STRING_check(const ASN1_BIT_STRING *a,
+ const unsigned char *flags, int flags_len)
+{
+ int i, ok;
+ /* Check if there is one bit set at all. */
+ if (!a || !a->data)
+ return 1;
+
+ /*
+ * Check each byte of the internal representation of the bit string.
+ */
+ ok = 1;
+ for (i = 0; i < a->length && ok; ++i) {
+ unsigned char mask = i < flags_len ? ~flags[i] : 0xff;
+ /* We are done if there is an unneeded bit set. */
+ ok = (a->data[i] & mask) == 0;
+ }
+ return ok;
+}