| auth-rsa.c (162856) | auth-rsa.c (164149) |
|---|---|
| 1/* $OpenBSD: auth-rsa.c,v 1.71 2006/08/03 03:34:41 deraadt Exp $ */ | 1/* $OpenBSD: auth-rsa.c,v 1.72 2006/11/06 21:25:27 markus Exp $ */ |
| 2/* 3 * Author: Tatu Ylonen <ylo@cs.hut.fi> 4 * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland 5 * All rights reserved 6 * RSA-based authentication. This code determines whether to admit a login 7 * based on RSA authentication. This file also contains functions to check 8 * validity of the host key. 9 * --- 61 unchanged lines hidden (view full) --- 71auth_rsa_generate_challenge(Key *key) 72{ 73 BIGNUM *challenge; 74 BN_CTX *ctx; 75 76 if ((challenge = BN_new()) == NULL) 77 fatal("auth_rsa_generate_challenge: BN_new() failed"); 78 /* Generate a random challenge. */ | 2/* 3 * Author: Tatu Ylonen <ylo@cs.hut.fi> 4 * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland 5 * All rights reserved 6 * RSA-based authentication. This code determines whether to admit a login 7 * based on RSA authentication. This file also contains functions to check 8 * validity of the host key. 9 * --- 61 unchanged lines hidden (view full) --- 71auth_rsa_generate_challenge(Key *key) 72{ 73 BIGNUM *challenge; 74 BN_CTX *ctx; 75 76 if ((challenge = BN_new()) == NULL) 77 fatal("auth_rsa_generate_challenge: BN_new() failed"); 78 /* Generate a random challenge. */ |
| 79 BN_rand(challenge, 256, 0, 0); | 79 if (BN_rand(challenge, 256, 0, 0) == 0) 80 fatal("auth_rsa_generate_challenge: BN_rand failed"); |
| 80 if ((ctx = BN_CTX_new()) == NULL) | 81 if ((ctx = BN_CTX_new()) == NULL) |
| 81 fatal("auth_rsa_generate_challenge: BN_CTX_new() failed"); 82 BN_mod(challenge, challenge, key->rsa->n, ctx); | 82 fatal("auth_rsa_generate_challenge: BN_CTX_new failed"); 83 if (BN_mod(challenge, challenge, key->rsa->n, ctx) == 0) 84 fatal("auth_rsa_generate_challenge: BN_mod failed"); |
| 83 BN_CTX_free(ctx); 84 85 return challenge; 86} 87 88int 89auth_rsa_verify_response(Key *key, BIGNUM *challenge, u_char response[16]) 90{ --- 251 unchanged lines hidden --- | 85 BN_CTX_free(ctx); 86 87 return challenge; 88} 89 90int 91auth_rsa_verify_response(Key *key, BIGNUM *challenge, u_char response[16]) 92{ --- 251 unchanged lines hidden --- |