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-rw-r--r--roms/edk2/CryptoPkg/Library/OpensslLib/openssl/crypto/des/str2key.c77
1 files changed, 77 insertions, 0 deletions
diff --git a/roms/edk2/CryptoPkg/Library/OpensslLib/openssl/crypto/des/str2key.c b/roms/edk2/CryptoPkg/Library/OpensslLib/openssl/crypto/des/str2key.c
new file mode 100644
index 000000000..61db60512
--- /dev/null
+++ b/roms/edk2/CryptoPkg/Library/OpensslLib/openssl/crypto/des/str2key.c
@@ -0,0 +1,77 @@
+/*
+ * 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 <openssl/crypto.h>
+#include "des_local.h"
+
+void DES_string_to_key(const char *str, DES_cblock *key)
+{
+ DES_key_schedule ks;
+ int i, length;
+
+ memset(key, 0, 8);
+ length = strlen(str);
+ for (i = 0; i < length; i++) {
+ register unsigned char j = str[i];
+
+ if ((i % 16) < 8)
+ (*key)[i % 8] ^= (j << 1);
+ else {
+ /* Reverse the bit order 05/05/92 eay */
+ j = ((j << 4) & 0xf0) | ((j >> 4) & 0x0f);
+ j = ((j << 2) & 0xcc) | ((j >> 2) & 0x33);
+ j = ((j << 1) & 0xaa) | ((j >> 1) & 0x55);
+ (*key)[7 - (i % 8)] ^= j;
+ }
+ }
+ DES_set_odd_parity(key);
+ DES_set_key_unchecked(key, &ks);
+ DES_cbc_cksum((const unsigned char *)str, key, length, &ks, key);
+ OPENSSL_cleanse(&ks, sizeof(ks));
+ DES_set_odd_parity(key);
+}
+
+void DES_string_to_2keys(const char *str, DES_cblock *key1, DES_cblock *key2)
+{
+ DES_key_schedule ks;
+ int i, length;
+
+ memset(key1, 0, 8);
+ memset(key2, 0, 8);
+ length = strlen(str);
+ for (i = 0; i < length; i++) {
+ register unsigned char j = str[i];
+
+ if ((i % 32) < 16) {
+ if ((i % 16) < 8)
+ (*key1)[i % 8] ^= (j << 1);
+ else
+ (*key2)[i % 8] ^= (j << 1);
+ } else {
+ j = ((j << 4) & 0xf0) | ((j >> 4) & 0x0f);
+ j = ((j << 2) & 0xcc) | ((j >> 2) & 0x33);
+ j = ((j << 1) & 0xaa) | ((j >> 1) & 0x55);
+ if ((i % 16) < 8)
+ (*key1)[7 - (i % 8)] ^= j;
+ else
+ (*key2)[7 - (i % 8)] ^= j;
+ }
+ }
+ if (length <= 8)
+ memcpy(key2, key1, 8);
+ DES_set_odd_parity(key1);
+ DES_set_odd_parity(key2);
+ DES_set_key_unchecked(key1, &ks);
+ DES_cbc_cksum((const unsigned char *)str, key1, length, &ks, key1);
+ DES_set_key_unchecked(key2, &ks);
+ DES_cbc_cksum((const unsigned char *)str, key2, length, &ks, key2);
+ OPENSSL_cleanse(&ks, sizeof(ks));
+ DES_set_odd_parity(key1);
+ DES_set_odd_parity(key2);
+}