From 6bf0a5cb5034a7e684dcc3500e841785237ce2dd Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sun, 7 Apr 2024 19:32:43 +0200
Subject: Adding upstream version 1:115.7.0.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 .../botan/src/lib/pbkdf/pbkdf1/info.txt            |  7 +++
 .../botan/src/lib/pbkdf/pbkdf1/pbkdf1.cpp          | 54 ++++++++++++++++++++++
 .../botan/src/lib/pbkdf/pbkdf1/pbkdf1.h            | 53 +++++++++++++++++++++
 3 files changed, 114 insertions(+)
 create mode 100644 comm/third_party/botan/src/lib/pbkdf/pbkdf1/info.txt
 create mode 100644 comm/third_party/botan/src/lib/pbkdf/pbkdf1/pbkdf1.cpp
 create mode 100644 comm/third_party/botan/src/lib/pbkdf/pbkdf1/pbkdf1.h

(limited to 'comm/third_party/botan/src/lib/pbkdf/pbkdf1')

diff --git a/comm/third_party/botan/src/lib/pbkdf/pbkdf1/info.txt b/comm/third_party/botan/src/lib/pbkdf/pbkdf1/info.txt
new file mode 100644
index 0000000000..e4b972e4b6
--- /dev/null
+++ b/comm/third_party/botan/src/lib/pbkdf/pbkdf1/info.txt
@@ -0,0 +1,7 @@
+<defines>
+PBKDF1 -> 20131128
+</defines>
+
+<requires>
+hash
+</requires>
diff --git a/comm/third_party/botan/src/lib/pbkdf/pbkdf1/pbkdf1.cpp b/comm/third_party/botan/src/lib/pbkdf/pbkdf1/pbkdf1.cpp
new file mode 100644
index 0000000000..ad922ce9c6
--- /dev/null
+++ b/comm/third_party/botan/src/lib/pbkdf/pbkdf1/pbkdf1.cpp
@@ -0,0 +1,54 @@
+/*
+* PBKDF1
+* (C) 1999-2007 Jack Lloyd
+*
+* Botan is released under the Simplified BSD License (see license.txt)
+*/
+
+#include <botan/pbkdf1.h>
+#include <botan/exceptn.h>
+
+namespace Botan {
+
+size_t PKCS5_PBKDF1::pbkdf(uint8_t output_buf[], size_t output_len,
+                           const std::string& passphrase,
+                           const uint8_t salt[], size_t salt_len,
+                           size_t iterations,
+                           std::chrono::milliseconds msec) const
+   {
+   if(output_len > m_hash->output_length())
+      throw Invalid_Argument("PKCS5_PBKDF1: Requested output length too long");
+
+   m_hash->update(passphrase);
+   m_hash->update(salt, salt_len);
+   secure_vector<uint8_t> key = m_hash->final();
+
+   const auto start = std::chrono::high_resolution_clock::now();
+   size_t iterations_performed = 1;
+
+   while(true)
+      {
+      if(iterations == 0)
+         {
+         if(iterations_performed % 10000 == 0)
+            {
+            auto time_taken = std::chrono::high_resolution_clock::now() - start;
+            auto msec_taken = std::chrono::duration_cast<std::chrono::milliseconds>(time_taken);
+            if(msec_taken > msec)
+               break;
+            }
+         }
+      else if(iterations_performed == iterations)
+         break;
+
+      m_hash->update(key);
+      m_hash->final(key.data());
+
+      ++iterations_performed;
+      }
+
+   copy_mem(output_buf, key.data(), output_len);
+   return iterations_performed;
+   }
+
+}
diff --git a/comm/third_party/botan/src/lib/pbkdf/pbkdf1/pbkdf1.h b/comm/third_party/botan/src/lib/pbkdf/pbkdf1/pbkdf1.h
new file mode 100644
index 0000000000..f5e95b8368
--- /dev/null
+++ b/comm/third_party/botan/src/lib/pbkdf/pbkdf1/pbkdf1.h
@@ -0,0 +1,53 @@
+/*
+* PBKDF1
+* (C) 1999-2007 Jack Lloyd
+*
+* Botan is released under the Simplified BSD License (see license.txt)
+*/
+
+#ifndef BOTAN_PBKDF1_H_
+#define BOTAN_PBKDF1_H_
+
+#include <botan/pbkdf.h>
+#include <botan/hash.h>
+
+BOTAN_FUTURE_INTERNAL_HEADER(pbkdf1.h)
+
+namespace Botan {
+
+/**
+* PKCS #5 v1 PBKDF, aka PBKDF1
+* Can only generate a key up to the size of the hash output.
+* Unless needed for backwards compatibility, use PKCS5_PBKDF2
+*/
+class BOTAN_PUBLIC_API(2,0) PKCS5_PBKDF1 final : public PBKDF
+   {
+   public:
+      /**
+      * Create a PKCS #5 instance using the specified hash function.
+      * @param hash pointer to a hash function object to use
+      */
+      explicit PKCS5_PBKDF1(HashFunction* hash) : m_hash(hash) {}
+
+      std::string name() const override
+         {
+         return "PBKDF1(" + m_hash->name() + ")";
+         }
+
+      PBKDF* clone() const override
+         {
+         return new PKCS5_PBKDF1(m_hash->clone());
+         }
+
+      size_t pbkdf(uint8_t output_buf[], size_t output_len,
+                           const std::string& passphrase,
+                           const uint8_t salt[], size_t salt_len,
+                           size_t iterations,
+                           std::chrono::milliseconds msec) const override;
+   private:
+      std::unique_ptr<HashFunction> m_hash;
+   };
+
+}
+
+#endif
-- 
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