Published Aspose.Imaging for Python via .NET 25.9

Author: Evgeniy Sidenko

Examples/src/modifyingandconvertingimages/SupportOfDigitalSignature.py

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+# GROUP: MODIFYING_AND_CONVERTING_IMAGES
+
+from aspose.pycore import as_of
+from aspose.imaging import Image, RasterImage
+import os
+
+
+# Initialization
+def get_data_root_dir_local():
+	if 'BASE_DIR' in os.environ:
+		return os.environ["BASE_DIR"]
+	return "."
+
+
+if 'get_data_root_dir' not in dir():
+	get_data_root_dir = get_data_root_dir_local
+
+# Example code:
+# The path to the documents directory.
+data_dir = os.path.join(get_data_root_dir(), 'png')
+
+# Signing limitations:
+#  - The LSB steganography algorithm requires the image to be at least 8 pixels in width and height, with a minimum of 16,384 total pixels.
+#  - Password must be at least 4 characters long.
+#
+#            var password = "1234";
+#            var filePath = "c:\sunflower.jpg";
+#
+##################################### Example 1 ############################
+# Faster checking method with partial data extraction.                     #
+# Set detectionThreasholdPercentage value to 75% (default value).          #
+############################################################################
+
+password = "123456"
+
+with as_of(Image.load(os.path.join(data_dir, "00020.png")), RasterImage) as image:
+	image.embed_digital_signature(password)
+	isSigning = image.is_digital_signed(password, -1)
+	print(f"Check signing result of file is: {isSigning}")