Command line tool to print MD5 / SHA1 / SHA256 fingerprints of Android APK package.
# Why we need it? #
keytool no longer print MD5 after java8.
But sometimes we do need the MD5 for example, in WeChat and AliPay developer console.
Some alternative tools do not work well:
1. Gen_Signature_Android.apk, need to be install to Android device, sometimes refused by Android device.
2. jadx, a powerful to decompile APK, we can view details of APK package, but it's too heavy.
To view the fingerprints, a very tiny command line tool will be enough.
# Installation #
Please make sure your Python is v3.7 or above.
```bash
python3 --version
python3 -m pip install apk-signature
```
Or, clone from GitHub:
```bash
git clone https://github.com/floatinghotpot/apk-signature.git
cd apk-signature
python3 -m pip install -e .
```
# How To Use #
```bash
apk-signature <path_to_apk_file>
```
Example:
```bash
apk-signature myapp.apk
```
# How It Works #
Here are the steps that the tool actualy runs:
```bash
# unzip the IPA file to tmp folder
mkdir ./tmp
unzip <path_to_apk_file> -d ./tmp
# run openssl to extract certificate file from CERT.RSA
openssl pkcs7 -inform DER -in ./tmp/META-INF/CERT.RSA -print_certs -out ./tmp/CERT.cert
# print the fingerprints in upper case
openssl x509 -in ./tmp/CERT.cert -fingerprint -noout -md5
openssl x509 -in ./tmp/CERT.cert -fingerprint -noout -sha1
openssl x509 -in ./tmp/CERT.cert -fingerprint -noout -sha256
# print the fingterprints in lower case
openssl x509 -in ./tmp/CERT.cert -outform DER | openssl dgst -md5
openssl x509 -in ./tmp/CERT.cert -outform DER | openssl dgst -sha1
openssl x509 -in ./tmp/CERT.cert -outform DER | openssl dgst -sha256
# clean up the tmp folder
rm -r ./tmp
```
# Dependency #
It will call openssl, so make sure it's installed first.
If not installed, install it with Homebrew:
```bash
brew install openssl
```
# Credits #
A simple tool created by Raymond Xie, to print the MD5/SHA1/SHA256 signature of APK package with command line.
Any comments are welcome.
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"description": "\nCommand line tool to print MD5 / SHA1 / SHA256 fingerprints of Android APK package.\n\n# Why we need it? #\n\nkeytool no longer print MD5 after java8.\n\nBut sometimes we do need the MD5 for example, in WeChat and AliPay developer console.\n\nSome alternative tools do not work well:\n\n1. Gen_Signature_Android.apk, need to be install to Android device, sometimes refused by Android device.\n\n2. jadx, a powerful to decompile APK, we can view details of APK package, but it's too heavy.\n\nTo view the fingerprints, a very tiny command line tool will be enough.\n\n# Installation #\n\nPlease make sure your Python is v3.7 or above.\n\n```bash\npython3 --version\npython3 -m pip install apk-signature\n```\n\nOr, clone from GitHub:\n```bash\ngit clone https://github.com/floatinghotpot/apk-signature.git\ncd apk-signature\npython3 -m pip install -e .\n```\n\n# How To Use #\n\n```bash\napk-signature <path_to_apk_file>\n```\n\nExample:\n```bash\napk-signature myapp.apk\n```\n\n# How It Works #\n\nHere are the steps that the tool actualy runs:\n\n```bash\n# unzip the IPA file to tmp folder\nmkdir ./tmp\nunzip <path_to_apk_file> -d ./tmp\n\n# run openssl to extract certificate file from CERT.RSA\nopenssl pkcs7 -inform DER -in ./tmp/META-INF/CERT.RSA -print_certs -out ./tmp/CERT.cert\n\n# print the fingerprints in upper case\nopenssl x509 -in ./tmp/CERT.cert -fingerprint -noout -md5\nopenssl x509 -in ./tmp/CERT.cert -fingerprint -noout -sha1\nopenssl x509 -in ./tmp/CERT.cert -fingerprint -noout -sha256\n\n# print the fingterprints in lower case\nopenssl x509 -in ./tmp/CERT.cert -outform DER | openssl dgst -md5\nopenssl x509 -in ./tmp/CERT.cert -outform DER | openssl dgst -sha1\nopenssl x509 -in ./tmp/CERT.cert -outform DER | openssl dgst -sha256\n\n# clean up the tmp folder\nrm -r ./tmp\n```\n\n# Dependency #\n\nIt will call openssl, so make sure it's installed first.\n\nIf not installed, install it with Homebrew:\n```bash\nbrew install openssl\n```\n\n# Credits #\n\nA simple tool created by Raymond Xie, to print the MD5/SHA1/SHA256 signature of APK package with command line.\n\nAny comments are welcome.\n",
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