.dll icon

cygcrypto-1.1.dll

Updated: Files Available: 17
Verified Metadata AI Analysis x86 (32 bit) x86-64 (64 bit)

Download and install cygcrypto-1.1.dll to fix missing or corrupted DLL errors.

ADVERTISEMENT

DLL Overview

Last Updated
Dec 15th, 2025
Filename
cygcrypto-1.1.dll
Company
The OpenSSL Project, https://www.openssl.org/
Product
The OpenSSL Toolkit
Description
OpenSSL library
Architecture
x86 (32 bit) x86-64 (64 bit)
Metadata Consensus
17/17 Files 100%
Higher percentages indicate stronger agreement across versions. View available versions or browse repository metadata to compare differences between variants.

DLL Download Options

Download

About cygcrypto-1.1.dll

cygcrypto-1.1.dll is a DLL file (Dynamic Link Library) used by Windows programs to share code and resources. It allows multiple applications to use the same functions, improving performance and reducing redundancy.

Overview

The cygcrypto-1.1.dll is a dynamic link library (DLL) that is part of The OpenSSL Toolkit. Produced and maintained by The OpenSSL Project, this DLL is an essential component for programs that rely on the OpenSSL framework, specifically for cryptographic functions.

OpenSSL is an open-source, full-featured toolkit that implements the Secure Sockets Layer (SSL) and Transport Layer Security (TLS) protocols. Both SSL and TLS are cryptographic protocols designed to provide secure communications over computer networks, and they are commonly used to safeguard data transfers over the internet, such as during online banking, e-commerce transactions, and confidential email exchanges.

The cygcrypto-1.1.dll file, in particular, encapsulates a large part of OpenSSL's cryptographic functionalities. This includes various algorithms for symmetric and asymmetric encryption, cryptographic hashing, digital signatures, and more. When software applications require these cryptographic functionalities, they can make calls to this DLL, utilizing its pre-defined functions, thus avoiding the need to reimplement these complex algorithms from scratch.

The "cyg" prefix in the file's name typically indicates a connection with the Cygwin environment. Cygwin is a software layer that provides a substantial part of the Linux API functionality on Windows, allowing developers to run and compile Linux applications on Windows systems. So, in context, cygcrypto-1.1.dll would be a version of the OpenSSL crypto library compiled for usage within the Cygwin environment on a Windows operating system.

For users and administrators, it's essential to ensure that such crucial DLL files like cygcrypto-1.1.dll are up to date and sourced from reputable origins, given the sensitive nature of their functionalities. Outdated or tampered versions could pose significant security risks. Always ensure that updates or installations related to cryptographic functions or security protocols are sourced directly from the project's official channels or trusted repositories.

File information is supported by Human Assisted Artificial Intelligence and should be used as a helpful tool. However, it is important to keep in mind that this information may not be up-to-date or entirely accurate.

Troubleshooting DLL Errors

Most errors involving cygcrypto-1.1.dll occur because the DLL is missing, corrupted, or outdated. In many cases, reinstalling the related application or replacing the DLL resolves the issue. The steps below cover the most common and reliable ways to fix these errors.

Windows DLL Error Examples

This application has failed to start because cygcrypto-1.1.dll was not found. Re-installing the application may fix this problem.
cygcrypto-1.1.dll Not Found.

Fixes and Solutions

The first step in resolving DLL errors is to completely uninstall the affected software and reinstall its latest version. We know this does not always solve the problem, which is why DLLme exists. If reinstalling the application does not help, or if you are unsure which app is causing the error, follow the steps below. These are the most common solutions for fixing cygcrypto-1.1.dll errors.

  • Repair Windows: Make sure Windows is fully updated, then open Windows Terminal or PowerShell as an administrator (search for “PowerShell” in the Start menu, right-click it, and choose “Run as administrator”). This allows you to repair the Windows component store and run the System File Checker (SFC).

    Repair the Windows component store so SFC can pull clean files:

    DISM /Online /Cleanup-Image /RestoreHealth

    Scan all protected system files and automatically repair problems:

    sfc /scannow
  • Uninstall & Reinstall: On this DLL page, check the Company/Product section to identify the related app, then fully uninstall it. If you plan to continue using it, reinstall the latest version. Be sure to save or back up any important data before uninstalling. Windows or antivirus software may sometimes quarantine DLL files, especially if the DLL is unfamiliar or appears suspicious. Check your antivirus quarantine or logs to determine if this is the cause of your issue.
  • Download the DLL: Download the latest 32-bit or 64-bit version of the DLL directly from our repository using the download button above. Most users will need the 64-bit version, but if you are unsure, or if a 64-bit version is not available, you can install both the 32-bit and 64-bit DLLs. DLLme verifies DLLs that come from our admins, partners, and trusted affiliates. User-uploaded files may be verified later if a trusted source is confirmed.
  • Register the DLL: Most DLL files do not need registration, but some DLLs are COM components and must be registered to work correctly. If registration is required, open Windows Terminal or PowerShell as an administrator.

    Register the DLL (you can also drag the DLL file into the window to automatically fill in its full path):

    regsvr32 "C:\path\to\cygcrypto-1.1.dll"

    If you are registering a 32-bit DLL on 64-bit Windows, use the 32-bit RegSvr32:

    C:\Windows\SysWOW64\regsvr32 "C:\path\to\cygcrypto-1.1.dll"

    Or open Windows Terminal/PowerShell in the DLL’s folder and run:

    regsvr32 cygcrypto-1.1.dll

How to Install cygcrypto-1.1.dll

To install cygcrypto-1.1.dll, place the DLL file in the appropriate Windows system folder or in the same folder as the application’s .exe file. If you are not sure which version (32-bit or 64-bit) to use, you can safely install both.

On 64-bit versions of Windows, place 64-bit DLL files in:

C:\Windows\System32\cygcrypto-1.1.dll

Place 32-bit DLL files in:

C:\Windows\SysWOW64\cygcrypto-1.1.dll

Or place the DLL file next to the application’s .exe:

C:\path\to\exe\cygcrypto-1.1.dll

Request a Different Version

Requesting cygcrypto-1.1.dll could improve your odds of getting a new version or variant faster.

Make a Request

4 people recently requested a new version or variant.
  1. cygcrypto-2.dll
  2. cygcrypto-1.1.dll

Similar .DLL Files

Related to cygcrypto-1.1.dll, grouped by different match signals.

Same Base Name

Broader Matches (Recent)

Same File Hash

No items to show in this category.