.\" Generated by kramdown-man 1.0.1
.\" https://github.com/postmodern/kramdown-man#readme
.TH ronin-decrypt 1 "2023-02-01" Ronin "User Manuals"
.SH NAME
.PP
ronin\-decrypt \- Decrypts data
.SH SYNOPSIS
.PP
\fBronin decrypt\fR \[lB]\fIoptions\fP\[rB] \[lB]\fIFILE\fP \.\.\.\[rB]
.SH DESCRIPTION
.PP
Encrypts data\.
.SH ARGUMENTS
.TP
\fIFILE\fP
The optional file to read and decrypt\. If no \fIFILE\fP arguments are given,
input will be read from \fBstdin\fR\.
.SH OPTIONS
.TP
\fB\-k\fR, \fB\-\-key\fR \fISTRING\fP
The raw key string for the cipher\.
.TP
\fB\-K\fR, \fB\-\-key\-file\fR \fIFILE\fP
Reads the key string from the file\.
.TP
\fB\-c\fR, \fB\-\-cipher\fR \fINAME\fP
The cipher to decrypt with\. See \fB\-\-list\-ciphers\fR for a list of supported
ciphers\. Default to \fBaes\-256\-cbc\fR if not given\.
.TP
\fB\-P\fR, \fB\-\-password\fR \fIPASSWORD\fP
The password to decrypt with\.
.TP
\fB\-H\fR, \fB\-\-hash\fR \fBmd5\fR\[or]\fBsha1\fR\[or]\fBsha256\fR\[or]\fBsha512\fR
The hash algorithm to use for the password\. Default to \fBsha256\fR if not given\.
.TP
\fB\-\-iv\fR \fISTRING\fP
Sets the Initial Vector (IV) value of the cipher\.
.TP
\fB\-\-padding\fR \fINUM\fP
Sets the padding size, in bytes, of the decryption cipher\.
.TP
\fB\-b\fR, \fB\-\-block\-size\fR \fINUM\fP
The size, in bytes, to read data in\. Default to \fB16384\fR if not given\.
.TP
\fB\-\-list\-ciphers\fR
List the supported ciphers and exits\.
.TP
\fB\-h\fR, \fB\-\-help\fR
Print help information\.
.SH EXAMPLES
.PP
Decrypt a file using AES\-256 (CBC mode) with a password:
.PP
.RS 4
.EX
\[Do] ronin decrypt \-\-cipher aes\-256\-cbc \-\-password \[dq]\.\.\.\[dq] encrypted\.bin
.EE
.RE
.PP
Decrypt a file using a raw key string:
.PP
.RS 4
.EX
\[Do] ronin decrypt \-\-cipher aes\-256\-cbc \-\-key \[dq]12345abcdef\.\.\.\[dq] encrypted\.bin
.EE
.RE
.PP
Decrypt a file using a raw key read from a file:
.PP
.RS 4
.EX
\[Do] ronin decrypt \-\-cipher aes\-256\-cbc \-\-key\-file key\.bin encrypted\.bin
.EE
.RE
.PP
Specifying a custom IV (initialization vector):
.PP
.RS 4
.EX
\[Do] ronin decrypt \-\-cipher aes\-256\-cbc \-\-key \[dq]\.\.\.\[dq] \-\-iv \[dq]\.\.\.\[dq] encrypted\.bin
.EE
.RE
.SH AUTHOR
.PP
Postmodern 
.MT postmodern\.mod3\[at]gmail\.com
.ME
.SH SEE ALSO
.PP
.BR ronin\-encrypt (1)