Commit f8fc9ca1 authored by SHIVAM SOOD's avatar SHIVAM SOOD

Complete

parent 59e24a4c
...@@ -18,4 +18,7 @@ hexdump decryptext.txt ...@@ -18,4 +18,7 @@ hexdump decryptext.txt
To get 54B from plain.bmp and remaining bytes after 54 from cipher.bmp and concatenate it to new.bmp To get 54B from plain.bmp and remaining bytes after 54 from cipher.bmp and concatenate it to new.bmp
"head -c 54 plain.bmp > header" ; "tail -c +55 cipher.bmp > body" ; "cat header body > new.bmp" "head -c 54 plain.bmp > header" ; "tail -c +55 cipher.bmp > body" ; "cat header body > new.bmp"
Run this (After editing): Run this (After editing):
openssl enc -aes-128-cfb -e -in original.bmp -out original-aes-128-cfb.bin -K 00112233445566778889aabbccddeeff -iv 0102030405060708; head -c 54 original.bmp > header; tail -c +55 original-aes-128-cfb.bin > body ; cat header body > new-cfb.bmp openssl enc -aes-128-cfb -e -in original.bmp -out original-aes-128-cfb.bin -K 00112233445566778889aabbccddeeff -iv 0102030405060708; head -c 54 original.bmp > header; tail -c +55 original-aes-128-cfb.bin > body ; cat header body > new-cfb.bmp
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man dgst
openssl dgst -h
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