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6
votes
1answer
157 views

PHP: if charset mismatches (htmlentities UTF-8) viewed by client as ISO-8859-1 (or vice versa)

Short Question: Question: Could any security vulnerabilities arise if a server runs htmlentities as UTF-8 but the client views the results as ISO-8859-1? Assumption: No vulnerabilities exist when ...
1
vote
1answer
31 views

Minimum SHA256'd UTF8 encoded passphrase length not stored anywhere

For a passphrase that is UTF8 encoded and then SHA256'd, what is the minimum length to achieve a practically collision free result? The implementation is for a 32 byte cryptocurrency ed25519 seed ...