How can you encode a string to Base64 in JavaScript?
How can you encode a string to Base64 in JavaScript?
base64
Creating a BLOB from a Base64 string in JavaScript
The atob function will decode a Base64-encoded string into a new string with a character for each byte of the binary data. const byteCharacters = atob(b64Data); Each character’s code point (charCode) will be the value of the byte. We can create an array of byte values by applying this using the .charCodeAt method for each … Read more
How can I convert an image into Base64 string using JavaScript?
There are multiple approaches you can choose from: 1. Approach: FileReader Load the image as blob via XMLHttpRequest and use the FileReader API (readAsDataURL()) to convert it to a dataURL: function toDataURL(url, callback) { var xhr = new XMLHttpRequest(); xhr.onload = function() { var reader = new FileReader(); reader.onloadend = function() { callback(reader.result); } reader.readAsDataURL(xhr.response); … Read more
Cracking base64 encryption [closed]
Base64 isn’t an encryption. It’s a coding. There is no key in Base64. There are lots of ways to get base64 decoded (a random search shows this as one of them). Your problem seems to be that the data, in addition to being coded, is also encrypted. Unless you know what it is encrypted with, … Read more
C – Trouble calling a function
Here is a main() that calls base64_encode(): int main(void) { char data[] = “test”; char *encoded_data; size_t len; encoded_data = base64_encode(data, strlen(data), &len); printf(“%s (%zu) => %s (%zu)”, data, strlen(data), encoded_data, len); } Explanation char data[] contains your string to encode. You’ll need to pass it as an argument to base64_encode(). char *encoded_data is a … Read more