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authormarha <marha@users.sourceforge.net>2009-06-28 22:07:26 +0000
committermarha <marha@users.sourceforge.net>2009-06-28 22:07:26 +0000
commit3562e78743202e43aec8727005182a2558117eca (patch)
tree8f9113a77d12470c5c851a2a8e4cb02e89df7d43 /openssl/fips/dsa/fips_dssvs.c
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Diffstat (limited to 'openssl/fips/dsa/fips_dssvs.c')
-rw-r--r--openssl/fips/dsa/fips_dssvs.c542
1 files changed, 542 insertions, 0 deletions
diff --git a/openssl/fips/dsa/fips_dssvs.c b/openssl/fips/dsa/fips_dssvs.c
new file mode 100644
index 000000000..aa74e8e63
--- /dev/null
+++ b/openssl/fips/dsa/fips_dssvs.c
@@ -0,0 +1,542 @@
+#include <openssl/opensslconf.h>
+
+#ifndef OPENSSL_FIPS
+#include <stdio.h>
+
+int main(int argc, char **argv)
+{
+ printf("No FIPS DSA support\n");
+ return(0);
+}
+#else
+
+#include <openssl/bn.h>
+#include <openssl/dsa.h>
+#include <openssl/fips.h>
+#include <openssl/err.h>
+#include <openssl/evp.h>
+#include <string.h>
+#include <ctype.h>
+
+#include "fips_utl.h"
+
+static void pbn(const char *name, BIGNUM *bn)
+ {
+ int len, i;
+ unsigned char *tmp;
+ len = BN_num_bytes(bn);
+ tmp = OPENSSL_malloc(len);
+ if (!tmp)
+ {
+ fprintf(stderr, "Memory allocation error\n");
+ return;
+ }
+ BN_bn2bin(bn, tmp);
+ printf("%s = ", name);
+ for (i = 0; i < len; i++)
+ printf("%02X", tmp[i]);
+ fputs("\n", stdout);
+ OPENSSL_free(tmp);
+ return;
+ }
+
+void primes()
+ {
+ char buf[10240];
+ char lbuf[10240];
+ char *keyword, *value;
+
+ while(fgets(buf,sizeof buf,stdin) != NULL)
+ {
+ fputs(buf,stdout);
+ if (!parse_line(&keyword, &value, lbuf, buf))
+ continue;
+ if(!strcmp(keyword,"Prime"))
+ {
+ BIGNUM *pp;
+
+ pp=BN_new();
+ do_hex2bn(&pp,value);
+ printf("result= %c\n",
+ BN_is_prime_ex(pp,20,NULL,NULL) ? 'P' : 'F');
+ }
+ }
+ }
+
+void pqg()
+ {
+ char buf[1024];
+ char lbuf[1024];
+ char *keyword, *value;
+ int nmod=0;
+
+ while(fgets(buf,sizeof buf,stdin) != NULL)
+ {
+ if (!parse_line(&keyword, &value, lbuf, buf))
+ {
+ fputs(buf,stdout);
+ continue;
+ }
+ if(!strcmp(keyword,"[mod"))
+ nmod=atoi(value);
+ else if(!strcmp(keyword,"N"))
+ {
+ int n=atoi(value);
+
+ printf("[mod = %d]\n\n",nmod);
+
+ while(n--)
+ {
+ unsigned char seed[20];
+ DSA *dsa;
+ int counter;
+ unsigned long h;
+ dsa = FIPS_dsa_new();
+
+ if (!DSA_generate_parameters_ex(dsa, nmod,seed,0,&counter,&h,NULL))
+ {
+ do_print_errors();
+ exit(1);
+ }
+ pbn("P",dsa->p);
+ pbn("Q",dsa->q);
+ pbn("G",dsa->g);
+ pv("Seed",seed,20);
+ printf("c = %d\n",counter);
+ printf("H = %lx\n",h);
+ putc('\n',stdout);
+ }
+ }
+ else
+ fputs(buf,stdout);
+ }
+ }
+
+void pqgver()
+ {
+ char buf[1024];
+ char lbuf[1024];
+ char *keyword, *value;
+ BIGNUM *p = NULL, *q = NULL, *g = NULL;
+ int counter, counter2;
+ unsigned long h, h2;
+ DSA *dsa=NULL;
+ int nmod=0;
+ unsigned char seed[1024];
+
+ while(fgets(buf,sizeof buf,stdin) != NULL)
+ {
+ if (!parse_line(&keyword, &value, lbuf, buf))
+ {
+ fputs(buf,stdout);
+ continue;
+ }
+ if(!strcmp(keyword,"[mod"))
+ nmod=atoi(value);
+ else if(!strcmp(keyword,"P"))
+ p=hex2bn(value);
+ else if(!strcmp(keyword,"Q"))
+ q=hex2bn(value);
+ else if(!strcmp(keyword,"G"))
+ g=hex2bn(value);
+ else if(!strcmp(keyword,"Seed"))
+ {
+ int slen = hex2bin(value, seed);
+ if (slen != 20)
+ {
+ fprintf(stderr, "Seed parse length error\n");
+ exit (1);
+ }
+ }
+ else if(!strcmp(keyword,"c"))
+ counter =atoi(buf+4);
+ else if(!strcmp(keyword,"H"))
+ {
+ h = atoi(value);
+ if (!p || !q || !g)
+ {
+ fprintf(stderr, "Parse Error\n");
+ exit (1);
+ }
+ pbn("P",p);
+ pbn("Q",q);
+ pbn("G",g);
+ pv("Seed",seed,20);
+ printf("c = %d\n",counter);
+ printf("H = %lx\n",h);
+ dsa = FIPS_dsa_new();
+ if (!DSA_generate_parameters_ex(dsa, nmod,seed,20 ,&counter2,&h2,NULL))
+ {
+ do_print_errors();
+ exit(1);
+ }
+ if (BN_cmp(dsa->p, p) || BN_cmp(dsa->q, q) || BN_cmp(dsa->g, g)
+ || (counter != counter2) || (h != h2))
+ printf("Result = F\n");
+ else
+ printf("Result = T\n");
+ BN_free(p);
+ BN_free(q);
+ BN_free(g);
+ p = NULL;
+ q = NULL;
+ g = NULL;
+ FIPS_dsa_free(dsa);
+ dsa = NULL;
+ }
+ }
+ }
+
+/* Keypair verification routine. NB: this isn't part of the standard FIPS140-2
+ * algorithm tests. It is an additional test to perform sanity checks on the
+ * output of the KeyPair test.
+ */
+
+static int dss_paramcheck(int nmod, BIGNUM *p, BIGNUM *q, BIGNUM *g,
+ BN_CTX *ctx)
+ {
+ BIGNUM *rem = NULL;
+ if (BN_num_bits(p) != nmod)
+ return 0;
+ if (BN_num_bits(q) != 160)
+ return 0;
+ if (BN_is_prime_ex(p, BN_prime_checks, ctx, NULL) != 1)
+ return 0;
+ if (BN_is_prime_ex(q, BN_prime_checks, ctx, NULL) != 1)
+ return 0;
+ rem = BN_new();
+ if (!BN_mod(rem, p, q, ctx) || !BN_is_one(rem)
+ || (BN_cmp(g, BN_value_one()) <= 0)
+ || !BN_mod_exp(rem, g, q, p, ctx) || !BN_is_one(rem))
+ {
+ BN_free(rem);
+ return 0;
+ }
+ /* Todo: check g */
+ BN_free(rem);
+ return 1;
+ }
+
+void keyver()
+ {
+ char buf[1024];
+ char lbuf[1024];
+ char *keyword, *value;
+ BIGNUM *p = NULL, *q = NULL, *g = NULL, *X = NULL, *Y = NULL;
+ BIGNUM *Y2;
+ BN_CTX *ctx = NULL;
+ int nmod=0, paramcheck = 0;
+
+ ctx = BN_CTX_new();
+ Y2 = BN_new();
+
+ while(fgets(buf,sizeof buf,stdin) != NULL)
+ {
+ if (!parse_line(&keyword, &value, lbuf, buf))
+ {
+ fputs(buf,stdout);
+ continue;
+ }
+ if(!strcmp(keyword,"[mod"))
+ {
+ if (p)
+ BN_free(p);
+ p = NULL;
+ if (q)
+ BN_free(q);
+ q = NULL;
+ if (g)
+ BN_free(g);
+ g = NULL;
+ paramcheck = 0;
+ nmod=atoi(value);
+ }
+ else if(!strcmp(keyword,"P"))
+ p=hex2bn(value);
+ else if(!strcmp(keyword,"Q"))
+ q=hex2bn(value);
+ else if(!strcmp(keyword,"G"))
+ g=hex2bn(value);
+ else if(!strcmp(keyword,"X"))
+ X=hex2bn(value);
+ else if(!strcmp(keyword,"Y"))
+ {
+ Y=hex2bn(value);
+ if (!p || !q || !g || !X || !Y)
+ {
+ fprintf(stderr, "Parse Error\n");
+ exit (1);
+ }
+ pbn("P",p);
+ pbn("Q",q);
+ pbn("G",g);
+ pbn("X",X);
+ pbn("Y",Y);
+ if (!paramcheck)
+ {
+ if (dss_paramcheck(nmod, p, q, g, ctx))
+ paramcheck = 1;
+ else
+ paramcheck = -1;
+ }
+ if (paramcheck != 1)
+ printf("Result = F\n");
+ else
+ {
+ if (!BN_mod_exp(Y2, g, X, p, ctx) || BN_cmp(Y2, Y))
+ printf("Result = F\n");
+ else
+ printf("Result = T\n");
+ }
+ BN_free(X);
+ BN_free(Y);
+ X = NULL;
+ Y = NULL;
+ }
+ }
+ if (p)
+ BN_free(p);
+ if (q)
+ BN_free(q);
+ if (g)
+ BN_free(g);
+ if (Y2)
+ BN_free(Y2);
+ }
+
+void keypair()
+ {
+ char buf[1024];
+ char lbuf[1024];
+ char *keyword, *value;
+ int nmod=0;
+
+ while(fgets(buf,sizeof buf,stdin) != NULL)
+ {
+ if (!parse_line(&keyword, &value, lbuf, buf))
+ {
+ fputs(buf,stdout);
+ continue;
+ }
+ if(!strcmp(keyword,"[mod"))
+ nmod=atoi(value);
+ else if(!strcmp(keyword,"N"))
+ {
+ DSA *dsa;
+ int n=atoi(value);
+
+ printf("[mod = %d]\n\n",nmod);
+ dsa = FIPS_dsa_new();
+ if (!DSA_generate_parameters_ex(dsa, nmod,NULL,0,NULL,NULL,NULL))
+ {
+ do_print_errors();
+ exit(1);
+ }
+ pbn("P",dsa->p);
+ pbn("Q",dsa->q);
+ pbn("G",dsa->g);
+ putc('\n',stdout);
+
+ while(n--)
+ {
+ if (!DSA_generate_key(dsa))
+ {
+ do_print_errors();
+ exit(1);
+ }
+
+ pbn("X",dsa->priv_key);
+ pbn("Y",dsa->pub_key);
+ putc('\n',stdout);
+ }
+ }
+ }
+ }
+
+void siggen()
+ {
+ char buf[1024];
+ char lbuf[1024];
+ char *keyword, *value;
+ int nmod=0;
+ DSA *dsa=NULL;
+
+ while(fgets(buf,sizeof buf,stdin) != NULL)
+ {
+ if (!parse_line(&keyword, &value, lbuf, buf))
+ {
+ fputs(buf,stdout);
+ continue;
+ }
+ if(!strcmp(keyword,"[mod"))
+ {
+ nmod=atoi(value);
+ printf("[mod = %d]\n\n",nmod);
+ if (dsa)
+ FIPS_dsa_free(dsa);
+ dsa = FIPS_dsa_new();
+ if (!DSA_generate_parameters_ex(dsa, nmod,NULL,0,NULL,NULL,NULL))
+ {
+ do_print_errors();
+ exit(1);
+ }
+ pbn("P",dsa->p);
+ pbn("Q",dsa->q);
+ pbn("G",dsa->g);
+ putc('\n',stdout);
+ }
+ else if(!strcmp(keyword,"Msg"))
+ {
+ unsigned char msg[1024];
+ unsigned char sbuf[60];
+ unsigned int slen;
+ int n;
+ EVP_PKEY pk;
+ EVP_MD_CTX mctx;
+ DSA_SIG *sig;
+ EVP_MD_CTX_init(&mctx);
+
+ n=hex2bin(value,msg);
+ pv("Msg",msg,n);
+
+ if (!DSA_generate_key(dsa))
+ {
+ do_print_errors();
+ exit(1);
+ }
+ pk.type = EVP_PKEY_DSA;
+ pk.pkey.dsa = dsa;
+ pbn("Y",dsa->pub_key);
+
+ EVP_SignInit_ex(&mctx, EVP_dss1(), NULL);
+ EVP_SignUpdate(&mctx, msg, n);
+ EVP_SignFinal(&mctx, sbuf, &slen, &pk);
+
+ sig = DSA_SIG_new();
+ FIPS_dsa_sig_decode(sig, sbuf, slen);
+
+ pbn("R",sig->r);
+ pbn("S",sig->s);
+ putc('\n',stdout);
+ DSA_SIG_free(sig);
+ EVP_MD_CTX_cleanup(&mctx);
+ }
+ }
+ if (dsa)
+ FIPS_dsa_free(dsa);
+ }
+
+void sigver()
+ {
+ DSA *dsa=NULL;
+ char buf[1024];
+ char lbuf[1024];
+ unsigned char msg[1024];
+ char *keyword, *value;
+ int nmod=0, n=0;
+ DSA_SIG sg, *sig = &sg;
+
+ sig->r = NULL;
+ sig->s = NULL;
+
+ while(fgets(buf,sizeof buf,stdin) != NULL)
+ {
+ if (!parse_line(&keyword, &value, lbuf, buf))
+ {
+ fputs(buf,stdout);
+ continue;
+ }
+ if(!strcmp(keyword,"[mod"))
+ {
+ nmod=atoi(value);
+ if(dsa)
+ FIPS_dsa_free(dsa);
+ dsa=FIPS_dsa_new();
+ }
+ else if(!strcmp(keyword,"P"))
+ dsa->p=hex2bn(value);
+ else if(!strcmp(keyword,"Q"))
+ dsa->q=hex2bn(value);
+ else if(!strcmp(keyword,"G"))
+ {
+ dsa->g=hex2bn(value);
+
+ printf("[mod = %d]\n\n",nmod);
+ pbn("P",dsa->p);
+ pbn("Q",dsa->q);
+ pbn("G",dsa->g);
+ putc('\n',stdout);
+ }
+ else if(!strcmp(keyword,"Msg"))
+ {
+ n=hex2bin(value,msg);
+ pv("Msg",msg,n);
+ }
+ else if(!strcmp(keyword,"Y"))
+ dsa->pub_key=hex2bn(value);
+ else if(!strcmp(keyword,"R"))
+ sig->r=hex2bn(value);
+ else if(!strcmp(keyword,"S"))
+ {
+ EVP_MD_CTX mctx;
+ EVP_PKEY pk;
+ unsigned char sigbuf[60];
+ unsigned int slen;
+ int r;
+ EVP_MD_CTX_init(&mctx);
+ pk.type = EVP_PKEY_DSA;
+ pk.pkey.dsa = dsa;
+ sig->s=hex2bn(value);
+
+ pbn("Y",dsa->pub_key);
+ pbn("R",sig->r);
+ pbn("S",sig->s);
+
+ slen = FIPS_dsa_sig_encode(sigbuf, sig);
+ EVP_VerifyInit_ex(&mctx, EVP_dss1(), NULL);
+ EVP_VerifyUpdate(&mctx, msg, n);
+ r = EVP_VerifyFinal(&mctx, sigbuf, slen, &pk);
+ EVP_MD_CTX_cleanup(&mctx);
+
+ printf("Result = %c\n", r == 1 ? 'P' : 'F');
+ putc('\n',stdout);
+ }
+ }
+ }
+
+int main(int argc,char **argv)
+ {
+ if(argc != 2)
+ {
+ fprintf(stderr,"%s [prime|pqg|pqgver|keypair|siggen|sigver]\n",argv[0]);
+ exit(1);
+ }
+ if(!FIPS_mode_set(1))
+ {
+ do_print_errors();
+ exit(1);
+ }
+ if(!strcmp(argv[1],"prime"))
+ primes();
+ else if(!strcmp(argv[1],"pqg"))
+ pqg();
+ else if(!strcmp(argv[1],"pqgver"))
+ pqgver();
+ else if(!strcmp(argv[1],"keypair"))
+ keypair();
+ else if(!strcmp(argv[1],"keyver"))
+ keyver();
+ else if(!strcmp(argv[1],"siggen"))
+ siggen();
+ else if(!strcmp(argv[1],"sigver"))
+ sigver();
+ else
+ {
+ fprintf(stderr,"Don't know how to %s.\n",argv[1]);
+ exit(1);
+ }
+
+ return 0;
+ }
+
+#endif