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嗯，我想我没有得到创建它后写入文件的过程。我是这个初学者，所以帮助完成这项任务对我来说非常重要。大会32位写入文件后创建一个
描述（对称加密）： 1.编码a。要求用户输入一些文字b。要求用户在此范围内键入一个私钥[1-255]。执行范围 有效性检查。 C。使用提供的 专用密钥对输入文本进行加密，将密文置于用户指定的文件中。 2.解码a。要求用户指定要解码的文件。湾从该文件加载密文并尝试在不使用 的情况下对其进行解密，假定私钥与编码中使用的私钥是相同的 。 C。把所有的试验结果放在由用户命名的分离文件中。 d。找出最合理的结果（或原始明文）是什么。
INCLUDE Irvine32.inc
BUFMAX = 128 ; maximum buffer size
KEYMAX = 128 ; maximum buffer size
BUFFER_SIZE = 5000
.data
sPrompt BYTE "Enter some text message: ", 0
keyPrompt BYTE "Enter a private key [1-255]: ", 0
cFile BYTE "Enter a filename for cypher text: ", 0
sEncrypt BYTE "Cypher text ", 0
sDecrypt BYTE "Decrypted: ", 0
error BYTE "The key must be within 1 - 255! ", 0
buffer BYTE BUFMAX + 1 DUP(0)
bufSize DWORD ?
keyStr BYTE KEYMAX + 1 DUP(0)
keySize DWORD ?
key DWORD ?
filename BYTE "newfile.txt ", 0
fileHdl DWORD ?
bufFile BYTE BUFFER_SIZE DUP (?)
textMsg DWORD ?
.code main PROC
call InputTheString ; input the plain text
call InputTheKey ; input the security key
call CypherFile ; input a cypher filename
;call TranslateBuffer ; encrypt the buffer
;mov edx, OFFSET sEncrypt ; display encrypted message
;call DisplayMessage
;call TranslateBuffer ; decrypt the buffer
;mov edx, OFFSET sDecrypt ; display decrypted message
;call DisplayMessage
exit
main ENDP
InputTheKey PROC
pushad ; save 32-bit registers
LK: mov edx, OFFSET keyPrompt ; display a prompt call WriteString ; Enter a private key [1-255] call Crlf ; start a new line call ReadInt ; read int into system mov key, eax ; store int into keyStr cmp eax, 255 ; compare newly read int ja LC ; jump if above 255 to LC cmp eax, 1 ; compare newly read int jb LC ; jump if below 1 to LC jmp LR ; if between range jump to LR LC: mov edx, OFFSET error ; The key must be within 1 - 255! call WriteString ; Display the error call Crlf ; start a new line loop LK ; loop back to enter the security key LR: popad ; restore the registers ret InputTheKey ENDP
CypherFile PROC pushad mov edx, OFFSET cFile ; "Enter a filename for cypher text call WriteString ; Enter a name for encrypted file call Crlf ; Start a new line mov edx, OFFSET bufFile mov ecx, BUFMAX call ReadString ; Store the filename in eax mov edx, OFFSET bufFile call CreateOutputFile ;pop eax mov eax, fileHdl mov edx, OFFSET textMsg ;mov ecx, BUFFER_SIZE call WriteToFile popad call CloseFile ret
;mov filename, eax
;mov edx, OFFSET filename
;push eax
;mov eax, fileHdl
;mov edx, OFFSET bufFile
;mov ecx, BUFFER_SIZE
;mov edx, "C:\outputtext.txt"
;mov edx, OFFSET filename
;mov ecx, SIZEOF filename
;push eax
;mov eax, bufSize
;call WriteToFile
CypherFile ENDP
InputTheString PROC
pushad ; save 32-bit registers
mov edx, OFFSET sPrompt ; display a prompt
call WriteString ; "Enter some text message"
call Crlf ; start a new line
mov ecx, BUFMAX ; maximum character count
mov edx, OFFSET buffer ; point to the buffer
call ReadString ; input the string
mov textMsg, eax
mov bufSize, eax ; save the length
popad
ret
InputTheString ENDP
DisplayMessage PROC
pushad
call WriteString
mov edx, OFFSET buffer ; display the buffer
call WriteString
call Crlf
call Crlf
popad
ret
DisplayMessage ENDP
TranslateBuffer PROC
pushad
mov ecx, bufSize ; loop counter
mov esi, 0 ; index 0 in buffer
mov edi, 0 ; index 0 in the key
L1: mov al, keyStr[edi] ; get a character from encryption key xor buffer[esi], al ; translate a byte inc esi ; point to next byte inc edi ; go to next position in key cmp edi, keySize ; compare if equal to size of the key jb L2 mov edi, 0 ; reset to beginning of the key L2: loop L1 popad ret TranslateBuffer ENDP
END main
忘记穿上该库文件都设在这里：http://www.kipirvine.com/asm/examples/index.htm – user1848703
问题是什么？你必须告诉我们你期望会发生什么，而不是预期的输出。 – Gunner
我期望它将文本写入创建的输出文件。它没有做的是将文本写入文件，即使在创建文件之后。 – user1848703