diff --git a/FSCS630_Cryptography/ppts/Birthday Paradox Simulation.docx b/FSCS630_Cryptography/ppts/Birthday Paradox Simulation.docx
deleted file mode 100644
index 89cfd99..0000000
Binary files a/FSCS630_Cryptography/ppts/Birthday Paradox Simulation.docx and /dev/null differ
diff --git a/FSCS630_Cryptography/ppts/CollisionExample.pdf b/FSCS630_Cryptography/ppts/CollisionExample.pdf
deleted file mode 100644
index 51ef884..0000000
Binary files a/FSCS630_Cryptography/ppts/CollisionExample.pdf and /dev/null differ
diff --git a/FSCS630_Cryptography/ppts/Hash_Birthday_Attack.ppt b/FSCS630_Cryptography/ppts/Hash_Birthday_Attack.ppt
deleted file mode 100644
index 7aabe2b..0000000
Binary files a/FSCS630_Cryptography/ppts/Hash_Birthday_Attack.ppt and /dev/null differ
diff --git a/FSCS630_Cryptography/ppts/SU_Chapter2_p3.pdf b/FSCS630_Cryptography/ppts/SU_Chapter2_p3.pdf
deleted file mode 100644
index 464390e..0000000
Binary files a/FSCS630_Cryptography/ppts/SU_Chapter2_p3.pdf and /dev/null differ
diff --git a/FSCS630_Cryptography/ppts/The Hardness of Factoring _ RSA Crypto.pdf b/FSCS630_Cryptography/ppts/The Hardness of Factoring _ RSA Crypto.pdf
deleted file mode 100644
index c638191..0000000
Binary files a/FSCS630_Cryptography/ppts/The Hardness of Factoring _ RSA Crypto.pdf and /dev/null differ
diff --git a/FSCS630_Cryptography/ppts/Understanding_Cryptography_Chptr_1---Intro_to_Crypto + Historical_Ciphers.ppt b/FSCS630_Cryptography/ppts/Understanding_Cryptography_Chptr_1---Intro_to_Crypto + Historical_Ciphers.ppt
deleted file mode 100644
index a7b6115..0000000
Binary files a/FSCS630_Cryptography/ppts/Understanding_Cryptography_Chptr_1---Intro_to_Crypto + Historical_Ciphers.ppt and /dev/null differ
diff --git a/FSCS630_Cryptography/ppts/Understanding_Cryptography_Chptr_10---Digital signatures.ppt b/FSCS630_Cryptography/ppts/Understanding_Cryptography_Chptr_10---Digital signatures.ppt
deleted file mode 100644
index 5628a59..0000000
Binary files a/FSCS630_Cryptography/ppts/Understanding_Cryptography_Chptr_10---Digital signatures.ppt and /dev/null differ
diff --git a/FSCS630_Cryptography/ppts/Understanding_Cryptography_Chptr_10b--- SHA3 - Keccak.ppt b/FSCS630_Cryptography/ppts/Understanding_Cryptography_Chptr_10b--- SHA3 - Keccak.ppt
deleted file mode 100644
index d0027ec..0000000
Binary files a/FSCS630_Cryptography/ppts/Understanding_Cryptography_Chptr_10b--- SHA3 - Keccak.ppt and /dev/null differ
diff --git a/FSCS630_Cryptography/ppts/Understanding_Cryptography_Chptr_11---Hash Functions.ppt b/FSCS630_Cryptography/ppts/Understanding_Cryptography_Chptr_11---Hash Functions.ppt
deleted file mode 100644
index d772cc1..0000000
Binary files a/FSCS630_Cryptography/ppts/Understanding_Cryptography_Chptr_11---Hash Functions.ppt and /dev/null differ
diff --git a/FSCS630_Cryptography/ppts/Understanding_Cryptography_Chptr_12---MAC.ppt b/FSCS630_Cryptography/ppts/Understanding_Cryptography_Chptr_12---MAC.ppt
deleted file mode 100644
index a676b3a..0000000
Binary files a/FSCS630_Cryptography/ppts/Understanding_Cryptography_Chptr_12---MAC.ppt and /dev/null differ
diff --git a/FSCS630_Cryptography/ppts/Understanding_Cryptography_Chptr_13---Key_Establishment.ppt b/FSCS630_Cryptography/ppts/Understanding_Cryptography_Chptr_13---Key_Establishment.ppt
deleted file mode 100644
index e148e74..0000000
Binary files a/FSCS630_Cryptography/ppts/Understanding_Cryptography_Chptr_13---Key_Establishment.ppt and /dev/null differ
diff --git a/FSCS630_Cryptography/ppts/Understanding_Cryptography_Chptr_2---Stream_Ciphers.ppt b/FSCS630_Cryptography/ppts/Understanding_Cryptography_Chptr_2---Stream_Ciphers.ppt
deleted file mode 100644
index c1af178..0000000
Binary files a/FSCS630_Cryptography/ppts/Understanding_Cryptography_Chptr_2---Stream_Ciphers.ppt and /dev/null differ
diff --git a/FSCS630_Cryptography/ppts/Understanding_Cryptography_Chptr_3---DES.ppt b/FSCS630_Cryptography/ppts/Understanding_Cryptography_Chptr_3---DES.ppt
deleted file mode 100644
index 630275a..0000000
Binary files a/FSCS630_Cryptography/ppts/Understanding_Cryptography_Chptr_3---DES.ppt and /dev/null differ
diff --git a/FSCS630_Cryptography/ppts/Understanding_Cryptography_Chptr_4---AES.ppt b/FSCS630_Cryptography/ppts/Understanding_Cryptography_Chptr_4---AES.ppt
deleted file mode 100644
index 6c60543..0000000
Binary files a/FSCS630_Cryptography/ppts/Understanding_Cryptography_Chptr_4---AES.ppt and /dev/null differ
diff --git a/FSCS630_Cryptography/ppts/Understanding_Cryptography_Chptr_5---More_about_Block_Ciphers.ppt b/FSCS630_Cryptography/ppts/Understanding_Cryptography_Chptr_5---More_about_Block_Ciphers.ppt
deleted file mode 100644
index 61b4a63..0000000
Binary files a/FSCS630_Cryptography/ppts/Understanding_Cryptography_Chptr_5---More_about_Block_Ciphers.ppt and /dev/null differ
diff --git a/FSCS630_Cryptography/ppts/Understanding_Cryptography_Chptr_6---Intro_to_Public_Key.ppt b/FSCS630_Cryptography/ppts/Understanding_Cryptography_Chptr_6---Intro_to_Public_Key.ppt
deleted file mode 100644
index 3446600..0000000
Binary files a/FSCS630_Cryptography/ppts/Understanding_Cryptography_Chptr_6---Intro_to_Public_Key.ppt and /dev/null differ
diff --git a/FSCS630_Cryptography/ppts/Understanding_Cryptography_Chptr_7---The_RSA_Cryptosystem.ppt b/FSCS630_Cryptography/ppts/Understanding_Cryptography_Chptr_7---The_RSA_Cryptosystem.ppt
deleted file mode 100644
index eba6598..0000000
Binary files a/FSCS630_Cryptography/ppts/Understanding_Cryptography_Chptr_7---The_RSA_Cryptosystem.ppt and /dev/null differ
diff --git a/FSCS630_Cryptography/ppts/Understanding_Cryptography_Chptr_8---Discrete_Logarithm.ppt b/FSCS630_Cryptography/ppts/Understanding_Cryptography_Chptr_8---Discrete_Logarithm.ppt
deleted file mode 100644
index f522d45..0000000
Binary files a/FSCS630_Cryptography/ppts/Understanding_Cryptography_Chptr_8---Discrete_Logarithm.ppt and /dev/null differ
diff --git a/FSCS630_Cryptography/ppts/Understanding_Cryptography_Chptr_9---ECC.ppt b/FSCS630_Cryptography/ppts/Understanding_Cryptography_Chptr_9---ECC.ppt
deleted file mode 100644
index d26a540..0000000
Binary files a/FSCS630_Cryptography/ppts/Understanding_Cryptography_Chptr_9---ECC.ppt and /dev/null differ
diff --git a/FSCS630_Cryptography/ppts/proofEEA_2.pdf b/FSCS630_Cryptography/ppts/proofEEA_2.pdf
deleted file mode 100644
index 0ffb4c4..0000000
Binary files a/FSCS630_Cryptography/ppts/proofEEA_2.pdf and /dev/null differ