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diff --git a/man/man3/elgamal.html b/man/man3/elgamal.html new file mode 100644 index 00000000..a6518468 --- /dev/null +++ b/man/man3/elgamal.html @@ -0,0 +1,174 @@ +<head> +<title>elgamal(3) - Plan 9 from User Space</title> +<meta content="text/html; charset=utf-8" http-equiv=Content-Type> +</head> +<body bgcolor=#ffffff> +<table border=0 cellpadding=0 cellspacing=0 width=100%> +<tr height=10><td> +<tr><td width=20><td> +<tr><td width=20><td><b>ELGAMAL(3)</b><td align=right><b>ELGAMAL(3)</b> +<tr><td width=20><td colspan=2> + <br> +<p><font size=+1><b>NAME </b></font><br> + +<table border=0 cellpadding=0 cellspacing=0><tr height=2><td><tr><td width=20><td> + + eggen, egencrypt, egdecrypt, egsign, egverify, egpuballoc, egpubfree, + egprivalloc, egprivfree, egsigalloc, egsigfree, egprivtopub - + elgamal encryption<br> + +</table> +<p><font size=+1><b>SYNOPSIS </b></font><br> + +<table border=0 cellpadding=0 cellspacing=0><tr height=2><td><tr><td width=20><td> + + <tt><font size=+1>#include <u.h><br> + #include <libc.h><br> + #include <mp.h><br> + #include <libsec.h> + <table border=0 cellpadding=0 cellspacing=0><tr height=5><td></table> + </font></tt> + <tt><font size=+1>EGpriv* eggen(int nlen, int nrep) + <table border=0 cellpadding=0 cellspacing=0><tr height=5><td></table> + </font></tt> + <tt><font size=+1>mpint* egencrypt(EGpub *k, mpint *in, mpint *out) + <table border=0 cellpadding=0 cellspacing=0><tr height=5><td></table> + </font></tt> + <tt><font size=+1>mpint* egdecrypt(EGpriv *k, mpint *in, mpint *out) + <table border=0 cellpadding=0 cellspacing=0><tr height=5><td></table> + </font></tt> + <tt><font size=+1>EGsig* egsign(EGpriv *k, mpint *m) + <table border=0 cellpadding=0 cellspacing=0><tr height=5><td></table> + </font></tt> + <tt><font size=+1>int egverify(EGpub *k, EGsig *sig, mpint *m) + <table border=0 cellpadding=0 cellspacing=0><tr height=5><td></table> + </font></tt> + <tt><font size=+1>EGpub* egpuballoc(void) + <table border=0 cellpadding=0 cellspacing=0><tr height=5><td></table> + </font></tt> + <tt><font size=+1>void egpubfree(EGpub*) + <table border=0 cellpadding=0 cellspacing=0><tr height=5><td></table> + </font></tt> + <tt><font size=+1>EGpriv* egprivalloc(void) + <table border=0 cellpadding=0 cellspacing=0><tr height=5><td></table> + </font></tt> + <tt><font size=+1>void egprivfree(EGpriv*) + <table border=0 cellpadding=0 cellspacing=0><tr height=5><td></table> + </font></tt> + <tt><font size=+1>EGsig* egsigalloc(void) + <table border=0 cellpadding=0 cellspacing=0><tr height=5><td></table> + </font></tt> + <tt><font size=+1>void egsigfree(EGsig*) + <table border=0 cellpadding=0 cellspacing=0><tr height=5><td></table> + </font></tt> + <tt><font size=+1>EGpub* egprivtopub(EGpriv*)<br> + </font></tt> +</table> +<p><font size=+1><b>DESCRIPTION </b></font><br> + +<table border=0 cellpadding=0 cellspacing=0><tr height=5><td></table> + + +<table border=0 cellpadding=0 cellspacing=0><tr height=2><td><tr><td width=20><td> + + Elgamal is a public key encryption and signature algorithm. The + owner of a key publishes the public part of the key:<br> + + <table border=0 cellpadding=0 cellspacing=0><tr height=2><td><tr><td width=20><td> + + <tt><font size=+1>struct EGpub<br> + {<br> + + <table border=0 cellpadding=0 cellspacing=0><tr height=2><td><tr><td width=20><td> + + mpint *p; // modulus<br> + mpint *alpha; // generator<br> + mpint *key; // (encryption key) alpha**secret mod p<br> + + </table> + };<br> + </font></tt> + </table> + This part can be used for encrypting data (with <i>egencrypt</i>) to + be sent to the owner. The owner decrypts (with <i>egdecrypt</i>) using + his private key:<br> + + <table border=0 cellpadding=0 cellspacing=0><tr height=2><td><tr><td width=20><td> + + <tt><font size=+1>struct EGpriv<br> + {<br> + + <table border=0 cellpadding=0 cellspacing=0><tr height=2><td><tr><td width=20><td> + + EGpub pub;<br> + mpint *secret; // (decryption key)<br> + + </table> + };<br> + + <table border=0 cellpadding=0 cellspacing=0><tr height=5><td></table> + </font></tt> + + </table> + Keys are generated using <i>eggen</i>. <i>Eggen</i> takes both bit length of + the modulus and the number of repetitions of the Miller-Rabin + primality test to run. If the latter is 0, it does the default + number of rounds. <i>Egprivtopub</i> returns a newly allocated copy of + the public key corresponding to the private key. + <table border=0 cellpadding=0 cellspacing=0><tr height=5><td></table> + + The routines <i>egpuballoc</i>, <i>egpubfree</i>, <i>egprivalloc</i>, and <i>egprivfree</i> + are provided to manage key storage. + <table border=0 cellpadding=0 cellspacing=0><tr height=5><td></table> + + <i>Egsign</i> signs message <i>m</i> using a private key <i>k</i> yielding a<br> + + <table border=0 cellpadding=0 cellspacing=0><tr height=2><td><tr><td width=20><td> + + <tt><font size=+1>struct EGsig<br> + {<br> + + <table border=0 cellpadding=0 cellspacing=0><tr height=2><td><tr><td width=20><td> + + mpint *r, *s;<br> + + </table> + };<br> + </font></tt> + </table> + <i>Egverify</i> returns 0 if the signature is valid and –1 if not. + <table border=0 cellpadding=0 cellspacing=0><tr height=5><td></table> + + The routines <i>egsigalloc</i> and <i>egsigfree</i> are provided to manage signature + storage.<br> + +</table> +<p><font size=+1><b>SOURCE </b></font><br> + +<table border=0 cellpadding=0 cellspacing=0><tr height=2><td><tr><td width=20><td> + + <tt><font size=+1>/usr/local/plan9/src/libsec<br> + </font></tt> +</table> +<p><font size=+1><b>SEE ALSO </b></font><br> + +<table border=0 cellpadding=0 cellspacing=0><tr height=2><td><tr><td width=20><td> + + <a href="../man3/mp.html"><i>mp</i>(3)</a>, <a href="../man3/aes.html"><i>aes</i>(3)</a>, <a href="../man3/blowfish.html"><i>blowfish</i>(3)</a>, <a href="../man3/des.html"><i>des</i>(3)</a>, <a href="../man3/dsa.html"><i>dsa</i>(3)</a>, <a href="../man3/rc4.html"><i>rc4</i>(3)</a>, <a href="../man3/rsa.html"><i>rsa</i>(3)</a>, <a href="../man3/sechash.html"><i>sechash</i>(3)</a>, + <a href="../man3/prime.html"><i>prime</i>(3)</a>, <a href="../man3/rand.html"><i>rand</i>(3)</a><br> + +</table> + +<td width=20> +<tr height=20><td> +</table> +<!-- TRAILER --> +<table border=0 cellpadding=0 cellspacing=0 width=100%> +<tr height=15><td width=10><td><td width=10> +<tr><td><td> +<center> +<a href="../../"><img src="../../dist/spaceglenda100.png" alt="Space Glenda" border=1></a> +</center> +</table> +<!-- TRAILER --> +</body></html> |