+++ /dev/null
-/*
- * 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 <openssl/opensslconf.h>
-
-# ifdef OPENSSL_NO_JPAKE
-# error JPAKE is disabled.
-# endif
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-# include <openssl/bn.h>
-# include <openssl/sha.h>
-
-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
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