- Fixes to auth-skey to enable it to use the standard OpenSSL libraries

1 files changed, 18 insertions, 12 deletions

diff --git a/auth-skey.c b/auth-skey.c
index 4e82bdef6..f403a1962 100644
--- a/auth-skey.c
+++ b/auth-skey.c
@@ -7,10 +7,10 @@ RCSID("$Id: auth-skey.c,v 1.5 1999/12/06 19:04:57 deraadt Exp $");
 #include "packet.h"
 
 #ifdef HAVE_OPENSSL
-#include <openssl/sha1.h>
+#include <openssl/sha.h>
 #endif
 #ifdef HAVE_SSL
-#include <ssl/sha1.h>
+#include <ssl/sha.h>
 #endif
 
 /* from %OpenBSD: skeylogin.c,v 1.32 1999/08/16 14:46:56 millert Exp % */
@@ -79,8 +79,9 @@ skey_fake_keyinfo(char *username)
         static char skeyprompt[SKEY_MAX_CHALLENGE+1];
         char *secret = NULL;
         size_t secretlen = 0;
-        SHA1_CTX ctx;
+        SHA_CTX ctx;
         char *p, *u;
+        char md[SHA_DIGEST_LENGTH];
 
         /*
          * Base first 4 chars of seed on hostname.
@@ -97,11 +98,16 @@ skey_fake_keyinfo(char *username)
         pbuf[4] = '\0';
 
         /* Hash the username if possible */
-        if ((up = SHA1Data(username, strlen(username), NULL)) != NULL) {
+        up = malloc(SHA_DIGEST_LENGTH);
+        if (up != NULL) {
                 struct stat sb;
                 time_t t;
                 int fd;
 
+                SHA1_Init(&ctx);
+                SHA1_Update(&ctx, username, strlen(username));
+                SHA1_End(&ctx, up);
+
                 /* Collapse the hash */
                 ptr = hash_collapse(up);
                 memset(up, 0, strlen(up));
@@ -131,18 +137,18 @@ skey_fake_keyinfo(char *username)
         /* Put that in your pipe and smoke it */
         if (flg == 0) {
                 /* Hash secret value with username */
-                SHA1Init(&ctx);
-                SHA1Update(&ctx, secret, secretlen);
-                SHA1Update(&ctx, username, strlen(username));
-                SHA1End(&ctx, up);
+                SHA1_Init(&ctx);
+                SHA1_Update(&ctx, secret, secretlen);
+                SHA1_Update(&ctx, username, strlen(username));
+                SHA1_End(&ctx, up);
                 
                 /* Zero out */
                 memset(secret, 0, secretlen);
 
                 /* Now hash the hash */
-                SHA1Init(&ctx);
-                SHA1Update(&ctx, up, strlen(up));
-                SHA1End(&ctx, up);
+                SHA1_Init(&ctx);
+                SHA1_Update(&ctx, up, strlen(up));
+                SHA1_End(&ctx, up);
                 
                 ptr = hash_collapse(up + 4);
                 
@@ -155,7 +161,7 @@ skey_fake_keyinfo(char *username)
                 /* Sequence number */
                 ptr = ((up[2] + up[3]) % 99) + 1;
 
-                memset(up, 0, 20); /* SHA1 specific */
+                memset(up, 0, SHA_DIGEST_LENGTH); /* SHA1 specific */
                 free(up);
 
                 (void)snprintf(skeyprompt, sizeof skeyprompt,