Java

Skippums wrote:

1. encryptedBytes.length == 32,

class CipherInputStreamWrapper extends CipherInputStream {

    CipherInputStreamWrapper(final InputStream is, final Cipher cipher) {
        super(is, cipher);
    }

    @Override
    public int read(final byte[] b) {
        return this.read(b, 0, b.length);
    }

    @Override
    public int read(final byte[] b, final int off, final int len) {
        for (int i = 0; i < len; ++i) {
            final int nextByte = this.read();
            if (nextByte < 0) return i;
            b[off + i] = (byte)nextByte;
        }
        return len;
    }
}

This method blocks until input data is available or end of stream is reached or an exception is thrown.

Skippums wrote:

So this comment was simply to caution me about specific cases that may break my
proposed implementation

Member 10085678 wrote:

How do we know what code to enter?