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Q&A ELI5 these 9 methods to compare similar pictures – Hash, MD5, SHA?

Please explain like I'm 5, in SIMPLE English – all 9 methods below? Please compare and contrast Hash, MD5, SHA? why Hash has a, b, d, p in front? why SHA has 4 different Bits?

1 answer  ·  posted 3y ago by TextKit‭  ·  last activity 3y ago by dsr‭

Question hashing
#3: Post edited by user avatar Mithrandir24601‭ · 2021-05-23T09:29:43Z (over 3 years ago)
improved alt-text
  • Please explain like I'm 5, in SIMPLE English – all 9 methods below? Please compare and contrast
  • 1. Hash, MD5, SHA?
  • 2. why Hash has a, b, d, p in front?
  • 3. why SHA has 4 different Bits?
  • [![AllDup image duplicate finder][1]][1]
  • [1]: https://i.stack.imgur.com/y2LvF.jpg
  • Please explain like I'm 5, in SIMPLE English – all 9 methods below? Please compare and contrast
  • 1. Hash, MD5, SHA?
  • 2. why Hash has a, b, d, p in front?
  • 3. why SHA has 4 different Bits?
  • [![AllDup image duplicate finder with list of search comparison methods ahash, bhash, dhash, phash, MD5 (128 bit), SHA-1 (160 bit), SHA-2 (256 bit), SHA-2 (384-bit), SHA-2 (512 bit)][1]][1]
  • [1]: https://i.stack.imgur.com/y2LvF.jpg
#2: Post edited by user avatar Alexei‭ · 2021-05-23T09:25:57Z (over 3 years ago)
added relevant tag
ELI5 these 9 methods to compare similar pictures – Hash, MD5, SHA? 
  • Please explain like I'm 5, in SIMPLE English – all 9 methods below? Please compare and contrast
  • 1. Hash, MD5, SHA?
  • 2. why Hash has a, b, d, p in front?
  • 3. why SHA has 4 different Bits?
  • [![enter image description here][1]][1]
  • [1]: https://i.stack.imgur.com/y2LvF.jpg
  • Please explain like I'm 5, in SIMPLE English – all 9 methods below? Please compare and contrast
  • 1. Hash, MD5, SHA?
  • 2. why Hash has a, b, d, p in front?
  • 3. why SHA has 4 different Bits?
  • [![AllDup image duplicate finder][1]][1]
  • [1]: https://i.stack.imgur.com/y2LvF.jpg
#1: Initial revision by user avatar TextKit‭ · 2021-05-13T20:21:51Z (over 3 years ago)
ELI5 these 9 methods to compare similar pictures – Hash, MD5, SHA? 
Please explain like I'm 5, in SIMPLE English – all 9 methods below? Please compare and contrast 

1. Hash, MD5, SHA?

2. why Hash has a, b, d, p in front?

3. why SHA has 4 different Bits? 


[![enter image description here][1]][1]


  [1]: https://i.stack.imgur.com/y2LvF.jpg