IT-Sec_Group_K/it-sec-exercises
2
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases 5 Wiki Activity

feat: a2 c
All checks were successful
zip and release / build-and-release (push) Successful in 4s
Details

Browse Source
This commit is contained in:
Leo
2026-05-01 01:32:01 +02:00
parent 9c2b167d3a
commit d3aa96fa84
4 changed files with 8 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

1
sheet02/a2/b-privatekey.txt Normal file
View File

@@ -0,0 +1 @@
ME4CAQAwEAYHKoZIzj0CAQYFK4EEACIENzA1AgEBBDA/BgxBUzJUc3MfZVBIdPTbQfIdf4SABYZJlno8rUPkhBRrK3VkpEhyGdviYUPViz4=

1
sheet02/a2/b-publickey.txt Normal file
View File

@@ -0,0 +1 @@
MHYwEAYHKoZIzj0CAQYFK4EEACIDYgAEVHteuMnscItIHycwEZ80P44WyIWmL7PmeN6HLRAu8IJsLKX6BTDawN0MezskF68oQ9Ft7zy2u4v2aaYB4tgUv+0YG7zEwFr0ofqSqFFPSLr0qrVRvXi/H7Bux8tYVgaN

1
sheet02/a2/b-signature.txt Normal file
View File

@@ -0,0 +1 @@
MGQCMHq04CPgDiSaWPXb3LiuBrb97aV4JjinA5gIuEIFjFYLD1jYdECBdV/aHLLYsyMYnAIwedsP6qJKK4Y2uLgn3XLxbHgDKxf+eq07Rptmn/LttHTpWjtTfaLERM+Uh2BUGmMt

5
sheet02/a2/c.txt
View File

@@ -0,0 +1,5 @@
copy the publickey into a .pem file that starts with -----BEGIN PUBLIC KEY----- and ends with -----END PUBLIC KEY----- and has linebreaks after 64 chars.
then decode the base64 signature
base64 -d b-signature.txt > signature.bin
verify using openssl
openssl dgst -sha256 -verify c-pubkey.pem -signature signature.bin plaintext.txt