Difference between revisions of "Unit Crypto"

From Ultibo.org
Jump to: navigation, search
Line 235: Line 235:
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
Line 250: Line 250:
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
Line 262: Line 262:
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
Line 274: Line 274:
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
Line 286: Line 286:
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
Line 298: Line 298:
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| For block ciphers also include an initialization vector for CBC mode
 
| For block ciphers also include an initialization vector for CBC mode
 
|-
 
|-
Line 310: Line 310:
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
Line 322: Line 322:
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
Line 334: Line 334:
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
Line 349: Line 349:
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Data'''
+
! Data
 
| A linked list which can contain multiple independent blocks to be included in the hash. The data block itself does not form part of the hash.
 
| A linked list which can contain multiple independent blocks to be included in the hash. The data block itself does not form part of the hash.
 
|-
 
|-
Line 361: Line 361:
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
Line 373: Line 373:
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Key'''
+
! Key
 
| If Key is more than 64 bytes it will be hashed to Key = MD5(Key) instead. If Key is less than 64 bytes it will be padded with zeros.
 
| If Key is more than 64 bytes it will be hashed to Key = MD5(Key) instead. If Key is less than 64 bytes it will be padded with zeros.
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| The MD5 HMAC algorithm is: MD5(Key xor oPad, MD5(Key xor iPad, Data)). Where iPad is the byte $36 repeated 64 times, oPad is the byte $5c repeated 64 times.
 
| The MD5 HMAC algorithm is: MD5(Key xor oPad, MD5(Key xor iPad, Data)). Where iPad is the byte $36 repeated 64 times, oPad is the byte $5c repeated 64 times.
 
|-
 
|-
Line 406: Line 406:
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
Line 418: Line 418:
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
Line 433: Line 433:
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
Line 445: Line 445:
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
Line 460: Line 460:
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
Line 472: Line 472:
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
Line 487: Line 487:
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Start'''
+
! Start
 
| Specify how many bytes of the RC4 cipher stream to skip to allow for previous blocks of data or to comply with RFC4345 requirements to discard the first 1536 bytes of the RC4 cipher stream
 
| Specify how many bytes of the RC4 cipher stream to skip to allow for previous blocks of data or to comply with RFC4345 requirements to discard the first 1536 bytes of the RC4 cipher stream
 
|-
 
|-
Line 499: Line 499:
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
Line 514: Line 514:
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Data'''
+
! Data
 
| A linked list which can contain multiple independent blocks to be included in the hash. The data block itself does not form part of the hash.
 
| A linked list which can contain multiple independent blocks to be included in the hash. The data block itself does not form part of the hash.
 
|-
 
|-
Line 526: Line 526:
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
Line 538: Line 538:
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Key'''
+
! Key
 
| If Key is more than 64 bytes it will be hashed to Key = SHA1(Key) instead. If Key is less than 64 bytes it will be padded with zeros.
 
| If Key is more than 64 bytes it will be hashed to Key = SHA1(Key) instead. If Key is less than 64 bytes it will be padded with zeros.
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| The SHA1 HMAC algorithm is: SHA1(Key xor oPad, SHA1(Key xor iPad, Data)). Where iPad is the byte $36 repeated 64 times, oPad is the byte $5c repeated 64 times.
 
| The SHA1 HMAC algorithm is: SHA1(Key xor oPad, SHA1(Key xor iPad, Data)). Where iPad is the byte $36 repeated 64 times, oPad is the byte $5c repeated 64 times.
 
|-
 
|-
Line 553: Line 553:
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Key'''
+
! Key
 
| If Key is more than 64 bytes it will be hashed to Key = SHA1(Key) instead. If Key is less than 64 bytes it will be padded with zeros.
 
| If Key is more than 64 bytes it will be hashed to Key = SHA1(Key) instead. If Key is less than 64 bytes it will be padded with zeros.
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| The SHA1 HMAC algorithm is: SHA1(Key xor oPad, SHA1(Key xor iPad, Value)). Where iPad is the byte $36 repeated 64 times, oPad is the byte $5c repeated 64 times.
 
| The SHA1 HMAC algorithm is: SHA1(Key xor oPad, SHA1(Key xor iPad, Value)). Where iPad is the byte $36 repeated 64 times, oPad is the byte $5c repeated 64 times.
 
|-
 
|-
Line 571: Line 571:
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Data'''
+
! Data
 
| A linked list which can contain multiple independent blocks to be included in the hash. The data block itself does not form part of the hash.
 
| A linked list which can contain multiple independent blocks to be included in the hash. The data block itself does not form part of the hash.
 
|-
 
|-
Line 583: Line 583:
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
Line 595: Line 595:
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Key'''
+
! Key
 
| If Key is more than 64 bytes it will be hashed to Key = SHA256(Key) instead. If Key is less than 64 bytes it will be padded with zeros.
 
| If Key is more than 64 bytes it will be hashed to Key = SHA256(Key) instead. If Key is less than 64 bytes it will be padded with zeros.
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| The SHA256 HMAC algorithm is: SHA256(Key xor oPad, SHA256(Key xor iPad, Data)). Where iPad is the byte $36 repeated 64 times, oPad is the byte $5c repeated 64 times.
 
| The SHA256 HMAC algorithm is: SHA256(Key xor oPad, SHA256(Key xor iPad, Data)). Where iPad is the byte $36 repeated 64 times, oPad is the byte $5c repeated 64 times.
 
|-
 
|-
Line 610: Line 610:
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Key'''
+
! Key
 
| If Key is more than 64 bytes it will be hashed to Key = SHA256(Key) instead. If Key is less than 64 bytes it will be padded with zeros.
 
| If Key is more than 64 bytes it will be hashed to Key = SHA256(Key) instead. If Key is less than 64 bytes it will be padded with zeros.
 
|-
 
|-
Line 628: Line 628:
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
Line 643: Line 643:
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
Line 655: Line 655:
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
Line 670: Line 670:
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
Line 682: Line 682:
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
Line 694: Line 694:
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
Line 706: Line 706:
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
Line 721: Line 721:
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
Line 733: Line 733:
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
Line 739: Line 739:
 
</div></div>
 
</div></div>
 
<br />
 
<br />
−
 
 
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
 
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
 
<pre style="border: 0; padding-bottom:0px;">procedure MD5Final(var Context:TMD5Context; var Digest:TMD5Digest);</pre>
 
<pre style="border: 0; padding-bottom:0px;">procedure MD5Final(var Context:TMD5Context; var Digest:TMD5Digest);</pre>
Line 746: Line 745:
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
Line 758: Line 757:
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
Line 770: Line 769:
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
Line 785: Line 784:
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
Line 797: Line 796:
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
Line 809: Line 808:
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
Line 821: Line 820:
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
Line 833: Line 832:
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
Line 845: Line 844:
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
Line 857: Line 856:
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
Line 869: Line 868:
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
Line 881: Line 880:
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
Line 893: Line 892:
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
Line 905: Line 904:
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
Line 917: Line 916:
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
Line 929: Line 928:
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
Line 941: Line 940:
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
Line 953: Line 952:
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
Line 965: Line 964:
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
Line 980: Line 979:
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
Line 992: Line 991:
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
Line 1,004: Line 1,003:
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
Line 1,016: Line 1,015:
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
Line 1,028: Line 1,027:
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
Line 1,040: Line 1,039:
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
Line 1,055: Line 1,054:
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
Line 1,067: Line 1,066:
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
Line 1,079: Line 1,078:
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
Line 1,094: Line 1,093:
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
Line 1,106: Line 1,105:
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-

Revision as of 04:34, 30 March 2018

Return to Unit Reference


Description

Ultibo Crypto interface unit

To be documented

Constants


[Expand]
Crypto cipher algorithms CRYPTO_CIPHER_ALG_*


[Expand]
Crypto cipher modes CRYPTO_CIPHER_MODE_*


[Expand]
Crypto hash algorithms CRYPTO_HASH_ALG_*


[Expand]
AES block size AES_BLOCK_*


[Expand]
AES key size AES_KEY_*


[Expand]
DES block size DES_BLOCK_*


[Expand]
DES key size DES_KEY_*


[Expand]
DES key type DES_KEYTYPE_*


[Expand]
3DES block size DES3_BLOCK_*


[Expand]
3DES key size DES3_KEY_*


[Expand]
SHA1 constants SHA1_*


[Expand]
MIME64 constants MIME64_*


Type definitions

To be documented

Public variables

To be documented

Function declarations


Initialization functions

[Expand] 
procedure CryptoInit;
Description: To be documented


Crypto functions

[Expand] 
function HashCreate(Algorithm:LongWord; Key:Pointer; KeySize:LongWord):PHashContext;
Description: Initialize a hash context based on an algorithm and an optional key


[Expand] 
function HashDestroy(Context:PHashContext):Boolean;
Description: Free a hash context allocated by HashCreate


[Expand] 
function HashUpdate(Context:PHashContext; Data:Pointer; Size:LongWord):Boolean;
Description: Add a block of data to a hash context


[Expand] 
function HashFinish(Context:PHashContext; Digest:Pointer; Size:LongWord):Boolean;
Description: Finalize a hash context and return the digest (Hash) value


[Expand] 
function CipherCreate(Algorithm:LongWord; Vector,Key:Pointer; KeySize:LongWord):PCipherContext;
Description: Initialize a cipher context based on an algorithm and a key


[Expand] 
function CipherDestroy(Context:PCipherContext):Boolean;
Description: Free a cipher context allocated by CipherCreate


[Expand] 
function CipherEncrypt(Context:PCipherContext; Plain,Crypt:Pointer; Size:LongWord):Boolean;
Description: Encrypt a block of data using an existing cipher context


[Expand] 
function CipherDecrypt(Context:PCipherContext; Crypt,Plain:Pointer; Size:LongWord):Boolean;
Description: Decrypt a block of data using an existing cipher context


MD5 functions

[Expand] 
function MD5DigestData(Data:PMD5Block; Digest:PMD5Digest):Boolean;
Description: Generate a 128 bit MD5 digest (Hash) from the supplied data


[Expand] 
function MD5DigestString(const Value:String; Digest:PMD5Digest):Boolean;
Description: Generate a 128 bit MD5 digest (Hash) from the supplied string value


[Expand] 
function HMACMD5DigestData(const Key:String; Data:PMD5Block; Digest:PMD5Digest):Boolean;
Description: Generate an MD5 HMAC (Hashed Message Authentication Code) using the Key and Data


[Expand] 
function HMACMD5DigestString(const Key,Value:String; Digest:PMD5Digest):Boolean;
Description: Generate an MD5 HMAC (Hashed Message Authentication Code) using the Key and Value


AES functions

[Expand] 
function AESEncryptData(Key:Pointer; KeySize:LongWord; Vector,Plain,Crypt:Pointer; Size:LongWord):Boolean;
Description: To be documented


[Expand] 
function AESDecryptData(Key:Pointer; KeySize:LongWord; Vector,Crypt,Plain:Pointer; Size:LongWord):Boolean;
Description: To be documented


DES functions

[Expand] 
function DESEncryptData(Key:Pointer; KeySize:LongWord; Vector,Plain,Crypt:Pointer; Size:LongWord):Boolean;
Description: To be documented


[Expand] 
function DESDecryptData(Key:Pointer; KeySize:LongWord; Vector,Crypt,Plain:Pointer; Size:LongWord):Boolean;
Description: To be documented


3DES functions

[Expand] 
function DES3EncryptData(Key:Pointer; KeySize:LongWord; Vector,Plain,Crypt:Pointer; Size:LongWord):Boolean;
Description: To be documented


[Expand] 
function DES3DecryptData(Key:Pointer; KeySize:LongWord; Vector,Crypt,Plain:Pointer; Size:LongWord):Boolean;
Description: To be documented


RC4 functions

[Expand] 
function RC4EncryptData(Key:Pointer; KeySize:LongWord; Plain,Crypt:Pointer; Size,Start:LongWord):Boolean;
Description: Encrypt the supplied data with a key using the RC4 cipher algorithm


[Expand] 
function RC4DecryptData(Key:Pointer; KeySize:LongWord; Crypt,Plain:Pointer; Size,Start:LongWord):Boolean; inline;
Description: Decrypt the supplied data with a key using the RC4 cipher algorithm


SHA1 functions

[Expand] 
function SHA1DigestData(Data:PSHA1Block; Digest:PSHA1Digest):Boolean;
Description: Generate a 160 bit SHA1 digest (Hash) from the supplied data


[Expand] 
function SHA1DigestString(const Value:String; Digest:PSHA1Digest):Boolean;
Description: Generate a 160 bit SHA1 digest (Hash) from the supplied string value


[Expand] 
function HMACSHA1DigestData(const Key:String; Data:PSHA1Block; Digest:PSHA1Digest):Boolean;
Description: Generate a SHA1 HMAC (Hashed Message Authentication Code) using the Key and Data


[Expand] 
function HMACSHA1DigestString(const Key,Value:String; Digest:PSHA1Digest):Boolean;
Description: Generate a SHA1 HMAC (Hashed Message Authentication Code) using the Key and Value


SHA256 functions

[Expand] 
function SHA256DigestData(Data:PSHA256Block; Digest:PSHA256Digest):Boolean;
Description: Generate a 256 bit SHA256 digest (Hash) from the supplied data


[Expand] 
function SHA256DigestString(const Value:String; Digest:PSHA256Digest):Boolean;
Description: Generate a 256 bit SHA256 digest (Hash) from the supplied string value


[Expand] 
function HMACSHA256DigestData(const Key:String; Data:PSHA256Block; Digest:PSHA256Digest):Boolean;
Description: Generate a SHA256 HMAC (Hashed Message Authentication Code) using the Key and Data


[Expand] 
function HMACSHA256DigestString(const Key,Value:String; Digest:PSHA256Digest):Boolean;
Description: Generate a SHA256 HMAC (Hashed Message Authentication Code) using the Key and Value


CRC functions

[Expand] 
function CRC16CCITT(CRC:Word; Data:PByte; Size:LongWord):Word;
Description: To be documented


MIME64 functions

[Expand] 
function MIME64EncodeString(const AValue:String):String;
Description: To be documented


[Expand] 
function MIME64DecodeString(const AValue:String):String;
Description: To be documented


Crypto helper functions

[Expand] 
procedure BytesToLE(Buffer:PByte; Count:LongWord);
Description: Change the byte order of count longwords in the supplied buffer to little endian


[Expand] 
procedure BytesToBE(Buffer:PByte; Count:LongWord);
Description: Change the byte order of count longwords in the supplied buffer to big endian


[Expand] 
function LongWordToBE(Buffer:PByte):LongWord; inline;
Description: To be documented


[Expand] 
procedure BEToLongWord(Value:LongWord; Buffer:PByte); inline;
Description: To be documented


MD5 helper functions

[Expand] 
procedure MD5Init(var Context:TMD5Context);
Description: Initialize an MD5 context with constants


[Expand] 
procedure MD5Update(var Context:TMD5Context; Data:Pointer; Size:LongWord);
Description: Add more bytes to the data buffer, add to the hash in 64 byte chunks


[Expand] 
procedure MD5Final(var Context:TMD5Context; var Digest:TMD5Digest);
Description: Finalize the MD5 context by padding to a 64 Byte boundary, adding QWord count of bits processed and copying the hash to the digest


[Expand] 
procedure MD5Transform(var Context:TMD5Context; Buffer:Pointer);
Description: The core MD5 algorithm, adds an additional 64 Bytes (16 LongWords) to the hash


[Expand] 
function MD5DigestToString(Digest:PMD5Digest):String;
Description: To be documented


AES helper functions

[Expand] 
function AESTE0(I:Byte):LongWord; inline;
Description: To be documented


[Expand] 
function AESTE1(I:Byte):LongWord; inline;
Description: To be documented


[Expand] 
function AESTE2(I:Byte):LongWord; inline;
Description: To be documented


[Expand] 
function AESTE3(I:Byte):LongWord; inline;
Description: To be documented


[Expand] 
function AESTD0(I:Byte):LongWord; inline;
Description: To be documented


[Expand] 
function AESTD1(I:Byte):LongWord; inline;
Description: To be documented


[Expand] 
function AESTD2(I:Byte):LongWord; inline;
Description: To be documented


[Expand] 
function AESTD3(I:Byte):LongWord; inline;
Description: To be documented


[Expand] 
function AESTE4_0(I:Byte):LongWord; inline;
Description: To be documented


[Expand] 
function AESTE4_1(I:Byte):LongWord; inline;
Description: To be documented


[Expand] 
function AESTE4_2(I:Byte):LongWord; inline;
Description: To be documented


[Expand] 
function AESTE4_3(I:Byte):LongWord; inline;
Description: To be documented


[Expand] 
function AESByte(X,N:LongWord):Byte; inline;
Description: To be documented


[Expand] 
function AESKeySetup(Key:Pointer; KeySize:LongWord; AESKey:PAESKey):Boolean;
Description: To be documented


[Expand] 
procedure AESEncryptBlock(Plain,Crypt:Pointer; AESKey:PAESKey);
Description: To be documented


[Expand] 
procedure AESDecryptBlock(Crypt,Plain:Pointer; AESKey:PAESKey);
Description: To be documented


DES helper functions

[Expand] 
procedure DESKey(Key:PByte; KeyType:LongWord; CryptKey:PDESKey);
Description: To be documented


[Expand] 
procedure DESCook(Raw1:PLongWord; Key:PDESKey);
Description: To be documented


[Expand] 
procedure DESProcess(Block,Key:PLongWord);
Description: To be documented


[Expand] 
function DESKeySetup(Key:Pointer; KeySize:LongWord; EncryptKey,DecryptKey:PDESKey):Boolean;
Description: To be documented


[Expand] 
procedure DESEncryptBlock(Plain,Crypt:Pointer; EncryptKey:PDESKey);
Description: To be documented


[Expand] 
procedure DESDecryptBlock(Crypt,Plain:Pointer; DecryptKey:PDESKey);
Description: To be documented


3DES helper functions

[Expand] 
function DES3KeySetup(Key:Pointer; KeySize:LongWord; DES3Key:PDES3Key):Boolean;
Description: To be documented


[Expand] 
procedure DES3EncryptBlock(Plain,Crypt:Pointer; DES3Key:PDES3Key);
Description: To be documented


[Expand] 
procedure DES3DecryptBlock(Crypt,Plain:Pointer; DES3Key:PDES3Key);
Description: To be documented


SHA1 helper functions

[Expand] 
procedure SHA1Init(var Context:TSHA1Context);
Description: Initialize a SHA1 context with constants


[Expand] 
procedure SHA1Update(var Context:TSHA1Context; Data:Pointer; Size:LongWord);
Description: Add more bytes to the data buffer, add to the hash in 64 byte chunks


[Expand] 
procedure SHA1Final(var Context:TSHA1Context; var Digest:TSHA1Digest);
Description: Finalize the SHA1 context by padding to a 64 Byte boundary, adding QWord count of bits processed and copying the hash to the digest


[Expand] 
procedure SHA1Transform(var Context:TSHA1Context; Buffer:Pointer);
Description: The core SHA1 algorithm, adds an additional 64 Bytes (512 bits) to the hash


[Expand] 
function SHA1DigestToString(Digest:PSHA1Digest):String;
Description: To be documented


SHA256 helper functions

[Expand] 
procedure SHA256Init(var Context:TSHA256Context);
Description: Initialize a SHA256 context with constants


[Expand] 
procedure SHA256Process(var Context:TSHA256Context; Data:Pointer; Size:LongWord);
Description: Add more bytes to the data buffer, add to the hash in 64 byte chunks


[Expand] 
procedure SHA256Complete(var Context:TSHA256Context; var Digest:TSHA256Digest);
Description: Finalize the SHA256 context by padding to a 64 Byte boundary, adding QWord count of bits processed and copying the hash to the digest


[Expand] 
procedure SHA256Compress(var Context:TSHA256Context; Buffer:Pointer);
Description: The core SHA256 algorithm, adds an additional 64 Bytes (512 bits) to the hash


[Expand] 
function SHA256DigestToString(Digest:PSHA256Digest):String;
Description: To be documented


MIME64 helper functions

[Expand] 
procedure MIME64InitTables;
Description: To be documented


Return to Unit Reference

Retrieved from "https://ultibo.org/mediawiki_ultibo_org/index.php?title=Unit_Crypto&oldid=3629"