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dh: Removed duplicated code

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The code for calculating SHA 512 in ssh_make_sessionid() had been
duplicated; the cases were unified.

Signed-off-by: Anderson Toshiyuki Sasaki <ansasaki@redhat.com>
(cherry picked from commit 0eab270754)
This commit is contained in:
Anderson Toshiyuki Sasaki
2018-09-20 13:01:36 +02:00
committed by Andreas Schneider
parent 4a9c32fc81
commit 75c446c529
1 changed files with 5 additions and 15 deletions
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18
src/dh.c
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@@ -890,19 +890,6 @@ int ssh_make_sessionid(ssh_session session) {
sha1(ssh_buffer_get(buf), ssh_buffer_get_len(buf), sha1(ssh_buffer_get(buf), ssh_buffer_get_len(buf),
session->next_crypto->secret_hash); session->next_crypto->secret_hash);
break; break;
case SSH_KEX_DH_GROUP16_SHA512:
case SSH_KEX_DH_GROUP18_SHA512:
session->next_crypto->digest_len = SHA512_DIGEST_LENGTH;
session->next_crypto->mac_type = SSH_MAC_SHA512;
session->next_crypto->secret_hash = malloc(session->next_crypto->digest_len);
if (session->next_crypto->secret_hash == NULL) {
ssh_set_error_oom(session);
goto error;
}
sha512(ssh_buffer_get(buf),
ssh_buffer_get_len(buf),
session->next_crypto->secret_hash);
break;
case SSH_KEX_ECDH_SHA2_NISTP256: case SSH_KEX_ECDH_SHA2_NISTP256:
case SSH_KEX_CURVE25519_SHA256: case SSH_KEX_CURVE25519_SHA256:
case SSH_KEX_CURVE25519_SHA256_LIBSSH_ORG: case SSH_KEX_CURVE25519_SHA256_LIBSSH_ORG:
@@ -927,6 +914,8 @@ int ssh_make_sessionid(ssh_session session) {
sha384(ssh_buffer_get(buf), ssh_buffer_get_len(buf), sha384(ssh_buffer_get(buf), ssh_buffer_get_len(buf),
session->next_crypto->secret_hash); session->next_crypto->secret_hash);
break; break;
case SSH_KEX_DH_GROUP16_SHA512:
case SSH_KEX_DH_GROUP18_SHA512:
case SSH_KEX_ECDH_SHA2_NISTP521: case SSH_KEX_ECDH_SHA2_NISTP521:
session->next_crypto->digest_len = SHA512_DIGEST_LENGTH; session->next_crypto->digest_len = SHA512_DIGEST_LENGTH;
session->next_crypto->mac_type = SSH_MAC_SHA512; session->next_crypto->mac_type = SSH_MAC_SHA512;
@@ -935,7 +924,8 @@ int ssh_make_sessionid(ssh_session session) {
ssh_set_error_oom(session); ssh_set_error_oom(session);
goto error; goto error;
} }
sha512(ssh_buffer_get(buf), ssh_buffer_get_len(buf), sha512(ssh_buffer_get(buf),
ssh_buffer_get_len(buf),
session->next_crypto->secret_hash); session->next_crypto->secret_hash);
break; break;
} }