DES
Plaintext: 02468aceeca86420 
Key: 0f1571c947d9e859
Ciphertext: da02ce3a89ecac3b


Change the 4th bit in the plaintext
Plaintext: 12468aceeca86420  
Key: 0f1571c947d9e859
Ciphertext: 057cde97d7683f2a => 38e8c912b2bf81ef


Change the 4th bit in the key 
Plaintext: 02468aceeca86420  
Key: 1f1571c947d9e859
Ciphertext: ee92b50606b62b0b => eae5cedbb5fd55f8

Weak keys



AES
Plaintext: 0123456789abcdeffedcba9876543210
Key: 0f1571c947d9e8590cb7add6af7f6798
Ciphertext: 


Change of the 8th bit in the plaintext
Plaintext: 0023456789abcdeffedcba9876543210
Key: 0f1571c947d9e8590cb7add6af7f6798
Ciphertext: 


Change of the 8th bit in the key
Plaintext: 0123456789abcdeffedcba9876543210
Key: 0e1571c947d9e8590cb7add6af7f6798
Ciphertext: 