From 1684c8f398922065a97e7da4dac4ac6a33cc5218 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Parm=C3=A9nides=20GV?= Date: Wed, 9 Apr 2014 16:03:55 +0200 Subject: Back to the standard "app" module. This return to "app" instead of "bitmask_android" is due to this reading: https://developer.android.com/sdk/installing/studio-build.html#projectStructure I'll have to tweak the final apk name in build.gradle. --- app/openssl/crypto/jpake/jpake.c | 511 +++++++++++++++++++++++++++++++++++ app/openssl/crypto/jpake/jpake.h | 131 +++++++++ app/openssl/crypto/jpake/jpake_err.c | 107 ++++++++ app/openssl/crypto/jpake/jpaketest.c | 192 +++++++++++++ 4 files changed, 941 insertions(+) create mode 100644 app/openssl/crypto/jpake/jpake.c create mode 100644 app/openssl/crypto/jpake/jpake.h create mode 100644 app/openssl/crypto/jpake/jpake_err.c create mode 100644 app/openssl/crypto/jpake/jpaketest.c (limited to 'app/openssl/crypto/jpake') diff --git a/app/openssl/crypto/jpake/jpake.c b/app/openssl/crypto/jpake/jpake.c new file mode 100644 index 00000000..8e4b633c --- /dev/null +++ b/app/openssl/crypto/jpake/jpake.c @@ -0,0 +1,511 @@ +#include "jpake.h" + +#include +#include +#include +#include + +/* + * In the definition, (xa, xb, xc, xd) are Alice's (x1, x2, x3, x4) or + * Bob's (x3, x4, x1, x2). If you see what I mean. + */ + +typedef struct + { + char *name; /* Must be unique */ + char *peer_name; + BIGNUM *p; + BIGNUM *g; + BIGNUM *q; + BIGNUM *gxc; /* Alice's g^{x3} or Bob's g^{x1} */ + BIGNUM *gxd; /* Alice's g^{x4} or Bob's g^{x2} */ + } JPAKE_CTX_PUBLIC; + +struct JPAKE_CTX + { + JPAKE_CTX_PUBLIC p; + BIGNUM *secret; /* The shared secret */ + BN_CTX *ctx; + BIGNUM *xa; /* Alice's x1 or Bob's x3 */ + BIGNUM *xb; /* Alice's x2 or Bob's x4 */ + BIGNUM *key; /* The calculated (shared) key */ + }; + +static void JPAKE_ZKP_init(JPAKE_ZKP *zkp) + { + zkp->gr = BN_new(); + zkp->b = BN_new(); + } + +static void JPAKE_ZKP_release(JPAKE_ZKP *zkp) + { + BN_free(zkp->b); + BN_free(zkp->gr); + } + +/* Two birds with one stone - make the global name as expected */ +#define JPAKE_STEP_PART_init JPAKE_STEP2_init +#define JPAKE_STEP_PART_release JPAKE_STEP2_release + +void JPAKE_STEP_PART_init(JPAKE_STEP_PART *p) + { + p->gx = BN_new(); + JPAKE_ZKP_init(&p->zkpx); + } + +void JPAKE_STEP_PART_release(JPAKE_STEP_PART *p) + { + JPAKE_ZKP_release(&p->zkpx); + BN_free(p->gx); + } + +void JPAKE_STEP1_init(JPAKE_STEP1 *s1) + { + JPAKE_STEP_PART_init(&s1->p1); + JPAKE_STEP_PART_init(&s1->p2); + } + +void JPAKE_STEP1_release(JPAKE_STEP1 *s1) + { + JPAKE_STEP_PART_release(&s1->p2); + JPAKE_STEP_PART_release(&s1->p1); + } + +static void JPAKE_CTX_init(JPAKE_CTX *ctx, const char *name, + const char *peer_name, const BIGNUM *p, + const BIGNUM *g, const BIGNUM *q, + const BIGNUM *secret) + { + ctx->p.name = OPENSSL_strdup(name); + ctx->p.peer_name = OPENSSL_strdup(peer_name); + ctx->p.p = BN_dup(p); + ctx->p.g = BN_dup(g); + ctx->p.q = BN_dup(q); + ctx->secret = BN_dup(secret); + + ctx->p.gxc = BN_new(); + ctx->p.gxd = BN_new(); + + ctx->xa = BN_new(); + ctx->xb = BN_new(); + ctx->key = BN_new(); + ctx->ctx = BN_CTX_new(); + } + +static void JPAKE_CTX_release(JPAKE_CTX *ctx) + { + BN_CTX_free(ctx->ctx); + BN_clear_free(ctx->key); + BN_clear_free(ctx->xb); + BN_clear_free(ctx->xa); + + BN_free(ctx->p.gxd); + BN_free(ctx->p.gxc); + + BN_clear_free(ctx->secret); + BN_free(ctx->p.q); + BN_free(ctx->p.g); + BN_free(ctx->p.p); + OPENSSL_free(ctx->p.peer_name); + OPENSSL_free(ctx->p.name); + + memset(ctx, '\0', sizeof *ctx); + } + +JPAKE_CTX *JPAKE_CTX_new(const char *name, const char *peer_name, + const BIGNUM *p, const BIGNUM *g, const BIGNUM *q, + const BIGNUM *secret) + { + JPAKE_CTX *ctx = OPENSSL_malloc(sizeof *ctx); + + JPAKE_CTX_init(ctx, name, peer_name, p, g, q, secret); + + return ctx; + } + +void JPAKE_CTX_free(JPAKE_CTX *ctx) + { + JPAKE_CTX_release(ctx); + OPENSSL_free(ctx); + } + +static void hashlength(SHA_CTX *sha, size_t l) + { + unsigned char b[2]; + + OPENSSL_assert(l <= 0xffff); + b[0] = l >> 8; + b[1] = l&0xff; + SHA1_Update(sha, b, 2); + } + +static void hashstring(SHA_CTX *sha, const char *string) + { + size_t l = strlen(string); + + hashlength(sha, l); + SHA1_Update(sha, string, l); + } + +static void hashbn(SHA_CTX *sha, const BIGNUM *bn) + { + size_t l = BN_num_bytes(bn); + unsigned char *bin = OPENSSL_malloc(l); + + hashlength(sha, l); + BN_bn2bin(bn, bin); + SHA1_Update(sha, bin, l); + OPENSSL_free(bin); + } + +/* h=hash(g, g^r, g^x, name) */ +static void zkp_hash(BIGNUM *h, const BIGNUM *zkpg, const JPAKE_STEP_PART *p, + const char *proof_name) + { + unsigned char md[SHA_DIGEST_LENGTH]; + SHA_CTX sha; + + /* + * XXX: hash should not allow moving of the boundaries - Java code + * is flawed in this respect. Length encoding seems simplest. + */ + SHA1_Init(&sha); + hashbn(&sha, zkpg); + OPENSSL_assert(!BN_is_zero(p->zkpx.gr)); + hashbn(&sha, p->zkpx.gr); + hashbn(&sha, p->gx); + hashstring(&sha, proof_name); + SHA1_Final(md, &sha); + BN_bin2bn(md, SHA_DIGEST_LENGTH, h); + } + +/* + * Prove knowledge of x + * Note that p->gx has already been calculated + */ +static void generate_zkp(JPAKE_STEP_PART *p, const BIGNUM *x, + const BIGNUM *zkpg, JPAKE_CTX *ctx) + { + BIGNUM *r = BN_new(); + BIGNUM *h = BN_new(); + BIGNUM *t = BN_new(); + + /* + * r in [0,q) + * XXX: Java chooses r in [0, 2^160) - i.e. distribution not uniform + */ + BN_rand_range(r, ctx->p.q); + /* g^r */ + BN_mod_exp(p->zkpx.gr, zkpg, r, ctx->p.p, ctx->ctx); + + /* h=hash... */ + zkp_hash(h, zkpg, p, ctx->p.name); + + /* b = r - x*h */ + BN_mod_mul(t, x, h, ctx->p.q, ctx->ctx); + BN_mod_sub(p->zkpx.b, r, t, ctx->p.q, ctx->ctx); + + /* cleanup */ + BN_free(t); + BN_free(h); + BN_free(r); + } + +static int verify_zkp(const JPAKE_STEP_PART *p, const BIGNUM *zkpg, + JPAKE_CTX *ctx) + { + BIGNUM *h = BN_new(); + BIGNUM *t1 = BN_new(); + BIGNUM *t2 = BN_new(); + BIGNUM *t3 = BN_new(); + int ret = 0; + + zkp_hash(h, zkpg, p, ctx->p.peer_name); + + /* t1 = g^b */ + BN_mod_exp(t1, zkpg, p->zkpx.b, ctx->p.p, ctx->ctx); + /* t2 = (g^x)^h = g^{hx} */ + BN_mod_exp(t2, p->gx, h, ctx->p.p, ctx->ctx); + /* t3 = t1 * t2 = g^{hx} * g^b = g^{hx+b} = g^r (allegedly) */ + BN_mod_mul(t3, t1, t2, ctx->p.p, ctx->ctx); + + /* verify t3 == g^r */ + if(BN_cmp(t3, p->zkpx.gr) == 0) + ret = 1; + else + JPAKEerr(JPAKE_F_VERIFY_ZKP, JPAKE_R_ZKP_VERIFY_FAILED); + + /* cleanup */ + BN_free(t3); + BN_free(t2); + BN_free(t1); + BN_free(h); + + return ret; + } + +static void generate_step_part(JPAKE_STEP_PART *p, const BIGNUM *x, + const BIGNUM *g, JPAKE_CTX *ctx) + { + BN_mod_exp(p->gx, g, x, ctx->p.p, ctx->ctx); + generate_zkp(p, x, g, ctx); + } + +/* Generate each party's random numbers. xa is in [0, q), xb is in [1, q). */ +static void genrand(JPAKE_CTX *ctx) + { + BIGNUM *qm1; + + /* xa in [0, q) */ + BN_rand_range(ctx->xa, ctx->p.q); + + /* q-1 */ + qm1 = BN_new(); + BN_copy(qm1, ctx->p.q); + BN_sub_word(qm1, 1); + + /* ... and xb in [0, q-1) */ + BN_rand_range(ctx->xb, qm1); + /* [1, q) */ + BN_add_word(ctx->xb, 1); + + /* cleanup */ + BN_free(qm1); + } + +int JPAKE_STEP1_generate(JPAKE_STEP1 *send, JPAKE_CTX *ctx) + { + genrand(ctx); + generate_step_part(&send->p1, ctx->xa, ctx->p.g, ctx); + generate_step_part(&send->p2, ctx->xb, ctx->p.g, ctx); + + return 1; + } + +/* g^x is a legal value */ +static int is_legal(const BIGNUM *gx, const JPAKE_CTX *ctx) + { + BIGNUM *t; + int res; + + if(BN_is_negative(gx) || BN_is_zero(gx) || BN_cmp(gx, ctx->p.p) >= 0) + return 0; + + t = BN_new(); + BN_mod_exp(t, gx, ctx->p.q, ctx->p.p, ctx->ctx); + res = BN_is_one(t); + BN_free(t); + + return res; + } + +int JPAKE_STEP1_process(JPAKE_CTX *ctx, const JPAKE_STEP1 *received) + { + if(!is_legal(received->p1.gx, ctx)) + { + JPAKEerr(JPAKE_F_JPAKE_STEP1_PROCESS, JPAKE_R_G_TO_THE_X3_IS_NOT_LEGAL); + return 0; + } + + if(!is_legal(received->p2.gx, ctx)) + { + JPAKEerr(JPAKE_F_JPAKE_STEP1_PROCESS, JPAKE_R_G_TO_THE_X4_IS_NOT_LEGAL); + return 0; + } + + /* verify their ZKP(xc) */ + if(!verify_zkp(&received->p1, ctx->p.g, ctx)) + { + JPAKEerr(JPAKE_F_JPAKE_STEP1_PROCESS, JPAKE_R_VERIFY_X3_FAILED); + return 0; + } + + /* verify their ZKP(xd) */ + if(!verify_zkp(&received->p2, ctx->p.g, ctx)) + { + JPAKEerr(JPAKE_F_JPAKE_STEP1_PROCESS, JPAKE_R_VERIFY_X4_FAILED); + return 0; + } + + /* g^xd != 1 */ + if(BN_is_one(received->p2.gx)) + { + JPAKEerr(JPAKE_F_JPAKE_STEP1_PROCESS, JPAKE_R_G_TO_THE_X4_IS_ONE); + return 0; + } + + /* Save the bits we need for later */ + BN_copy(ctx->p.gxc, received->p1.gx); + BN_copy(ctx->p.gxd, received->p2.gx); + + return 1; + } + + +int JPAKE_STEP2_generate(JPAKE_STEP2 *send, JPAKE_CTX *ctx) + { + BIGNUM *t1 = BN_new(); + BIGNUM *t2 = BN_new(); + + /* + * X = g^{(xa + xc + xd) * xb * s} + * t1 = g^xa + */ + BN_mod_exp(t1, ctx->p.g, ctx->xa, ctx->p.p, ctx->ctx); + /* t2 = t1 * g^{xc} = g^{xa} * g^{xc} = g^{xa + xc} */ + BN_mod_mul(t2, t1, ctx->p.gxc, ctx->p.p, ctx->ctx); + /* t1 = t2 * g^{xd} = g^{xa + xc + xd} */ + BN_mod_mul(t1, t2, ctx->p.gxd, ctx->p.p, ctx->ctx); + /* t2 = xb * s */ + BN_mod_mul(t2, ctx->xb, ctx->secret, ctx->p.q, ctx->ctx); + + /* + * ZKP(xb * s) + * XXX: this is kinda funky, because we're using + * + * g' = g^{xa + xc + xd} + * + * as the generator, which means X is g'^{xb * s} + * X = t1^{t2} = t1^{xb * s} = g^{(xa + xc + xd) * xb * s} + */ + generate_step_part(send, t2, t1, ctx); + + /* cleanup */ + BN_free(t1); + BN_free(t2); + + return 1; + } + +/* gx = g^{xc + xa + xb} * xd * s */ +static int compute_key(JPAKE_CTX *ctx, const BIGNUM *gx) + { + BIGNUM *t1 = BN_new(); + BIGNUM *t2 = BN_new(); + BIGNUM *t3 = BN_new(); + + /* + * K = (gx/g^{xb * xd * s})^{xb} + * = (g^{(xc + xa + xb) * xd * s - xb * xd *s})^{xb} + * = (g^{(xa + xc) * xd * s})^{xb} + * = g^{(xa + xc) * xb * xd * s} + * [which is the same regardless of who calculates it] + */ + + /* t1 = (g^{xd})^{xb} = g^{xb * xd} */ + BN_mod_exp(t1, ctx->p.gxd, ctx->xb, ctx->p.p, ctx->ctx); + /* t2 = -s = q-s */ + BN_sub(t2, ctx->p.q, ctx->secret); + /* t3 = t1^t2 = g^{-xb * xd * s} */ + BN_mod_exp(t3, t1, t2, ctx->p.p, ctx->ctx); + /* t1 = gx * t3 = X/g^{xb * xd * s} */ + BN_mod_mul(t1, gx, t3, ctx->p.p, ctx->ctx); + /* K = t1^{xb} */ + BN_mod_exp(ctx->key, t1, ctx->xb, ctx->p.p, ctx->ctx); + + /* cleanup */ + BN_free(t3); + BN_free(t2); + BN_free(t1); + + return 1; + } + +int JPAKE_STEP2_process(JPAKE_CTX *ctx, const JPAKE_STEP2 *received) + { + BIGNUM *t1 = BN_new(); + BIGNUM *t2 = BN_new(); + int ret = 0; + + /* + * g' = g^{xc + xa + xb} [from our POV] + * t1 = xa + xb + */ + BN_mod_add(t1, ctx->xa, ctx->xb, ctx->p.q, ctx->ctx); + /* t2 = g^{t1} = g^{xa+xb} */ + BN_mod_exp(t2, ctx->p.g, t1, ctx->p.p, ctx->ctx); + /* t1 = g^{xc} * t2 = g^{xc + xa + xb} */ + BN_mod_mul(t1, ctx->p.gxc, t2, ctx->p.p, ctx->ctx); + + if(verify_zkp(received, t1, ctx)) + ret = 1; + else + JPAKEerr(JPAKE_F_JPAKE_STEP2_PROCESS, JPAKE_R_VERIFY_B_FAILED); + + compute_key(ctx, received->gx); + + /* cleanup */ + BN_free(t2); + BN_free(t1); + + return ret; + } + +static void quickhashbn(unsigned char *md, const BIGNUM *bn) + { + SHA_CTX sha; + + SHA1_Init(&sha); + hashbn(&sha, bn); + SHA1_Final(md, &sha); + } + +void JPAKE_STEP3A_init(JPAKE_STEP3A *s3a) + {} + +int JPAKE_STEP3A_generate(JPAKE_STEP3A *send, JPAKE_CTX *ctx) + { + quickhashbn(send->hhk, ctx->key); + SHA1(send->hhk, sizeof send->hhk, send->hhk); + + return 1; + } + +int JPAKE_STEP3A_process(JPAKE_CTX *ctx, const JPAKE_STEP3A *received) + { + unsigned char hhk[SHA_DIGEST_LENGTH]; + + quickhashbn(hhk, ctx->key); + SHA1(hhk, sizeof hhk, hhk); + if(memcmp(hhk, received->hhk, sizeof hhk)) + { + JPAKEerr(JPAKE_F_JPAKE_STEP3A_PROCESS, JPAKE_R_HASH_OF_HASH_OF_KEY_MISMATCH); + return 0; + } + return 1; + } + +void JPAKE_STEP3A_release(JPAKE_STEP3A *s3a) + {} + +void JPAKE_STEP3B_init(JPAKE_STEP3B *s3b) + {} + +int JPAKE_STEP3B_generate(JPAKE_STEP3B *send, JPAKE_CTX *ctx) + { + quickhashbn(send->hk, ctx->key); + + return 1; + } + +int JPAKE_STEP3B_process(JPAKE_CTX *ctx, const JPAKE_STEP3B *received) + { + unsigned char hk[SHA_DIGEST_LENGTH]; + + quickhashbn(hk, ctx->key); + if(memcmp(hk, received->hk, sizeof hk)) + { + JPAKEerr(JPAKE_F_JPAKE_STEP3B_PROCESS, JPAKE_R_HASH_OF_KEY_MISMATCH); + return 0; + } + return 1; + } + +void JPAKE_STEP3B_release(JPAKE_STEP3B *s3b) + {} + +const BIGNUM *JPAKE_get_shared_key(JPAKE_CTX *ctx) + { + return ctx->key; + } + diff --git a/app/openssl/crypto/jpake/jpake.h b/app/openssl/crypto/jpake/jpake.h new file mode 100644 index 00000000..fd143b4d --- /dev/null +++ b/app/openssl/crypto/jpake/jpake.h @@ -0,0 +1,131 @@ +/* + * Implement J-PAKE, as described in + * http://grouper.ieee.org/groups/1363/Research/contributions/hao-ryan-2008.pdf + * + * With hints from http://www.cl.cam.ac.uk/~fh240/software/JPAKE2.java. + */ + +#ifndef HEADER_JPAKE_H +#define HEADER_JPAKE_H + +#include + +#ifdef OPENSSL_NO_JPAKE +#error JPAKE is disabled. +#endif + +#ifdef __cplusplus +extern "C" { +#endif + +#include +#include + +typedef struct JPAKE_CTX JPAKE_CTX; + +/* Note that "g" in the ZKPs is not necessarily the J-PAKE g. */ +typedef struct + { + BIGNUM *gr; /* g^r (r random) */ + BIGNUM *b; /* b = r - x*h, h=hash(g, g^r, g^x, name) */ + } JPAKE_ZKP; + +typedef struct + { + BIGNUM *gx; /* g^x in step 1, g^(xa + xc + xd) * xb * s in step 2 */ + JPAKE_ZKP zkpx; /* ZKP(x) or ZKP(xb * s) */ + } JPAKE_STEP_PART; + +typedef struct + { + JPAKE_STEP_PART p1; /* g^x3, ZKP(x3) or g^x1, ZKP(x1) */ + JPAKE_STEP_PART p2; /* g^x4, ZKP(x4) or g^x2, ZKP(x2) */ + } JPAKE_STEP1; + +typedef JPAKE_STEP_PART JPAKE_STEP2; + +typedef struct + { + unsigned char hhk[SHA_DIGEST_LENGTH]; + } JPAKE_STEP3A; + +typedef struct + { + unsigned char hk[SHA_DIGEST_LENGTH]; + } JPAKE_STEP3B; + +/* Parameters are copied */ +JPAKE_CTX *JPAKE_CTX_new(const char *name, const char *peer_name, + const BIGNUM *p, const BIGNUM *g, const BIGNUM *q, + const BIGNUM *secret); +void JPAKE_CTX_free(JPAKE_CTX *ctx); + +/* + * Note that JPAKE_STEP1 can be used multiple times before release + * without another init. + */ +void JPAKE_STEP1_init(JPAKE_STEP1 *s1); +int JPAKE_STEP1_generate(JPAKE_STEP1 *send, JPAKE_CTX *ctx); +int JPAKE_STEP1_process(JPAKE_CTX *ctx, const JPAKE_STEP1 *received); +void JPAKE_STEP1_release(JPAKE_STEP1 *s1); + +/* + * Note that JPAKE_STEP2 can be used multiple times before release + * without another init. + */ +void JPAKE_STEP2_init(JPAKE_STEP2 *s2); +int JPAKE_STEP2_generate(JPAKE_STEP2 *send, JPAKE_CTX *ctx); +int JPAKE_STEP2_process(JPAKE_CTX *ctx, const JPAKE_STEP2 *received); +void JPAKE_STEP2_release(JPAKE_STEP2 *s2); + +/* + * Optionally verify the shared key. If the shared secrets do not + * match, the two ends will disagree about the shared key, but + * otherwise the protocol will succeed. + */ +void JPAKE_STEP3A_init(JPAKE_STEP3A *s3a); +int JPAKE_STEP3A_generate(JPAKE_STEP3A *send, JPAKE_CTX *ctx); +int JPAKE_STEP3A_process(JPAKE_CTX *ctx, const JPAKE_STEP3A *received); +void JPAKE_STEP3A_release(JPAKE_STEP3A *s3a); + +void JPAKE_STEP3B_init(JPAKE_STEP3B *s3b); +int JPAKE_STEP3B_generate(JPAKE_STEP3B *send, JPAKE_CTX *ctx); +int JPAKE_STEP3B_process(JPAKE_CTX *ctx, const JPAKE_STEP3B *received); +void JPAKE_STEP3B_release(JPAKE_STEP3B *s3b); + +/* + * the return value belongs to the library and will be released when + * ctx is released, and will change when a new handshake is performed. + */ +const BIGNUM *JPAKE_get_shared_key(JPAKE_CTX *ctx); + +/* BEGIN ERROR CODES */ +/* The following lines are auto generated by the script mkerr.pl. Any changes + * made after this point may be overwritten when the script is next run. + */ +void ERR_load_JPAKE_strings(void); + +/* Error codes for the JPAKE functions. */ + +/* Function codes. */ +#define JPAKE_F_JPAKE_STEP1_PROCESS 101 +#define JPAKE_F_JPAKE_STEP2_PROCESS 102 +#define JPAKE_F_JPAKE_STEP3A_PROCESS 103 +#define JPAKE_F_JPAKE_STEP3B_PROCESS 104 +#define JPAKE_F_VERIFY_ZKP 100 + +/* Reason codes. */ +#define JPAKE_R_G_TO_THE_X3_IS_NOT_LEGAL 108 +#define JPAKE_R_G_TO_THE_X4_IS_NOT_LEGAL 109 +#define JPAKE_R_G_TO_THE_X4_IS_ONE 105 +#define JPAKE_R_HASH_OF_HASH_OF_KEY_MISMATCH 106 +#define JPAKE_R_HASH_OF_KEY_MISMATCH 107 +#define JPAKE_R_VERIFY_B_FAILED 102 +#define JPAKE_R_VERIFY_X3_FAILED 103 +#define JPAKE_R_VERIFY_X4_FAILED 104 +#define JPAKE_R_ZKP_VERIFY_FAILED 100 + +#ifdef __cplusplus +} +#endif +#endif diff --git a/app/openssl/crypto/jpake/jpake_err.c b/app/openssl/crypto/jpake/jpake_err.c new file mode 100644 index 00000000..a9a9dee7 --- /dev/null +++ b/app/openssl/crypto/jpake/jpake_err.c @@ -0,0 +1,107 @@ +/* crypto/jpake/jpake_err.c */ +/* ==================================================================== + * Copyright (c) 1999-2010 The OpenSSL Project. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * + * 3. All advertising materials mentioning features or use of this + * software must display the following acknowledgment: + * "This product includes software developed by the OpenSSL Project + * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" + * + * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to + * endorse or promote products derived from this software without + * prior written permission. For written permission, please contact + * openssl-core@OpenSSL.org. + * + * 5. Products derived from this software may not be called "OpenSSL" + * nor may "OpenSSL" appear in their names without prior written + * permission of the OpenSSL Project. + * + * 6. Redistributions of any form whatsoever must retain the following + * acknowledgment: + * "This product includes software developed by the OpenSSL Project + * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" + * + * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY + * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR + * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED + * OF THE POSSIBILITY OF SUCH DAMAGE. + * ==================================================================== + * + * This product includes cryptographic software written by Eric Young + * (eay@cryptsoft.com). This product includes software written by Tim + * Hudson (tjh@cryptsoft.com). + * + */ + +/* NOTE: this file was auto generated by the mkerr.pl script: any changes + * made to it will be overwritten when the script next updates this file, + * only reason strings will be preserved. + */ + +#include +#include +#include + +/* BEGIN ERROR CODES */ +#ifndef OPENSSL_NO_ERR + +#define ERR_FUNC(func) ERR_PACK(ERR_LIB_JPAKE,func,0) +#define ERR_REASON(reason) ERR_PACK(ERR_LIB_JPAKE,0,reason) + +static ERR_STRING_DATA JPAKE_str_functs[]= + { +{ERR_FUNC(JPAKE_F_JPAKE_STEP1_PROCESS), "JPAKE_STEP1_process"}, +{ERR_FUNC(JPAKE_F_JPAKE_STEP2_PROCESS), "JPAKE_STEP2_process"}, +{ERR_FUNC(JPAKE_F_JPAKE_STEP3A_PROCESS), "JPAKE_STEP3A_process"}, +{ERR_FUNC(JPAKE_F_JPAKE_STEP3B_PROCESS), "JPAKE_STEP3B_process"}, +{ERR_FUNC(JPAKE_F_VERIFY_ZKP), "VERIFY_ZKP"}, +{0,NULL} + }; + +static ERR_STRING_DATA JPAKE_str_reasons[]= + { +{ERR_REASON(JPAKE_R_G_TO_THE_X3_IS_NOT_LEGAL),"g to the x3 is not legal"}, +{ERR_REASON(JPAKE_R_G_TO_THE_X4_IS_NOT_LEGAL),"g to the x4 is not legal"}, +{ERR_REASON(JPAKE_R_G_TO_THE_X4_IS_ONE) ,"g to the x4 is one"}, +{ERR_REASON(JPAKE_R_HASH_OF_HASH_OF_KEY_MISMATCH),"hash of hash of key mismatch"}, +{ERR_REASON(JPAKE_R_HASH_OF_KEY_MISMATCH),"hash of key mismatch"}, +{ERR_REASON(JPAKE_R_VERIFY_B_FAILED) ,"verify b failed"}, +{ERR_REASON(JPAKE_R_VERIFY_X3_FAILED) ,"verify x3 failed"}, +{ERR_REASON(JPAKE_R_VERIFY_X4_FAILED) ,"verify x4 failed"}, +{ERR_REASON(JPAKE_R_ZKP_VERIFY_FAILED) ,"zkp verify failed"}, +{0,NULL} + }; + +#endif + +void ERR_load_JPAKE_strings(void) + { +#ifndef OPENSSL_NO_ERR + + if (ERR_func_error_string(JPAKE_str_functs[0].error) == NULL) + { + ERR_load_strings(0,JPAKE_str_functs); + ERR_load_strings(0,JPAKE_str_reasons); + } +#endif + } diff --git a/app/openssl/crypto/jpake/jpaketest.c b/app/openssl/crypto/jpake/jpaketest.c new file mode 100644 index 00000000..eaba75ed --- /dev/null +++ b/app/openssl/crypto/jpake/jpaketest.c @@ -0,0 +1,192 @@ +#include + +#ifdef OPENSSL_NO_JPAKE + +#include + +int main(int argc, char *argv[]) +{ + printf("No J-PAKE support\n"); + return(0); +} + +#else + +#include +#include + +static void showbn(const char *name, const BIGNUM *bn) + { + fputs(name, stdout); + fputs(" = ", stdout); + BN_print_fp(stdout, bn); + putc('\n', stdout); + } + +static int run_jpake(JPAKE_CTX *alice, JPAKE_CTX *bob) + { + JPAKE_STEP1 alice_s1; + JPAKE_STEP1 bob_s1; + JPAKE_STEP2 alice_s2; + JPAKE_STEP2 bob_s2; + JPAKE_STEP3A alice_s3a; + JPAKE_STEP3B bob_s3b; + + /* Alice -> Bob: step 1 */ + puts("A->B s1"); + JPAKE_STEP1_init(&alice_s1); + JPAKE_STEP1_generate(&alice_s1, alice); + if(!JPAKE_STEP1_process(bob, &alice_s1)) + { + printf("Bob fails to process Alice's step 1\n"); + ERR_print_errors_fp(stdout); + return 1; + } + JPAKE_STEP1_release(&alice_s1); + + /* Bob -> Alice: step 1 */ + puts("B->A s1"); + JPAKE_STEP1_init(&bob_s1); + JPAKE_STEP1_generate(&bob_s1, bob); + if(!JPAKE_STEP1_process(alice, &bob_s1)) + { + printf("Alice fails to process Bob's step 1\n"); + ERR_print_errors_fp(stdout); + return 2; + } + JPAKE_STEP1_release(&bob_s1); + + /* Alice -> Bob: step 2 */ + puts("A->B s2"); + JPAKE_STEP2_init(&alice_s2); + JPAKE_STEP2_generate(&alice_s2, alice); + if(!JPAKE_STEP2_process(bob, &alice_s2)) + { + printf("Bob fails to process Alice's step 2\n"); + ERR_print_errors_fp(stdout); + return 3; + } + JPAKE_STEP2_release(&alice_s2); + + /* Bob -> Alice: step 2 */ + puts("B->A s2"); + JPAKE_STEP2_init(&bob_s2); + JPAKE_STEP2_generate(&bob_s2, bob); + if(!JPAKE_STEP2_process(alice, &bob_s2)) + { + printf("Alice fails to process Bob's step 2\n"); + ERR_print_errors_fp(stdout); + return 4; + } + JPAKE_STEP2_release(&bob_s2); + + showbn("Alice's key", JPAKE_get_shared_key(alice)); + showbn("Bob's key ", JPAKE_get_shared_key(bob)); + + /* Alice -> Bob: step 3a */ + puts("A->B s3a"); + JPAKE_STEP3A_init(&alice_s3a); + JPAKE_STEP3A_generate(&alice_s3a, alice); + if(!JPAKE_STEP3A_process(bob, &alice_s3a)) + { + printf("Bob fails to process Alice's step 3a\n"); + ERR_print_errors_fp(stdout); + return 5; + } + JPAKE_STEP3A_release(&alice_s3a); + + /* Bob -> Alice: step 3b */ + puts("B->A s3b"); + JPAKE_STEP3B_init(&bob_s3b); + JPAKE_STEP3B_generate(&bob_s3b, bob); + if(!JPAKE_STEP3B_process(alice, &bob_s3b)) + { + printf("Alice fails to process Bob's step 3b\n"); + ERR_print_errors_fp(stdout); + return 6; + } + JPAKE_STEP3B_release(&bob_s3b); + + return 0; + } + +int main(int argc, char **argv) + { + JPAKE_CTX *alice; + JPAKE_CTX *bob; + BIGNUM *p = NULL; + BIGNUM *g = NULL; + BIGNUM *q = NULL; + BIGNUM *secret = BN_new(); + BIO *bio_err; + + bio_err = BIO_new_fp(stderr, BIO_NOCLOSE); + + CRYPTO_malloc_debug_init(); + CRYPTO_dbg_set_options(V_CRYPTO_MDEBUG_ALL); + CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON); + + ERR_load_crypto_strings(); + + /* + BN_hex2bn(&p, "fd7f53811d75122952df4a9c2eece4e7f611b7523cef4400c31e3f80b6512669455d402251fb593d8d58fabfc5f5ba30f6cb9b556cd7813b801d346ff26660b76b9950a5a49f9fe8047b1022c24fbba9d7feb7c61bf83b57e7c6a8a6150f04fb83f6d3c51ec3023554135a169132f675f3ae2b61d72aeff22203199dd14801c7"); + BN_hex2bn(&g, "f7e1a085d69b3ddecbbcab5c36b857b97994afbbfa3aea82f9574c0b3d0782675159578ebad4594fe67107108180b449167123e84c281613b7cf09328cc8a6e13c167a8b547c8d28e0a3ae1e2bb3a675916ea37f0bfa213562f1fb627a01243bcca4f1bea8519089a883dfe15ae59f06928b665e807b552564014c3bfecf492a"); + BN_hex2bn(&q, "9760508f15230bccb292b982a2eb840bf0581cf5"); + */ + /* + p = BN_new(); + BN_generate_prime(p, 1024, 1, NULL, NULL, NULL, NULL); + */ + /* Use a safe prime for p (that we found earlier) */ + BN_hex2bn(&p, "F9E5B365665EA7A05A9C534502780FEE6F1AB5BD4F49947FD036DBD7E905269AF46EF28B0FC07487EE4F5D20FB3C0AF8E700F3A2FA3414970CBED44FEDFF80CE78D800F184BB82435D137AADA2C6C16523247930A63B85661D1FC817A51ACD96168E95898A1F83A79FFB529368AA7833ABD1B0C3AEDDB14D2E1A2F71D99F763F"); + showbn("p", p); + g = BN_new(); + BN_set_word(g, 2); + showbn("g", g); + q = BN_new(); + BN_rshift1(q, p); + showbn("q", q); + + BN_rand(secret, 32, -1, 0); + + /* A normal run, expect this to work... */ + alice = JPAKE_CTX_new("Alice", "Bob", p, g, q, secret); + bob = JPAKE_CTX_new("Bob", "Alice", p, g, q, secret); + + if(run_jpake(alice, bob) != 0) + { + fprintf(stderr, "Plain JPAKE run failed\n"); + return 1; + } + + JPAKE_CTX_free(bob); + JPAKE_CTX_free(alice); + + /* Now give Alice and Bob different secrets */ + alice = JPAKE_CTX_new("Alice", "Bob", p, g, q, secret); + BN_add_word(secret, 1); + bob = JPAKE_CTX_new("Bob", "Alice", p, g, q, secret); + + if(run_jpake(alice, bob) != 5) + { + fprintf(stderr, "Mismatched secret JPAKE run failed\n"); + return 1; + } + + JPAKE_CTX_free(bob); + JPAKE_CTX_free(alice); + + BN_free(secret); + BN_free(q); + BN_free(g); + BN_free(p); + + CRYPTO_cleanup_all_ex_data(); + ERR_remove_thread_state(NULL); + ERR_free_strings(); + CRYPTO_mem_leaks(bio_err); + + return 0; + } + +#endif -- cgit v1.2.3