http://git-wip-us.apache.org/repos/asf/incubator-milagro-crypto/blob/c25f9e5c/version3/c/x509.c ---------------------------------------------------------------------- diff --git a/version3/c/x509.c b/version3/c/x509.c new file mode 100644 index 0000000..84f6c53 --- /dev/null +++ b/version3/c/x509.c @@ -0,0 +1,1097 @@ +/* +Licensed to the Apache Software Foundation (ASF) under one +or more contributor license agreements. See the NOTICE file +distributed with this work for additional information +regarding copyright ownership. The ASF licenses this file +to you under the Apache License, Version 2.0 (the +"License"); you may not use this file except in compliance +with the License. You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + +Unless required by applicable law or agreed to in writing, +software distributed under the License is distributed on an +"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY +KIND, either express or implied. See the License for the +specific language governing permissions and limitations +under the License. +*/ + +/* AMCL X.509 Functions */ + +// To run test program, define HAS_MAIN +// gcc -std=c99 x509.c amcl.a -o x509.exe + +//#define HAS_MAIN + +#include <stdio.h> +#include "amcl.h" // for octet support only +#include "x509.h" + +// ASN.1 tags + +#define ANY 0x00 +#define SEQ 0x30 +#define OID 0x06 +#define INT 0x02 +#define NUL 0x05 +#define ZER 0x00 +#define UTF 0x0C +#define UTC 0x17 +#define LOG 0x01 +#define BIT 0x03 +#define OCT 0x04 +#define STR 0x13 +#define SET 0x31 +#define IA5 0x16 + +// Supported Encryption Methods + +#define ECC 1 +#define RSA 2 + +// Supported Hash functions + +#define H256 2 +#define H384 3 +#define H512 4 + +// Supported Curves + +#define NIST256 0 /**< For the NIST 256-bit standard curve - WEIERSTRASS only */ +#define C25519 1 /**< Bernstein's Modulus 2^255-19 - EDWARDS or MONTGOMERY only */ +#define BRAINPOOL 2 /**< For Brainpool 256-bit curve - WEIERSTRASS only */ +#define ANSSI 3 /**< For French 256-bit standard curve - WEIERSTRASS only */ +#define NIST384 10 /**< For the NIST 384-bit standard curve - WEIERSTRASS only */ +#define NIST521 12 /**< For the NIST 521-bit standard curve - WEIERSTRASS only */ + + +// Define some OIDs + +// Elliptic Curve with SHA256 +static unsigned char eccsha256[8]= {0x2a,0x86,0x48,0xce,0x3d,0x04,0x03,0x02}; +static octet ECCSHA256= {8,sizeof(eccsha256),(char *)eccsha256}; + +// Elliptic Curve with SHA384 +static unsigned char eccsha384[8]= {0x2a,0x86,0x48,0xce,0x3d,0x04,0x03,0x03}; +static octet ECCSHA384= {8,sizeof(eccsha384),(char *)eccsha384}; + +// Elliptic Curve with SHA512 +static unsigned char eccsha512[8]= {0x2a,0x86,0x48,0xce,0x3d,0x04,0x03,0x04}; +static octet ECCSHA512= {8,sizeof(eccsha512),(char *)eccsha512}; + +// EC Public Key +static unsigned char ecpk[7]= {0x2a,0x86,0x48,0xce,0x3d,0x02,0x01}; +static octet ECPK= {7,sizeof(ecpk),(char *)ecpk}; + +// C25519 curve +static unsigned char prime25519[9]= {0x2B,0x06,0x01,0x04,0x01,0xDA,0x47,0x0F,0x01}; /*****/ +static octet PRIME25519= {9,sizeof(prime25519),(char *)prime25519}; + +// NIST256 curve +static unsigned char prime256v1[8]= {0x2a,0x86,0x48,0xce,0x3d,0x03,0x01,0x07}; +static octet PRIME256V1= {8,sizeof(prime256v1),(char *)prime256v1}; + +// NIST384 curve +static unsigned char secp384r1[5]= {0x2B,0x81,0x04,0x00,0x22}; +static octet SECP384R1= {5,sizeof(secp384r1),(char *)secp384r1}; + +// NIST521 curve +static unsigned char secp521r1[5]= {0x2B,0x81,0x04,0x00,0x23}; +static octet SECP521R1= {5,sizeof(secp521r1),(char *)secp521r1}; + +// RSA Public Key +static unsigned char rsapk[9]= {0x2a,0x86,0x48,0x86,0xf7,0x0d,0x01,0x01,0x01}; +static octet RSAPK= {9,sizeof(rsapk),(char *)rsapk}; + +// RSA with SHA256 +static unsigned char rsasha256[9]= {0x2a,0x86,0x48,0x86,0xf7,0x0d,0x01,0x01,0x0b}; +static octet RSASHA256= {9,sizeof(rsasha256),(char *)rsasha256}; + +// RSA with SHA384 +static unsigned char rsasha384[9]= {0x2a,0x86,0x48,0x86,0xf7,0x0d,0x01,0x01,0x0c}; +static octet RSASHA384= {9,sizeof(rsasha384),(char *)rsasha384}; + +// RSA with SHA512 +static unsigned char rsasha512[9]= {0x2a,0x86,0x48,0x86,0xf7,0x0d,0x01,0x01,0x0d}; +static octet RSASHA512= {9,sizeof(rsasha512),(char *)rsasha512}; + +#ifdef HAS_MAIN +// countryName +static unsigned char cn[3]= {0x55,0x04,0x06}; +static octet CN= {3,sizeof(cn),(char *)cn}; + +// stateName +// static char sn[3]= {0x55,0x04,0x08}; +// static octet SN= {3,sizeof(sn),sn}; + +// localName +// static char ln[3]= {0x55,0x04,0x07}; +// static octet LN= {3,sizeof(ln),ln}; + +// orgName +static unsigned char on[3]= {0x55,0x04,0x0A}; +static octet ON= {3,sizeof(on),(char *)on}; + +// unitName +// static char un[3]= {0x55,0x04,0x0B}; +// static octet UN= {3,sizeof(un),un}; + +// myName +// static char mn[3]= {0x55,0x04,0x03}; +// static octet MN= {3,sizeof(mn),mn}; + +// emailName +static unsigned char en[9]= {0x2a,0x86,0x48,0x86,0xf7,0x0d,0x01,0x09,0x01}; +static octet EN= {9,sizeof(en),(char *)en}; +#endif // HAS_MAIN + +/* Check expected TAG and return ASN.1 field length. If tag=0 skip check. */ +static int getalen(int tag,char *b,int j) +{ + int len; + + if (tag!=0 && (unsigned char)b[j]!=tag) return -1; // not a valid tag + j++; + + if ((unsigned char)b[j]==0x81) + { + j++; + len=(unsigned char)b[j]; + } + else if ((unsigned char)b[j]==0x82) + { + j++; + len=256*b[j++]; + len+=(unsigned char)b[j]; + } + else + { + len=(unsigned char)b[j]; + if (len>127) return -1; + } + return len; +} + +/* jump over length field */ +static int skip(int len) +{ + if (len<128) return 2; + if (len>=128 && len<256) return 3; + return 4; +} + +/* round length up to nearest 8-byte length */ +static int bround(int len) +{ + if (len%8==0) return len; + return len+(8-len%8); + +} + +// Input signed cert as octet, and extract signature +// Return 0 for failure, ECC for Elliptic Curve signature, RSA for RSA signature +// Note that signature type is not provided here - its the type of the public key that +// is used to verify it that matters, and which determines for example the curve to be used! + +pktype X509_extract_cert_sig(octet *sc,octet *sig) +{ + int i,j,k,fin,len,rlen,sj,ex; + char soid[9]; + octet SOID= {0,sizeof(soid),soid}; + pktype ret; + + ret.type=0; + ret.hash=0; + + j=0; + + len=getalen(SEQ,sc->val,j); // Check for expected SEQ clause, and get length + if (len<0) return ret; // if not a SEQ clause, there is a problem, exit + j+=skip(len); // skip over length to clause contents. Add len to skip clause + + if (len+j!=sc->len) return ret; + + len=getalen(SEQ,sc->val,j); + if (len<0) return ret; + j+=skip(len)+len; // jump over cert to signature OID + + len=getalen(SEQ,sc->val,j); + if (len<0) return ret; + j+=skip(len); + + sj=j+len; // Needed to jump over signature OID + +// dive in to extract OID + len=getalen(OID,sc->val,j); + if (len<0) return ret; + j+=skip(len); + + fin=j+len; + SOID.len=len; + for (i=0; j<fin; j++) + SOID.val[i++]= sc->val[j]; + + // check OID here.. + + if (OCT_comp(&ECCSHA256,&SOID)) + { + ret.type=ECC; + ret.hash=H256; + } + if (OCT_comp(&ECCSHA384,&SOID)) + { + ret.type=ECC; + ret.hash=H384; + } + if (OCT_comp(&ECCSHA512,&SOID)) + { + ret.type=ECC; + ret.hash=H512; + } + if (OCT_comp(&RSASHA256,&SOID)) + { + ret.type=RSA; + ret.hash=H256; + } + if (OCT_comp(&RSASHA384,&SOID)) + { + ret.type=RSA; + ret.hash=H384; + } + if (OCT_comp(&RSASHA512,&SOID)) + { + ret.type=RSA; + ret.hash=H512; + } + + if (ret.type==0) return ret; // unsupported type + + j=sj; // jump out to signature + + len=getalen(BIT,sc->val,j); + if (len<0) + { + ret.type=0; + return ret; + } + j+=skip(len); + j++; + len--; // skip bit shift (hopefully 0!) + + if (ret.type==ECC) + { + // signature in the form (r,s) + len=getalen(SEQ,sc->val,j); + if (len<0) + { + ret.type=0; + return ret; + } + j+=skip(len); + + // pick up r part of signature + len=getalen(INT,sc->val,j); + if (len<0) + { + ret.type=0; + return ret; + } + j+=skip(len); + + if (sc->val[j]==0) + { + // skip leading zero + j++; + len--; + } + rlen=bround(len); + + ex=rlen-len; + sig->len=2*rlen; + + i=0; + for (k=0; k<ex; k++) + sig->val[i++]=0; + + fin=j+len; + for (; j<fin; j++) + sig->val[i++]= sc->val[j]; + + // pick up s part of signature + len=getalen(INT,sc->val,j); + if (len<0) + { + ret.type=0; + return ret; + } + j+=skip(len); + + if (sc->val[j]==0) + { + // skip leading zeros + j++; + len--; + } + rlen=bround(len); + ex=rlen-len; + for (k=0; k<ex; k++) + sig->val[i++]=0; + + fin=j+len; + for (; j<fin; j++) + sig->val[i++]= sc->val[j]; + + } + if (ret.type==RSA) + { + rlen=bround(len); + ex=rlen-len; + + sig->len=rlen; + i=0; + for (k=0; k<ex; k++) + sig->val[i++]=0; + + fin=j+len; + for (; j<fin; j++) + sig->val[i++]= sc->val[j]; + + } + if (ret.hash==H256) ret.curve=NIST256; + if (ret.hash==H384) ret.curve=NIST384; + if (ret.hash==H512) ret.curve=NIST521; + + return ret; +} + +// Extract certificate from signed cert +int X509_extract_cert(octet *sc,octet *cert) +{ + int i,j,fin,len,k; + + j=0; + len=getalen(SEQ,sc->val,j); + + if (len<0) return 0; + j+=skip(len); + + k=j; + + len=getalen(SEQ,sc->val,j); + if (len<0) return 0; + j+=skip(len); + + fin=j+len; + cert->len=fin-k; + for (i=k; i<fin; i++) cert->val[i-k]=sc->val[i]; + + return 1; +} + +// Extract Public Key from inside Certificate +pktype X509_extract_public_key(octet *c,octet *key) +{ + int i,j,fin,len,sj; + char koid[12]; /*****/ + octet KOID= {0,sizeof(koid),koid}; + pktype ret; + + ret.type=ret.hash=0; + ret.curve=-1; + + j=0; + + len=getalen(SEQ,c->val,j); + if (len<0) return ret; + j+=skip(len); + + if (len+j!=c->len) return ret; + + len=getalen(0,c->val,j); + if (len<0) return ret; + j+=skip(len)+len; //jump over version clause + + len=getalen(INT,c->val,j); + + if (len>0) j+=skip(len)+len; // jump over serial number clause (if there is one) + + len=getalen(SEQ,c->val,j); + if (len<0) return ret; + j+=skip(len)+len; // jump over signature algorithm + + len=getalen(SEQ,c->val,j); + if (len<0) return ret; + j+=skip(len)+len; // skip issuer + + len=getalen(SEQ,c->val,j); + if (len<0) return ret; + j+=skip(len)+len; // skip validity + + len=getalen(SEQ,c->val,j); + if (len<0) return ret; + j+=skip(len)+len; // skip subject + + len=getalen(SEQ,c->val,j); + if (len<0) return ret; + j+=skip(len); // + + len=getalen(SEQ,c->val,j); + if (len<0) return ret; + j+=skip(len); + +// ** Maybe dive in and check Public Key OIDs here? +// ecpublicKey & prime256v1, secp384r1 or secp521r1 for ECC +// rsapublicKey for RSA + + sj=j+len; + + len=getalen(OID,c->val,j); + if (len<0) return ret; + j+=skip(len); + + fin=j+len; + KOID.len=len; + for (i=0; j<fin; j++) + KOID.val[i++]= c->val[j]; + + ret.type=0; + if (OCT_comp(&ECPK,&KOID)) ret.type=ECC; + if (OCT_comp(&RSAPK,&KOID)) ret.type=RSA; + + if (ret.type==0) return ret; + + if (ret.type==ECC) + { + // which elliptic curve? + len=getalen(OID,c->val,j); + if (len<0) + { + ret.type=0; + return ret; + } + j+=skip(len); + + fin=j+len; + KOID.len=len; + for (i=0; j<fin; j++) + KOID.val[i++]= c->val[j]; + + if (OCT_comp(&PRIME25519,&KOID)) ret.curve=C25519; /*****/ + if (OCT_comp(&PRIME256V1,&KOID)) ret.curve=NIST256; + if (OCT_comp(&SECP384R1,&KOID)) ret.curve=NIST384; + if (OCT_comp(&SECP521R1,&KOID)) ret.curve=NIST521; + } + + j=sj; // skip to actual Public Key + + len=getalen(BIT,c->val,j); + if (len<0) + { + ret.type=0; + return ret; + } + j+=skip(len); // + j++; + len--; // skip bit shift (hopefully 0!) + +// extract key + if (ret.type==ECC) + { + key->len=len; + fin=j+len; + for (i=0; j<fin; j++) + key->val[i++]= c->val[j]; + + } + if (ret.type==RSA) + { + // Key is (modulus,exponent) - assume exponent is 65537 + len=getalen(SEQ,c->val,j); + if (len<0) + { + ret.type=0; + return ret; + } + j+=skip(len); // + + len=getalen(INT,c->val,j); // get modulus + if (len<0) + { + ret.type=0; + return ret; + } + j+=skip(len); // + if (c->val[j]==0) + { + j++; + len--; // remove leading zero + } + + key->len=len; + fin=j+len; + for (i=0; j<fin; j++) + key->val[i++]= c->val[j]; + + ret.curve=8*len; + } + return ret; +} + +// Find pointer to main sections of cert, before extracting individual field +// Find index to issuer in cert +int X509_find_issuer(octet *c) +{ + int j,len; + j=0; + len=getalen(SEQ,c->val,j); + if (len<0) return 0; + j+=skip(len); + + if (len+j!=c->len) return 0; + + len=getalen(0,c->val,j); + if (len<0) return 0; + j+=skip(len)+len; //jump over version clause + + len=getalen(INT,c->val,j); + + if (len>0) j+=skip(len)+len; // jump over serial number clause (if there is one) + + len=getalen(SEQ,c->val,j); + if (len<0) return 0; + j+=skip(len)+len; // jump over signature algorithm + + return j; +} + +// Find index to validity period +int X509_find_validity(octet *c) +{ + int j,len; + j=X509_find_issuer(c); + + len=getalen(SEQ,c->val,j); + if (len<0) return 0; + j+=skip(len)+len; // skip issuer + + return j; +} + +// Find index to subject in cert +int X509_find_subject(octet *c) +{ + int j,len; + j=X509_find_validity(c); + + len=getalen(SEQ,c->val,j); + if (len<0) return 0; + j+=skip(len)+len; // skip validity + + return j; +} + +// NOTE: When extracting cert information, we actually return just an index to the data inside the cert, and maybe its length +// So no memory is assigned to store cert info. It is the callers responsibility to allocate such memory if required, and copy +// cert information into it. + +// Find entity property indicated by SOID, given start of issuer or subject field. Return index in cert, flen=length of field + +int X509_find_entity_property(octet *c,octet *SOID,int start,int *flen) +{ + int i,j,k,fin,len,tlen; + char foid[50]; /*****/ + octet FOID= {0,sizeof(foid),foid}; + + j=start; + + tlen=getalen(SEQ,c->val,j); + if (tlen<0) return 0; + j+=skip(tlen); + + for (k=j; j<k+tlen;) + { + // search for Owner OID + len=getalen(SET,c->val,j); + if (len<0) return 0; + j+=skip(len); + len=getalen(SEQ,c->val,j); + if (len<0) return 0; + j+=skip(len); + len=getalen(OID,c->val,j); + if (len<0) return 0; + j+=skip(len); + fin=j+len; // extract OID + FOID.len=len; + for (i=0; j<fin; j++) + FOID.val[i++]= c->val[j]; + len=getalen(ANY,c->val,j); // get text, could be any type + if (len<0) return 0; + + j+=skip(len); + if (OCT_comp(&FOID,SOID)) + { + // if its the right one return + *flen=len; + return j; + } + j+=len; // skip over it + } + *flen=0; /*****/ + return 0; +} + +// Find start date of certificate validity period +int X509_find_start_date(octet *c,int start) +{ + int j,len; + j=start; + + len=getalen(SEQ,c->val,j); + if (len<0) return 0; + j+=skip(len); + + len=getalen(UTC,c->val,j); + if (len<0) return 0; + j+=skip(len); + return j; +} + +// Find expiry date of certificate validity period +int X509_find_expiry_date(octet *c,int start) +{ + int j,len; + j=start; + + len=getalen(SEQ,c->val,j); + if (len<0) return 0; + j+=skip(len); + + len=getalen(UTC,c->val,j); + if (len<0) return 0; + j+=skip(len)+len; + + len=getalen(UTC,c->val,j); + if (len<0) return 0; + j+=skip(len); + + return j; +} + +void print_out(char *des,octet *c,int index,int len) +{ + int i; + printf("%s [",des); + for (i=0; i<len; i++) + printf("%c",c->val[index+i]); + printf("]\n"); +} + +void print_date(char *des,octet *c,int index) +{ + int i=index; + printf("%s [",des); + if (i==0) printf("]\n"); + else printf("20%c%c-%c%c-%c%c %c%c:%c%c:%c%c]\n",c->val[i],c->val[i+1],c->val[i+2],c->val[i+3],c->val[i+4],c->val[i+5],c->val[i+6],c->val[i+7],c->val[i+8],c->val[i+9],c->val[i+10],c->val[i+11]); +} + + +#ifdef HAS_MAIN + +/* This simple driver program is hard-wired to support just one elliptic curve and one + RSA bit length. To change replace the text string NIST256 in the main program to + another curve and 2048 to some other value, where the curve and the RSA bit length + are suppported by the library. Of course a more elaborate program could support + muliple curves simultaneously */ + +#define CHOICE NIST256 + + + +/* test driver program */ +// Sample Certs. Uncomment one CA cert and one example cert. Note that AMCL library must be built to support given curve. +// Sample Certs all created using OpenSSL - see http://blog.didierstevens.com/2008/12/30/howto-make-your-own-cert-with-openssl/ +// Note - SSL currently only supports NIST curves. Howevever version 1.1.0 of OpenSSL now supports C25519 + +#if CHOICE==NIST256 + +#include "ecdh_NIST256.h" +#include "rsa_2048.h" + +// ** CA is RSA 2048-bit based - for use with NIST256 build of library - assumes use of SHA256 in Certs +// RSA 2048 Self-Signed CA cert +char ca_b64[]="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 Z2FPOvf2eMc5RCZYigNKhsxru5Ojw0lPcpa8DDmEsdZDf7p0vlmf7T7xH9gtoInh4DzgI8HRHFc8R/z2/jLX7nlLoopKX5yp7F1gRACg0pd4tGpQ6EnBNcYZZghFH9UIRDmx+vDlwDCu8vyRPt35orrEiI4XGq/QkvxxAb5YWxQ4i06064ULfyCI7suu3KoobdM1aAaA8zhpOOBXKbq+Wi9IGFe/wiEMHLmfHdt9CBTjIWb//IHji4RT05kCmTVrx97pb7EHafuL3L10mM5cpTyBWKnb4kMFtx9yw+S2U="; +// an RSA 2048 CA-signed cert +//char cert_b64[]="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 kB1HSsB0ts8DjzFLySonFjSSLHDU0ox9/uFbJMzipy3ijAA4XM0N4jRrUfrmxpA7DOOsbEbGkvvB7VK9+s9PHE/4dJTwhSteplUnhxVFkkDo/JwaLx4/IEQRlCF3KEQ5s3AwRHnbrIjOY2yONxHBtJEp7QN5aOHruwvMNRNheCBPiQJyLitUsFGr4voANmobkrFgYtu0tRMQ=="; +// an ECC 256 CA-signed cert +char cert_b64[]="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"; + +// ** CA is ECC 256 based - for use with NIST256 build of library +// ECC 256 Self-Signed CA cert +//char ca_b64[]="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"; +// an ECC 256 CA-signed cert +//char cert_b64[]="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"; +// an RSA 2048 CA-signed cert +//char cert_b64[]="MIICiDCCAi4CAQIwCgYIKoZIzj0EAwIwUzELMAkGA1UEBhMCSUUxEDAOBgNVBAgMB0lyZWxhbmQxDzANBgNVBAcMBkR1YmxpbjEhMB8GA1UECgwYSW50ZXJuZXQgV2lkZ2l0cyBQdHkgTHRkMB4XDTE1MTEyNjEzMzcwNVoXDTE3MTEyNTEzMzcwNVowgYExCzAJBgNVBAYTAklFMQ8wDQYDVQQIDAZJZWxhbmQxDzANBgNVBAcMBkR1YmxpbjERMA8GA1UECgwIQ2VydGl2b3gxDTALBgNVBAsMBExhYnMxDTALBgNVBAMMBE1pa2UxHzAdBgkqhkiG9w0BCQEWEG1zY290dEBpbmRpZ28uaWUwggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQCjPBVwmPg8Gwx0+8xekmomptA0BDwS7NUfBetqDqNMNyji0bSe8LAfpciU7NW/HWfUE1lndCqSDDwnMJmwC5e3GAl/Bus+a+z8ruEhWGbn95xrHXFkOawbRlXuS7UcEQCvPr8KQHhNsg4cyV7Hn527CPUl27n+WN8/pANo01cTN/dQaK87naU0Mid09vktlMKSN0zyJOnc5CsaTLs+vCRKJ9sUL3d4IQIA2y7gvrTe+iY/QI26nqhGpNWYyFkAdy9PdHUEnDI6JsfF7jFh37yG7XEgDDA3asp/oi1T1+ZoASj2boL++opdqCzDndeWwzDWAWuvJ9wULd80ti6x737ZAgMBAAEwCgYIKoZIzj0EAwIDSAAwRQIgCDwgl98+9moBo+etaLt8MvB/z5Ti6i9neRTZkvoFl7YCIQDq//M3OB757fepErRzIQo3aFAFYjOooi6WdSqP3XqGIg=="; + +#endif + +#if CHOICE==NIST384 + +#include "ecdh_NIST384.h" +#include "rsa_3072.h" + +// ** CA is RSA 3072-bit based - for use with NIST384 build of library - assumes use of SHA384 in Certs +// RSA 3072 Self-Signed CA cert +char ca_b64[]="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"; +// an RSA 3072 CA-signed cert +//char cert_b64[]="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"; +// an ECC 384 CA-signed cert +char cert_b64[]="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 h+WOzQthrHJv0YuQt3NuDQEMkvz+23YvzZlr+e2XqDlMhyR01Kk0MXeLGGcv"; + +// ** CA is ECC 384 based - - for use with NIST384 build of library - assumes use of SHA384 in Certs +// ECC 384 Self-Signed CA Cert +//char ca_b64[]="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"; +// an ECC 384 CA-signed cert +//char cert_b64[]="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"; +// an RSA 3072 CA-signed cert +//char cert_b64[]="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 yNjMtyA2Qlkq/0AjB+SJQbLgycNJH5SnR/X5wx26/62ln9s0swUtlCYVtNzyEQ3YRHSZbmTbh16RUT7Ak="; + +#endif + +#if CHOICE==NIST521 + +#include "ecdh_NIST521.h" +#include "rsa_4096.h" + +// ** CA is ECC 521 based - - for use with NIST521 build of library - assumes use of SHA512 in Certs +// ECC 521 Self-Signed CA Cert +char ca_b64[]="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 Q4h93CENN4MH/86XNozO9USh+ydTislAcXvCb0"; +// an ECC 521 CA-signed cert +char cert_b64[]="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"; + +#endif + +char io[5000]; +octet IO= {0,sizeof(io),io}; + +#define MAXMODBYTES 72 +#define MAXFFLEN 16 + +char sig[MAXMODBYTES*MAXFFLEN]; +octet SIG= {0,sizeof(sig),sig}; + +char r[MAXMODBYTES]; +octet R= {0,sizeof(r),r}; + +char s[MAXMODBYTES]; +octet S= {0,sizeof(s),s}; + +char cakey[MAXMODBYTES*MAXFFLEN]; +octet CAKEY= {0,sizeof(cakey),cakey}; + +char certkey[MAXMODBYTES*MAXFFLEN]; +octet CERTKEY= {0,sizeof(certkey),certkey}; + +char h[5000]; +octet H= {0,sizeof(h),h}; + +char hh[5000]; +octet HH= {0,sizeof(hh),hh}; + +char hp[RFS_2048]; +octet HP= {0,sizeof(hp),hp}; + + +int main() +{ + int res,len,sha; + int c,ic; + rsa_public_key_2048 PK; + pktype st,ca,pt; + + printf("First check signature on self-signed cert and extract CA public key\n"); + OCT_frombase64(&IO,ca_b64); + printf("CA Self-Signed Cert= \n"); + OCT_output(&IO); + printf("\n"); + + st=X509_extract_cert_sig(&IO,&SIG); // returns signature type + + if (st.type==0) + { + printf("Unable to extract cert signature\n"); + return 0; + } + + if (st.type==ECC) + { + OCT_chop(&SIG,&S,SIG.len/2); + OCT_copy(&R,&SIG); + printf("ECC SIG= \n"); + OCT_output(&R); + OCT_output(&S); + printf("\n"); + } + + if (st.type==RSA) + { + printf("RSA SIG= \n"); + OCT_output(&SIG); + printf("\n"); + } + + if (st.hash==H256) printf("Hashed with SHA256\n"); + if (st.hash==H384) printf("Hashed with SHA384\n"); + if (st.hash==H512) printf("Hashed with SHA512\n"); + +// Extract Cert from signed Cert + + c=X509_extract_cert(&IO,&H); + + printf("\nCert= \n"); + OCT_output(&H); + printf("\n"); + +// show some details + printf("Issuer Details\n"); + ic=X509_find_issuer(&H); + c=X509_find_entity_property(&H,&ON,ic,&len); + print_out("owner=",&H,c,len); + c=X509_find_entity_property(&H,&CN,ic,&len); + print_out("country=",&H,c,len); + c=X509_find_entity_property(&H,&EN,ic,&len); + print_out("email=",&H,c,len); + printf("\n"); + + ca=X509_extract_public_key(&H,&CAKEY); + + if (ca.type==0) + { + printf("Not supported by library\n"); + return 0; + } + if (ca.type!=st.type) + { + printf("Not self-signed\n"); + } + + if (ca.type==ECC) + { + printf("EXTRACTED ECC PUBLIC KEY= \n"); + OCT_output(&CAKEY); + } + if (ca.type==RSA) + { + printf("EXTRACTED RSA PUBLIC KEY= \n"); + OCT_output(&CAKEY); + } + printf("\n"); + +// Cert is self-signed - so check signature + + printf("Checking Self-Signed Signature\n"); + if (ca.type==ECC) + { + if (ca.curve!=CHOICE) + { + printf("Curve is not supported\n"); + return 0; + } + res=ECP_NIST256_PUBLIC_KEY_VALIDATE(1,&CAKEY); + if (res!=0) + { + printf("ECP Public Key is invalid!\n"); + return 0; + } + else printf("ECP Public Key is Valid\n"); + + sha=0; + + if (st.hash==H256) sha=SHA256; + if (st.hash==H384) sha=SHA384; + if (st.hash==H512) sha=SHA512; + if (st.hash==0) + { + printf("Hash Function not supported\n"); + return 0; + } + + if (ECP_NIST256_VP_DSA(sha,&CAKEY,&H,&R,&S)!=0) + { + printf("***ECDSA Verification Failed\n"); + return 0; + } + else + printf("ECDSA Signature/Verification succeeded \n"); + } + + if (ca.type==RSA) + { + if (ca.curve!=2048) + { + printf("RSA bit size is not supported\n"); + return 0; + } + PK.e=65537; // assuming this! + RSA_2048_fromOctet(PK.n,&CAKEY); + + sha=0; + + if (st.hash==H256) sha=SHA256; + if (st.hash==H384) sha=SHA384; + if (st.hash==H512) sha=SHA512; + if (st.hash==0) + { + printf("Hash Function not supported\n"); + return 0; + } + PKCS15(sha,&H,&HP); + + RSA_2048_ENCRYPT(&PK,&SIG,&HH); + + if (OCT_comp(&HP,&HH)) + printf("RSA Signature/Verification succeeded \n"); + else + { + printf("***RSA Verification Failed\n"); + return 0; + } + } + + printf("\nNext check CA signature on cert, and extract public key\n"); + + OCT_frombase64(&IO,cert_b64); + printf("Example Cert= \n"); + OCT_output(&IO); + printf("\n"); + + st=X509_extract_cert_sig(&IO,&SIG); + + if (st.type==0) + { + printf("Unable to check cert signature\n"); + return 0; + } + + if (st.type==ECC) + { + OCT_chop(&SIG,&S,SIG.len/2); + OCT_copy(&R,&SIG); + printf("SIG= \n"); + OCT_output(&R); + + OCT_output(&S); + + printf("\n"); + } + + if (st.type==RSA) + { + printf("SIG= \n"); + OCT_output(&SIG); + printf("\n"); + } + + c=X509_extract_cert(&IO,&H); + + printf("Cert= \n"); + OCT_output(&H); + printf("\n"); + + printf("Subject Details\n"); + ic=X509_find_subject(&H); + c=X509_find_entity_property(&H,&ON,ic,&len); + print_out("owner=",&H,c,len); + c=X509_find_entity_property(&H,&CN,ic,&len); + print_out("country=",&H,c,len); + c=X509_find_entity_property(&H,&EN,ic,&len); + print_out("email=",&H,c,len); + printf("\n"); + + ic=X509_find_validity(&H); + c=X509_find_start_date(&H,ic); + print_date("start date= ",&H,c); + c=X509_find_expiry_date(&H,ic); + print_date("expiry date=",&H,c); + printf("\n"); + + pt=X509_extract_public_key(&H,&CERTKEY); + + if (pt.type==0) + { + printf("Not supported by library\n"); + return 0; + } + + if (pt.type==ECC) + { + printf("EXTRACTED ECC PUBLIC KEY= \n"); + OCT_output(&CERTKEY); + } + if (pt.type==RSA) + { + printf("EXTRACTED RSA PUBLIC KEY= \n"); + OCT_output(&CERTKEY); + } + + printf("\n"); + + /* Check CA signature */ + + if (ca.type==ECC) + { + printf("Checking CA's ECC Signature on Cert\n"); + res=ECP_NIST256_PUBLIC_KEY_VALIDATE(1,&CAKEY); + if (res!=0) + printf("ECP Public Key is invalid!\n"); + else printf("ECP Public Key is Valid\n"); + + sha=0; + + if (st.hash==H256) sha=SHA256; + if (st.hash==H384) sha=SHA384; + if (st.hash==H512) sha=SHA512; + if (st.hash==0) + { + printf("Hash Function not supported\n"); + return 0; + } + + if (ECP_NIST256_VP_DSA(sha,&CAKEY,&H,&R,&S)!=0) + printf("***ECDSA Verification Failed\n"); + else + printf("ECDSA Signature/Verification succeeded \n"); + } + + if (ca.type==RSA) + { + printf("Checking CA's RSA Signature on Cert\n"); + PK.e=65537; // assuming this! + RSA_2048_fromOctet(PK.n,&CAKEY); + + sha=0; + + if (st.hash==H256) sha=SHA256; + if (st.hash==H384) sha=SHA384; + if (st.hash==H512) sha=SHA512; + if (st.hash==0) + { + printf("Hash Function not supported\n"); + return 0; + } + PKCS15(sha,&H,&HP); + + RSA_2048_ENCRYPT(&PK,&SIG,&HH); + + if (OCT_comp(&HP,&HH)) + printf("RSA Signature/Verification succeeded \n"); + else + printf("***RSA Verification Failed\n"); + + } + + return 0; +} + +#endif
http://git-wip-us.apache.org/repos/asf/incubator-milagro-crypto/blob/c25f9e5c/version3/c/x509.h ---------------------------------------------------------------------- diff --git a/version3/c/x509.h b/version3/c/x509.h new file mode 100644 index 0000000..2c4a7b9 --- /dev/null +++ b/version3/c/x509.h @@ -0,0 +1,109 @@ +/* +Licensed to the Apache Software Foundation (ASF) under one +or more contributor license agreements. See the NOTICE file +distributed with this work for additional information +regarding copyright ownership. The ASF licenses this file +to you under the Apache License, Version 2.0 (the +"License"); you may not use this file except in compliance +with the License. You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + +Unless required by applicable law or agreed to in writing, +software distributed under the License is distributed on an +"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY +KIND, either express or implied. See the License for the +specific language governing permissions and limitations +under the License. +*/ + +/* AMCL x509 header file */ + +/** + * @file x509.h + * @author Mike Scott + * @brief X509 function Header File + * + */ + +#ifndef X509_H +#define X509_H + +/** + * @brief Public key type + */ +typedef struct +{ + int type; /**< signature type (ECC or RSA) */ + int hash; /**< hash type */ + int curve; /**< elliptic curve used or RSA key length in bits */ +} pktype; + + +/* X.509 functions */ +/** @brief Extract certificate signature + * + @param c an X.509 certificate + @param s the extracted signature + @return 0 on failure, or indicator of signature type (ECC or RSA) + +*/ +extern pktype X509_extract_cert_sig(octet *c,octet *s); +/** @brief + * + @param sc a signed certificate + @param c the extracted certificate + @return 0 on failure +*/ +extern int X509_extract_cert(octet *sc,octet *c); +/** @brief + * + @param c an X.509 certificate + @param k the extracted key + @return 0 on failure, or indicator of public key type (ECC or RSA) +*/ +extern pktype X509_extract_public_key(octet *c,octet *k); +/** @brief + * + @param c an X.509 certificate + @return 0 on failure, or pointer to issuer field in cert +*/ +extern int X509_find_issuer(octet *c); +/** @brief + * + @param c an X.509 certificate + @return 0 on failure, or pointer to validity field in cert +*/ +extern int X509_find_validity(octet *c); +/** @brief + * + @param c an X.509 certificate + @return 0 on failure, or pointer to subject field in cert +*/ +extern int X509_find_subject(octet *c); +/** @brief + * + @param c an X.509 certificate + @param S is OID of property we are looking for + @param s is a pointer to the section of interest in the cert + @param f is pointer to the length of the property + @return 0 on failure, or pointer to the property +*/ +extern int X509_find_entity_property(octet *c,octet *S,int s,int *f); +/** @brief + * + @param c an X.509 certificate + @param s is a pointer to the start of the validity field + @return 0 on failure, or pointer to the start date +*/ +extern int X509_find_start_date(octet *c,int s); +/** @brief + * + @param c an X.509 certificate + @param s is a pointer to the start of the validity field + @return 0 on failure, or pointer to the expiry date +*/ +extern int X509_find_expiry_date(octet *c,int s); + + +#endif http://git-wip-us.apache.org/repos/asf/incubator-milagro-crypto/blob/c25f9e5c/version3/check.cpp ---------------------------------------------------------------------- diff --git a/version3/check.cpp b/version3/check.cpp new file mode 100644 index 0000000..5835644 --- /dev/null +++ b/version3/check.cpp @@ -0,0 +1,108 @@ +/* +Licensed to the Apache Software Foundation (ASF) under one +or more contributor license agreements. See the NOTICE file +distributed with this work for additional information +regarding copyright ownership. The ASF licenses this file +to you under the Apache License, Version 2.0 (the +"License"); you may not use this file except in compliance +with the License. You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + +Unless required by applicable law or agreed to in writing, +software distributed under the License is distributed on an +"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY +KIND, either express or implied. See the License for the +specific language governing permissions and limitations +under the License. +*/ + +/* Utility to recommend best choice for BASEBITS + +(MINGW build) + +g++ -O2 check.cpp big.cpp miracl.a -o check.exe */ + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include "big.h" + +using namespace std; + +Miracl precision=20; + +// calculate maximum excess given base, length in words, length in bits +int maxxes(int b,int n,int m) +{ + int mx=n*b-m; + int tp=m%b; + if (mx >= tp) + mx=tp-1; + return mx; +} + +int main(int argc, char *argv[]) +{ + int p,w,b,n,s,t,e,ex,mx; + Big lhs,rhs; + + argc--; argv++; + + if (argc!=2) + { + printf("Bad arguments\n"); + printf("check wordlength modulus-length\n"); + printf("Wordlength can be 16, 32 or 64 (or 26 for Javascript)\n"); + printf("Example:\n"); + printf("check 32 256\n"); + printf("Outputs choices for BASEBITS, number of words per Big, and number of spare bits\n"); + printf("Normally choose for minimum words per Big, and maximum excess bits\n"); + printf("Ideally >=5 excess bits for Edwards curves\n"); + printf("Ideally >=10 excess bits for Weierstrass curves\n"); + printf("Ideally >=23 excess bits for pairings\n"); + exit(0); + } + + n=atoi(argv[0]); + p=atoi(argv[1]); // Number of bits in prime modulus + + if (n!=16 && n!=26 && n!=32 && n!=64) + { + printf("wordlength must be 16, 32 or 64 (or 26 for Javascript)\n"); + return 0; + } + + rhs=pow((Big)2,2*n-1); + e=3; // need at least 3 bits to allow adds and subtracts without normalisation + if (n==26) + { + rhs*=2; // no sign bit to worry about in Javascript + e=1; // not an issue for Javascript + } + + for (b=n-e;b>=n-8;b--) + { + if (n==64 && b%2!=0) continue; // insist on even values for 64-bit builds + w=p/b; if (p%b!=0) w++; + s=w*b-p; + + lhs=(w+2)*pow((Big)2,2*b); // sum of products plus carry plus one for redc + + if (lhs>=rhs) {printf("Stability violation for BASEBITS= %d\n",b); continue;} + + mx=s; + if (mx>(n-4)/2) + mx=(n-4)/2; + +// At least 4 bits spare needed for field excess. + if (mx<4) {printf("Not enough Fp excess for BASEBITS= %d\n",b); continue;} +// At least 2 spare bits needed for FF excess + t=b*(1+(p-1)/b) - 8*(1+(p-1)/8); + if (t<2 || t>=b) {printf("Not enough FF excess for BASEBITS= %d\n",b);} + + printf("Solution for BASEBITS= %d, Words Per Big=%d, Max excess= %d\n",b,w,mx); + } + + return 0; +} http://git-wip-us.apache.org/repos/asf/incubator-milagro-crypto/blob/c25f9e5c/version3/cpp/aes.cpp ---------------------------------------------------------------------- diff --git a/version3/cpp/aes.cpp b/version3/cpp/aes.cpp new file mode 100644 index 0000000..4d4c325 --- /dev/null +++ b/version3/cpp/aes.cpp @@ -0,0 +1,706 @@ +/* +Licensed to the Apache Software Foundation (ASF) under one +or more contributor license agreements. See the NOTICE file +distributed with this work for additional information +regarding copyright ownership. The ASF licenses this file +to you under the Apache License, Version 2.0 (the +"License"); you may not use this file except in compliance +with the License. You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + +Unless required by applicable law or agreed to in writing, +software distributed under the License is distributed on an +"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY +KIND, either express or implied. See the License for the +specific language governing permissions and limitations +under the License. +*/ + + +/* + * Implementation of the NIST Advanced Ecryption Standard + * + * SU=m, SU is Stack Usage + */ + +#include <stdlib.h> + + +#include "arch.h" +#include "amcl.h" + +/* this is fixed */ +#define NB 4 + +/* Rotates 32-bit word left by 1, 2 or 3 byte */ + +#define ROTL8(x) (((x)<<8)|((x)>>24)) +#define ROTL16(x) (((x)<<16)|((x)>>16)) +#define ROTL24(x) (((x)<<24)|((x)>>8)) + +static const uchar InCo[4]= {0xB,0xD,0x9,0xE}; /* Inverse Coefficients */ + +static const uchar ptab[]= +{ + 1,3,5,15,17,51,85,255,26,46,114,150,161,248,19,53, + 95,225,56,72,216,115,149,164,247,2,6,10,30,34,102,170, + 229,52,92,228,55,89,235,38,106,190,217,112,144,171,230,49, + 83,245,4,12,20,60,68,204,79,209,104,184,211,110,178,205, + 76,212,103,169,224,59,77,215,98,166,241,8,24,40,120,136, + 131,158,185,208,107,189,220,127,129,152,179,206,73,219,118,154, + 181,196,87,249,16,48,80,240,11,29,39,105,187,214,97,163, + 254,25,43,125,135,146,173,236,47,113,147,174,233,32,96,160, + 251,22,58,78,210,109,183,194,93,231,50,86,250,21,63,65, + 195,94,226,61,71,201,64,192,91,237,44,116,156,191,218,117, + 159,186,213,100,172,239,42,126,130,157,188,223,122,142,137,128, + 155,182,193,88,232,35,101,175,234,37,111,177,200,67,197,84, + 252,31,33,99,165,244,7,9,27,45,119,153,176,203,70,202, + 69,207,74,222,121,139,134,145,168,227,62,66,198,81,243,14, + 18,54,90,238,41,123,141,140,143,138,133,148,167,242,13,23, + 57,75,221,124,132,151,162,253,28,36,108,180,199,82,246,1 +}; + +static const uchar ltab[]= +{ + 0,255,25,1,50,2,26,198,75,199,27,104,51,238,223,3, + 100,4,224,14,52,141,129,239,76,113,8,200,248,105,28,193, + 125,194,29,181,249,185,39,106,77,228,166,114,154,201,9,120, + 101,47,138,5,33,15,225,36,18,240,130,69,53,147,218,142, + 150,143,219,189,54,208,206,148,19,92,210,241,64,70,131,56, + 102,221,253,48,191,6,139,98,179,37,226,152,34,136,145,16, + 126,110,72,195,163,182,30,66,58,107,40,84,250,133,61,186, + 43,121,10,21,155,159,94,202,78,212,172,229,243,115,167,87, + 175,88,168,80,244,234,214,116,79,174,233,213,231,230,173,232, + 44,215,117,122,235,22,11,245,89,203,95,176,156,169,81,160, + 127,12,246,111,23,196,73,236,216,67,31,45,164,118,123,183, + 204,187,62,90,251,96,177,134,59,82,161,108,170,85,41,157, + 151,178,135,144,97,190,220,252,188,149,207,205,55,63,91,209, + 83,57,132,60,65,162,109,71,20,42,158,93,86,242,211,171, + 68,17,146,217,35,32,46,137,180,124,184,38,119,153,227,165, + 103,74,237,222,197,49,254,24,13,99,140,128,192,247,112,7 +}; + +static const uchar fbsub[]= +{ + 99,124,119,123,242,107,111,197,48,1,103,43,254,215,171,118, + 202,130,201,125,250,89,71,240,173,212,162,175,156,164,114,192, + 183,253,147,38,54,63,247,204,52,165,229,241,113,216,49,21, + 4,199,35,195,24,150,5,154,7,18,128,226,235,39,178,117, + 9,131,44,26,27,110,90,160,82,59,214,179,41,227,47,132, + 83,209,0,237,32,252,177,91,106,203,190,57,74,76,88,207, + 208,239,170,251,67,77,51,133,69,249,2,127,80,60,159,168, + 81,163,64,143,146,157,56,245,188,182,218,33,16,255,243,210, + 205,12,19,236,95,151,68,23,196,167,126,61,100,93,25,115, + 96,129,79,220,34,42,144,136,70,238,184,20,222,94,11,219, + 224,50,58,10,73,6,36,92,194,211,172,98,145,149,228,121, + 231,200,55,109,141,213,78,169,108,86,244,234,101,122,174,8, + 186,120,37,46,28,166,180,198,232,221,116,31,75,189,139,138, + 112,62,181,102,72,3,246,14,97,53,87,185,134,193,29,158, + 225,248,152,17,105,217,142,148,155,30,135,233,206,85,40,223, + 140,161,137,13,191,230,66,104,65,153,45,15,176,84,187,22 +}; + +static const uchar rbsub[]= +{ + 82,9,106,213,48,54,165,56,191,64,163,158,129,243,215,251, + 124,227,57,130,155,47,255,135,52,142,67,68,196,222,233,203, + 84,123,148,50,166,194,35,61,238,76,149,11,66,250,195,78, + 8,46,161,102,40,217,36,178,118,91,162,73,109,139,209,37, + 114,248,246,100,134,104,152,22,212,164,92,204,93,101,182,146, + 108,112,72,80,253,237,185,218,94,21,70,87,167,141,157,132, + 144,216,171,0,140,188,211,10,247,228,88,5,184,179,69,6, + 208,44,30,143,202,63,15,2,193,175,189,3,1,19,138,107, + 58,145,17,65,79,103,220,234,151,242,207,206,240,180,230,115, + 150,172,116,34,231,173,53,133,226,249,55,232,28,117,223,110, + 71,241,26,113,29,41,197,137,111,183,98,14,170,24,190,27, + 252,86,62,75,198,210,121,32,154,219,192,254,120,205,90,244, + 31,221,168,51,136,7,199,49,177,18,16,89,39,128,236,95, + 96,81,127,169,25,181,74,13,45,229,122,159,147,201,156,239, + 160,224,59,77,174,42,245,176,200,235,187,60,131,83,153,97, + 23,43,4,126,186,119,214,38,225,105,20,99,85,33,12,125 +}; + +static const unsign32 rco[]= +{1,2,4,8,16,32,64,128,27,54,108,216,171,77,154,47}; + +static const unsign32 ftable[]= +{ + 0xa56363c6,0x847c7cf8,0x997777ee,0x8d7b7bf6,0xdf2f2ff,0xbd6b6bd6, + 0xb16f6fde,0x54c5c591,0x50303060,0x3010102,0xa96767ce,0x7d2b2b56, + 0x19fefee7,0x62d7d7b5,0xe6abab4d,0x9a7676ec,0x45caca8f,0x9d82821f, + 0x40c9c989,0x877d7dfa,0x15fafaef,0xeb5959b2,0xc947478e,0xbf0f0fb, + 0xecadad41,0x67d4d4b3,0xfda2a25f,0xeaafaf45,0xbf9c9c23,0xf7a4a453, + 0x967272e4,0x5bc0c09b,0xc2b7b775,0x1cfdfde1,0xae93933d,0x6a26264c, + 0x5a36366c,0x413f3f7e,0x2f7f7f5,0x4fcccc83,0x5c343468,0xf4a5a551, + 0x34e5e5d1,0x8f1f1f9,0x937171e2,0x73d8d8ab,0x53313162,0x3f15152a, + 0xc040408,0x52c7c795,0x65232346,0x5ec3c39d,0x28181830,0xa1969637, + 0xf05050a,0xb59a9a2f,0x907070e,0x36121224,0x9b80801b,0x3de2e2df, + 0x26ebebcd,0x6927274e,0xcdb2b27f,0x9f7575ea,0x1b090912,0x9e83831d, + 0x742c2c58,0x2e1a1a34,0x2d1b1b36,0xb26e6edc,0xee5a5ab4,0xfba0a05b, + 0xf65252a4,0x4d3b3b76,0x61d6d6b7,0xceb3b37d,0x7b292952,0x3ee3e3dd, + 0x712f2f5e,0x97848413,0xf55353a6,0x68d1d1b9,0x0,0x2cededc1, + 0x60202040,0x1ffcfce3,0xc8b1b179,0xed5b5bb6,0xbe6a6ad4,0x46cbcb8d, + 0xd9bebe67,0x4b393972,0xde4a4a94,0xd44c4c98,0xe85858b0,0x4acfcf85, + 0x6bd0d0bb,0x2aefefc5,0xe5aaaa4f,0x16fbfbed,0xc5434386,0xd74d4d9a, + 0x55333366,0x94858511,0xcf45458a,0x10f9f9e9,0x6020204,0x817f7ffe, + 0xf05050a0,0x443c3c78,0xba9f9f25,0xe3a8a84b,0xf35151a2,0xfea3a35d, + 0xc0404080,0x8a8f8f05,0xad92923f,0xbc9d9d21,0x48383870,0x4f5f5f1, + 0xdfbcbc63,0xc1b6b677,0x75dadaaf,0x63212142,0x30101020,0x1affffe5, + 0xef3f3fd,0x6dd2d2bf,0x4ccdcd81,0x140c0c18,0x35131326,0x2fececc3, + 0xe15f5fbe,0xa2979735,0xcc444488,0x3917172e,0x57c4c493,0xf2a7a755, + 0x827e7efc,0x473d3d7a,0xac6464c8,0xe75d5dba,0x2b191932,0x957373e6, + 0xa06060c0,0x98818119,0xd14f4f9e,0x7fdcdca3,0x66222244,0x7e2a2a54, + 0xab90903b,0x8388880b,0xca46468c,0x29eeeec7,0xd3b8b86b,0x3c141428, + 0x79dedea7,0xe25e5ebc,0x1d0b0b16,0x76dbdbad,0x3be0e0db,0x56323264, + 0x4e3a3a74,0x1e0a0a14,0xdb494992,0xa06060c,0x6c242448,0xe45c5cb8, + 0x5dc2c29f,0x6ed3d3bd,0xefacac43,0xa66262c4,0xa8919139,0xa4959531, + 0x37e4e4d3,0x8b7979f2,0x32e7e7d5,0x43c8c88b,0x5937376e,0xb76d6dda, + 0x8c8d8d01,0x64d5d5b1,0xd24e4e9c,0xe0a9a949,0xb46c6cd8,0xfa5656ac, + 0x7f4f4f3,0x25eaeacf,0xaf6565ca,0x8e7a7af4,0xe9aeae47,0x18080810, + 0xd5baba6f,0x887878f0,0x6f25254a,0x722e2e5c,0x241c1c38,0xf1a6a657, + 0xc7b4b473,0x51c6c697,0x23e8e8cb,0x7cdddda1,0x9c7474e8,0x211f1f3e, + 0xdd4b4b96,0xdcbdbd61,0x868b8b0d,0x858a8a0f,0x907070e0,0x423e3e7c, + 0xc4b5b571,0xaa6666cc,0xd8484890,0x5030306,0x1f6f6f7,0x120e0e1c, + 0xa36161c2,0x5f35356a,0xf95757ae,0xd0b9b969,0x91868617,0x58c1c199, + 0x271d1d3a,0xb99e9e27,0x38e1e1d9,0x13f8f8eb,0xb398982b,0x33111122, + 0xbb6969d2,0x70d9d9a9,0x898e8e07,0xa7949433,0xb69b9b2d,0x221e1e3c, + 0x92878715,0x20e9e9c9,0x49cece87,0xff5555aa,0x78282850,0x7adfdfa5, + 0x8f8c8c03,0xf8a1a159,0x80898909,0x170d0d1a,0xdabfbf65,0x31e6e6d7, + 0xc6424284,0xb86868d0,0xc3414182,0xb0999929,0x772d2d5a,0x110f0f1e, + 0xcbb0b07b,0xfc5454a8,0xd6bbbb6d,0x3a16162c +}; + +static const unsign32 rtable[]= +{ + 0x50a7f451,0x5365417e,0xc3a4171a,0x965e273a,0xcb6bab3b,0xf1459d1f, + 0xab58faac,0x9303e34b,0x55fa3020,0xf66d76ad,0x9176cc88,0x254c02f5, + 0xfcd7e54f,0xd7cb2ac5,0x80443526,0x8fa362b5,0x495ab1de,0x671bba25, + 0x980eea45,0xe1c0fe5d,0x2752fc3,0x12f04c81,0xa397468d,0xc6f9d36b, + 0xe75f8f03,0x959c9215,0xeb7a6dbf,0xda595295,0x2d83bed4,0xd3217458, + 0x2969e049,0x44c8c98e,0x6a89c275,0x78798ef4,0x6b3e5899,0xdd71b927, + 0xb64fe1be,0x17ad88f0,0x66ac20c9,0xb43ace7d,0x184adf63,0x82311ae5, + 0x60335197,0x457f5362,0xe07764b1,0x84ae6bbb,0x1ca081fe,0x942b08f9, + 0x58684870,0x19fd458f,0x876cde94,0xb7f87b52,0x23d373ab,0xe2024b72, + 0x578f1fe3,0x2aab5566,0x728ebb2,0x3c2b52f,0x9a7bc586,0xa50837d3, + 0xf2872830,0xb2a5bf23,0xba6a0302,0x5c8216ed,0x2b1ccf8a,0x92b479a7, + 0xf0f207f3,0xa1e2694e,0xcdf4da65,0xd5be0506,0x1f6234d1,0x8afea6c4, + 0x9d532e34,0xa055f3a2,0x32e18a05,0x75ebf6a4,0x39ec830b,0xaaef6040, + 0x69f715e,0x51106ebd,0xf98a213e,0x3d06dd96,0xae053edd,0x46bde64d, + 0xb58d5491,0x55dc471,0x6fd40604,0xff155060,0x24fb9819,0x97e9bdd6, + 0xcc434089,0x779ed967,0xbd42e8b0,0x888b8907,0x385b19e7,0xdbeec879, + 0x470a7ca1,0xe90f427c,0xc91e84f8,0x0,0x83868009,0x48ed2b32, + 0xac70111e,0x4e725a6c,0xfbff0efd,0x5638850f,0x1ed5ae3d,0x27392d36, + 0x64d90f0a,0x21a65c68,0xd1545b9b,0x3a2e3624,0xb1670a0c,0xfe75793, + 0xd296eeb4,0x9e919b1b,0x4fc5c080,0xa220dc61,0x694b775a,0x161a121c, + 0xaba93e2,0xe52aa0c0,0x43e0223c,0x1d171b12,0xb0d090e,0xadc78bf2, + 0xb9a8b62d,0xc8a91e14,0x8519f157,0x4c0775af,0xbbdd99ee,0xfd607fa3, + 0x9f2601f7,0xbcf5725c,0xc53b6644,0x347efb5b,0x7629438b,0xdcc623cb, + 0x68fcedb6,0x63f1e4b8,0xcadc31d7,0x10856342,0x40229713,0x2011c684, + 0x7d244a85,0xf83dbbd2,0x1132f9ae,0x6da129c7,0x4b2f9e1d,0xf330b2dc, + 0xec52860d,0xd0e3c177,0x6c16b32b,0x99b970a9,0xfa489411,0x2264e947, + 0xc48cfca8,0x1a3ff0a0,0xd82c7d56,0xef903322,0xc74e4987,0xc1d138d9, + 0xfea2ca8c,0x360bd498,0xcf81f5a6,0x28de7aa5,0x268eb7da,0xa4bfad3f, + 0xe49d3a2c,0xd927850,0x9bcc5f6a,0x62467e54,0xc2138df6,0xe8b8d890, + 0x5ef7392e,0xf5afc382,0xbe805d9f,0x7c93d069,0xa92dd56f,0xb31225cf, + 0x3b99acc8,0xa77d1810,0x6e639ce8,0x7bbb3bdb,0x97826cd,0xf418596e, + 0x1b79aec,0xa89a4f83,0x656e95e6,0x7ee6ffaa,0x8cfbc21,0xe6e815ef, + 0xd99be7ba,0xce366f4a,0xd4099fea,0xd67cb029,0xafb2a431,0x31233f2a, + 0x3094a5c6,0xc066a235,0x37bc4e74,0xa6ca82fc,0xb0d090e0,0x15d8a733, + 0x4a9804f1,0xf7daec41,0xe50cd7f,0x2ff69117,0x8dd64d76,0x4db0ef43, + 0x544daacc,0xdf0496e4,0xe3b5d19e,0x1b886a4c,0xb81f2cc1,0x7f516546, + 0x4ea5e9d,0x5d358c01,0x737487fa,0x2e410bfb,0x5a1d67b3,0x52d2db92, + 0x335610e9,0x1347d66d,0x8c61d79a,0x7a0ca137,0x8e14f859,0x893c13eb, + 0xee27a9ce,0x35c961b7,0xede51ce1,0x3cb1477a,0x59dfd29c,0x3f73f255, + 0x79ce1418,0xbf37c773,0xeacdf753,0x5baafd5f,0x146f3ddf,0x86db4478, + 0x81f3afca,0x3ec468b9,0x2c342438,0x5f40a3c2,0x72c31d16,0xc25e2bc, + 0x8b493c28,0x41950dff,0x7101a839,0xdeb30c08,0x9ce4b4d8,0x90c15664, + 0x6184cb7b,0x70b632d5,0x745c6c48,0x4257b8d0 +}; + +#define MR_TOBYTE(x) ((uchar)((x))) + +static unsign32 pack(const uchar *b) +{ + /* pack bytes into a 32-bit Word */ + return ((unsign32)b[3]<<24)|((unsign32)b[2]<<16)|((unsign32)b[1]<<8)|(unsign32)b[0]; +} + +static void unpack(unsign32 a,uchar *b) +{ + /* unpack bytes from a word */ + b[0]=MR_TOBYTE(a); + b[1]=MR_TOBYTE(a>>8); + b[2]=MR_TOBYTE(a>>16); + b[3]=MR_TOBYTE(a>>24); +} + +/* SU= 8 */ +static uchar bmul(uchar x,uchar y) +{ + /* x.y= AntiLog(Log(x) + Log(y)) */ + if (x && y) return ptab[(ltab[x]+ltab[y])%255]; + else return 0; +} + +static unsign32 SubByte(unsign32 a) +{ + uchar b[4]; + unpack(a,b); + b[0]=fbsub[b[0]]; + b[1]=fbsub[b[1]]; + b[2]=fbsub[b[2]]; + b[3]=fbsub[b[3]]; + return pack(b); +} + +/* SU= 16 */ +static uchar product(unsign32 x,unsign32 y) +{ + /* dot product of two 4-byte arrays */ + uchar xb[4],yb[4]; + unpack(x,xb); + unpack(y,yb); + return bmul(xb[0],yb[0])^bmul(xb[1],yb[1])^bmul(xb[2],yb[2])^bmul(xb[3],yb[3]); +} + +static unsign32 InvMixCol(unsign32 x) +{ + /* matrix Multiplication */ + unsign32 y,m; + uchar b[4]; + + m=pack(InCo); + b[3]=product(m,x); + m=ROTL24(m); + b[2]=product(m,x); + m=ROTL24(m); + b[1]=product(m,x); + m=ROTL24(m); + b[0]=product(m,x); + y=pack(b); + return y; +} + +/* SU= 8 */ +/* reset cipher */ +void amcl::AES_reset(amcl::aes *a,int mode,char *iv) +{ + /* reset mode, or reset iv */ + int i; + a->mode=mode; + for (i=0; i<4*NB; i++) + a->f[i]=0; + if (mode!=ECB && iv!=NULL) + { + for (i=0; i<4*NB; i++) + a->f[i]=iv[i]; + } +} + +void amcl::AES_getreg(amcl::aes *a,char *ir) +{ + int i; + for (i=0; i<4*NB; i++) ir[i]=a->f[i]; +} + +/* SU= 72 */ +/* Initialise cipher */ +int amcl::AES_init(amcl::aes* a,int mode,int nk,char *key,char *iv) +{ + /* Key length Nk=16, 24 or 32 bytes */ + /* Key Scheduler. Create expanded encryption key */ + int i,j,k,N,nr; + unsign32 CipherKey[8]; + + nk/=4; + + if (nk!=4 && nk!=6 && nk!=8) return 0; + + nr=6+nk; + + a->Nk=nk; + a->Nr=nr; + + AES_reset(a,mode,iv); + + N=NB*(nr+1); + + for (i=j=0; i<nk; i++,j+=4) + { + CipherKey[i]=pack((uchar *)&key[j]); + } + for (i=0; i<nk; i++) a->fkey[i]=CipherKey[i]; + for (j=nk,k=0; j<N; j+=nk,k++) + { + a->fkey[j]=a->fkey[j-nk]^SubByte(ROTL24(a->fkey[j-1]))^rco[k]; + if (nk<=6) + { + for (i=1; i<nk && (i+j)<N; i++) + a->fkey[i+j]=a->fkey[i+j-nk]^a->fkey[i+j-1]; + } + else + { + for (i=1; i<4 && (i+j)<N; i++) + a->fkey[i+j]=a->fkey[i+j-nk]^a->fkey[i+j-1]; + if ((j+4)<N) a->fkey[j+4]=a->fkey[j+4-nk]^SubByte(a->fkey[j+3]); + for (i=5; i<nk && (i+j)<N; i++) + a->fkey[i+j]=a->fkey[i+j-nk]^a->fkey[i+j-1]; + } + + } + /* now for the expanded decrypt key in reverse order */ + + for (j=0; j<NB; j++) a->rkey[j+N-NB]=a->fkey[j]; + for (i=NB; i<N-NB; i+=NB) + { + k=N-NB-i; + for (j=0; j<NB; j++) a->rkey[k+j]=InvMixCol(a->fkey[i+j]); + } + for (j=N-NB; j<N; j++) a->rkey[j-N+NB]=a->fkey[j]; + return 1; +} + +/* SU= 80 */ +/* Encrypt a single block */ +void amcl::AES_ecb_encrypt(amcl::aes *a,uchar *buff) +{ + int i,j,k; + unsign32 p[4],q[4],*x,*y,*t; + + for (i=j=0; i<NB; i++,j+=4) + { + p[i]=pack((uchar *)&buff[j]); + p[i]^=a->fkey[i]; + } + + k=NB; + x=p; + y=q; + + /* State alternates between x and y */ + for (i=1; i<a->Nr; i++) + { + + y[0]=a->fkey[k]^ftable[MR_TOBYTE(x[0])]^ + ROTL8(ftable[MR_TOBYTE(x[1]>>8)])^ + ROTL16(ftable[MR_TOBYTE(x[2]>>16)])^ + ROTL24(ftable[x[3]>>24]); + y[1]=a->fkey[k+1]^ftable[MR_TOBYTE(x[1])]^ + ROTL8(ftable[MR_TOBYTE(x[2]>>8)])^ + ROTL16(ftable[MR_TOBYTE(x[3]>>16)])^ + ROTL24(ftable[x[0]>>24]); + y[2]=a->fkey[k+2]^ftable[MR_TOBYTE(x[2])]^ + ROTL8(ftable[MR_TOBYTE(x[3]>>8)])^ + ROTL16(ftable[MR_TOBYTE(x[0]>>16)])^ + ROTL24(ftable[x[1]>>24]); + y[3]=a->fkey[k+3]^ftable[MR_TOBYTE(x[3])]^ + ROTL8(ftable[MR_TOBYTE(x[0]>>8)])^ + ROTL16(ftable[MR_TOBYTE(x[1]>>16)])^ + ROTL24(ftable[x[2]>>24]); + + k+=4; + t=x; + x=y; + y=t; /* swap pointers */ + } + + /* Last Round */ + + y[0]=a->fkey[k]^(unsign32)fbsub[MR_TOBYTE(x[0])]^ + ROTL8((unsign32)fbsub[MR_TOBYTE(x[1]>>8)])^ + ROTL16((unsign32)fbsub[MR_TOBYTE(x[2]>>16)])^ + ROTL24((unsign32)fbsub[x[3]>>24]); + y[1]=a->fkey[k+1]^(unsign32)fbsub[MR_TOBYTE(x[1])]^ + ROTL8((unsign32)fbsub[MR_TOBYTE(x[2]>>8)])^ + ROTL16((unsign32)fbsub[MR_TOBYTE(x[3]>>16)])^ + ROTL24((unsign32)fbsub[x[0]>>24]); + y[2]=a->fkey[k+2]^(unsign32)fbsub[MR_TOBYTE(x[2])]^ + ROTL8((unsign32)fbsub[MR_TOBYTE(x[3]>>8)])^ + ROTL16((unsign32)fbsub[MR_TOBYTE(x[0]>>16)])^ + ROTL24((unsign32)fbsub[x[1]>>24]); + y[3]=a->fkey[k+3]^(unsign32)fbsub[MR_TOBYTE(x[3])]^ + ROTL8((unsign32)fbsub[MR_TOBYTE(x[0]>>8)])^ + ROTL16((unsign32)fbsub[MR_TOBYTE(x[1]>>16)])^ + ROTL24((unsign32)fbsub[x[2]>>24]); + + for (i=j=0; i<NB; i++,j+=4) + { + unpack(y[i],(uchar *)&buff[j]); + x[i]=y[i]=0; /* clean up stack */ + } +} + +/* SU= 80 */ +/* Decrypt a single block */ +void amcl::AES_ecb_decrypt(amcl::aes *a,uchar *buff) +{ + int i,j,k; + unsign32 p[4],q[4],*x,*y,*t; + + for (i=j=0; i<NB; i++,j+=4) + { + p[i]=pack((uchar *)&buff[j]); + p[i]^=a->rkey[i]; + } + + k=NB; + x=p; + y=q; + + /* State alternates between x and y */ + for (i=1; i<a->Nr; i++) + { + /* Nr is number of rounds. May be odd. */ + + y[0]=a->rkey[k]^rtable[MR_TOBYTE(x[0])]^ + ROTL8(rtable[MR_TOBYTE(x[3]>>8)])^ + ROTL16(rtable[MR_TOBYTE(x[2]>>16)])^ + ROTL24(rtable[x[1]>>24]); + y[1]=a->rkey[k+1]^rtable[MR_TOBYTE(x[1])]^ + ROTL8(rtable[MR_TOBYTE(x[0]>>8)])^ + ROTL16(rtable[MR_TOBYTE(x[3]>>16)])^ + ROTL24(rtable[x[2]>>24]); + y[2]=a->rkey[k+2]^rtable[MR_TOBYTE(x[2])]^ + ROTL8(rtable[MR_TOBYTE(x[1]>>8)])^ + ROTL16(rtable[MR_TOBYTE(x[0]>>16)])^ + ROTL24(rtable[x[3]>>24]); + y[3]=a->rkey[k+3]^rtable[MR_TOBYTE(x[3])]^ + ROTL8(rtable[MR_TOBYTE(x[2]>>8)])^ + ROTL16(rtable[MR_TOBYTE(x[1]>>16)])^ + ROTL24(rtable[x[0]>>24]); + + k+=4; + t=x; + x=y; + y=t; /* swap pointers */ + } + + + /* Last Round */ + y[0]=a->rkey[k]^(unsign32)rbsub[MR_TOBYTE(x[0])]^ + ROTL8((unsign32)rbsub[MR_TOBYTE(x[3]>>8)])^ + ROTL16((unsign32)rbsub[MR_TOBYTE(x[2]>>16)])^ + ROTL24((unsign32)rbsub[x[1]>>24]); + y[1]=a->rkey[k+1]^(unsign32)rbsub[MR_TOBYTE(x[1])]^ + ROTL8((unsign32)rbsub[MR_TOBYTE(x[0]>>8)])^ + ROTL16((unsign32)rbsub[MR_TOBYTE(x[3]>>16)])^ + ROTL24((unsign32)rbsub[x[2]>>24]); + y[2]=a->rkey[k+2]^(unsign32)rbsub[MR_TOBYTE(x[2])]^ + ROTL8((unsign32)rbsub[MR_TOBYTE(x[1]>>8)])^ + ROTL16((unsign32)rbsub[MR_TOBYTE(x[0]>>16)])^ + ROTL24((unsign32)rbsub[x[3]>>24]); + y[3]=a->rkey[k+3]^(unsign32)rbsub[MR_TOBYTE(x[3])]^ + ROTL8((unsign32)rbsub[MR_TOBYTE(x[2]>>8)])^ + ROTL16((unsign32)rbsub[MR_TOBYTE(x[1]>>16)])^ + ROTL24((unsign32)rbsub[x[0]>>24]); + + for (i=j=0; i<NB; i++,j+=4) + { + unpack(y[i],(uchar *)&buff[j]); + x[i]=y[i]=0; /* clean up stack */ + } + +} + +/* simple default increment function */ +static void increment(char *f) +{ + int i; + for (i=0; i<16; i++) + { + f[i]++; + if (f[i]!=0) break; + } +} + +/* SU= 40 */ +/* Encrypt using selected mode of operation */ +unsign32 amcl::AES_encrypt(amcl::aes* a,char *buff) +{ + int j,bytes; + char st[16]; + unsign32 fell_off; + + /* Supported Modes of Operation */ + + fell_off=0; + switch (a->mode) + { + case ECB: + AES_ecb_encrypt(a,(uchar *)buff); + return 0; + case CBC: + for (j=0; j<4*NB; j++) buff[j]^=a->f[j]; + AES_ecb_encrypt(a,(uchar *)buff); + for (j=0; j<4*NB; j++) a->f[j]=buff[j]; + return 0; + + case CFB1: + case CFB2: + case CFB4: + bytes=a->mode-CFB1+1; + for (j=0; j<bytes; j++) fell_off=(fell_off<<8)|a->f[j]; + for (j=0; j<4*NB; j++) st[j]=a->f[j]; + for (j=bytes; j<4*NB; j++) a->f[j-bytes]=a->f[j]; + AES_ecb_encrypt(a,(uchar *)st); + for (j=0; j<bytes; j++) + { + buff[j]^=st[j]; + a->f[16-bytes+j]=buff[j]; + } + return fell_off; + + case OFB1: + case OFB2: + case OFB4: + case OFB8: + case OFB16: + + bytes=a->mode-OFB1+1; + AES_ecb_encrypt(a,(uchar *)(a->f)); + for (j=0; j<bytes; j++) buff[j]^=a->f[j]; + return 0; + + case CTR1: + case CTR2: + case CTR4: + case CTR8: + case CTR16: + + bytes=a->mode-CTR1+1; + for (j=0; j<4*NB; j++) st[j]=a->f[j]; + AES_ecb_encrypt(a,(uchar *)st); + for (j=0; j<bytes; j++) buff[j]^=st[j]; + increment(a->f); + return 0; + + default: + return 0; + } +} + +/* SU= 40 */ +/* Decrypt using selected mode of operation */ +unsign32 amcl::AES_decrypt(amcl::aes *a,char *buff) +{ + int j,bytes; + char st[16]; + unsign32 fell_off; + + /* Supported modes of operation */ + fell_off=0; + switch (a->mode) + { + case ECB: + AES_ecb_decrypt(a,(uchar *)buff); + return 0; + case CBC: + for (j=0; j<4*NB; j++) + { + st[j]=a->f[j]; + a->f[j]=buff[j]; + } + AES_ecb_decrypt(a,(uchar *)buff); + for (j=0; j<4*NB; j++) + { + buff[j]^=st[j]; + st[j]=0; + } + return 0; + case CFB1: + case CFB2: + case CFB4: + bytes=a->mode-CFB1+1; + for (j=0; j<bytes; j++) fell_off=(fell_off<<8)|a->f[j]; + for (j=0; j<4*NB; j++) st[j]=a->f[j]; + for (j=bytes; j<4*NB; j++) a->f[j-bytes]=a->f[j]; + AES_ecb_encrypt(a,(uchar *)st); + for (j=0; j<bytes; j++) + { + a->f[16-bytes+j]=buff[j]; + buff[j]^=st[j]; + } + return fell_off; + case OFB1: + case OFB2: + case OFB4: + case OFB8: + case OFB16: + bytes=a->mode-OFB1+1; + AES_ecb_encrypt(a,(uchar *)(a->f)); + for (j=0; j<bytes; j++) buff[j]^=a->f[j]; + return 0; + + case CTR1: + case CTR2: + case CTR4: + case CTR8: + case CTR16: + + bytes=a->mode-CTR1+1; + for (j=0; j<4*NB; j++) st[j]=a->f[j]; + AES_ecb_encrypt(a,(uchar *)st); + for (j=0; j<bytes; j++) buff[j]^=st[j]; + increment(a->f); + return 0; + + default: + return 0; + } +} + +/* Clean up and delete left-overs */ +void amcl::AES_end(amcl::aes *a) +{ + /* clean up */ + int i; + for (i=0; i<NB*(a->Nr+1); i++) + a->fkey[i]=a->rkey[i]=0; + for (i=0; i<4*NB; i++) + a->f[i]=0; +} + + +/* +#include <stdio.h> + +#define KK 32 + +int main() +{ + int i; + aes a; + unsign32 t; + uchar x,y; + + char key[KK]; + char block[16]; + char iv[16]; + for (i=0;i<KK;i++) key[i]=5; + key[0]=1; + for (i=0;i<16;i++) iv[i]=i; + for (i=0;i<16;i++) block[i]=i; + + AES_init(&a,CTR16,KK,key,iv); + + printf("Plain= "); + for (i=0;i<16;i++) printf("%02x",block[i]); + printf("\n"); + AES_encrypt(&a,block); + printf("Encrypt= "); + for (i=0;i<16;i++) printf("%02x",(uchar)block[i]); + printf("\n"); + AES_reset(&a,CTR16,iv); + AES_decrypt(&a,block); + printf("Decrypt= "); + for (i=0;i<16;i++) printf("%02x",(uchar)block[i]); + printf("\n"); + + AES_end(&a); + + return 0; +} + +*/ +
