Difference between revisions of "83Plus:BCALLs:808D"

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(Example)
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== Example ==
 
== Example ==
  <nowiki>B_CALL InitializeMD5
+
  B_CALL MD5Init
ld bc,0040h
+
ld bc,14
ld hl,SomeAddress
+
ld hl,String
B_CALL CalculateMD5
+
B_CALL [[83Plus:BCALLs:8090|MD5Update]]
B_CALL FinishMD5</nowiki>
+
B_CALL [[83Plus:BCALLs:8018|MD5Final]]
 +
; should give: f96b 697d7cb7938d525a2f31aaf161d0
 +
 +
String: .db "message digest"

Revision as of 15:33, 30 March 2005

Synopsis

Official Name: MD5Init

Other Name: InitializeMD5

BCALL Address: 808D

Initializes the MD5 RAM areas

Inputs

None

Outputs

  • 8269: 8 bytes will be zero'ed
  • 8292: Loads the following bytes in this area 01h,23h,45h,67h,89h,ABh,CDh,EFh,FEh,DCh,BAh,98h,76h,54h,32h,10h

Destroys

None

Comments

This B_CALL initializes the MD5 memory areas, after which you can use MD5Update and MD5Final to build up a complete MD5 hash.

Example

B_CALL MD5Init
ld bc,14
ld hl,String
B_CALL MD5Update
B_CALL MD5Final
; should give: f96b 697d7cb7938d525a2f31aaf161d0

String: .db "message digest"