=================================================================== RCS file: /cvsrepo/anoncvs/cvs/src/usr.bin/ssh/ssh-keygen.c,v retrieving revision 1.320 retrieving revision 1.321 diff -u -r1.320 -r1.321 --- src/usr.bin/ssh/ssh-keygen.c 2018/09/12 01:21:34 1.320 +++ src/usr.bin/ssh/ssh-keygen.c 2018/09/13 02:08:33 1.321 @@ -1,4 +1,4 @@ -/* $OpenBSD: ssh-keygen.c,v 1.320 2018/09/12 01:21:34 djm Exp $ */ +/* $OpenBSD: ssh-keygen.c,v 1.321 2018/09/13 02:08:33 djm Exp $ */ /* * Author: Tatu Ylonen * Copyright (c) 1994 Tatu Ylonen , Espoo, Finland @@ -439,7 +439,10 @@ u_int magic, i1, i2, i3, i4; size_t slen; u_long e; - + BIGNUM *dsa_p = NULL, *dsa_q = NULL, *dsa_g = NULL; + BIGNUM *dsa_pub_key = NULL, *dsa_priv_key = NULL; + BIGNUM *rsa_n = NULL, *rsa_e = NULL, *rsa_d = NULL; + BIGNUM *rsa_p = NULL, *rsa_q = NULL, *rsa_iqmp = NULL; if ((b = sshbuf_from(blob, blen)) == NULL) fatal("%s: sshbuf_from failed", __func__); if ((r = sshbuf_get_u32(b, &magic)) != 0) @@ -483,11 +486,23 @@ switch (key->type) { case KEY_DSA: - buffer_get_bignum_bits(b, key->dsa->p); - buffer_get_bignum_bits(b, key->dsa->g); - buffer_get_bignum_bits(b, key->dsa->q); - buffer_get_bignum_bits(b, key->dsa->pub_key); - buffer_get_bignum_bits(b, key->dsa->priv_key); + if ((dsa_p = BN_new()) == NULL || + (dsa_q = BN_new()) == NULL || + (dsa_g = BN_new()) == NULL || + (dsa_pub_key = BN_new()) == NULL || + (dsa_priv_key = BN_new()) == NULL) + fatal("%s: BN_new", __func__); + buffer_get_bignum_bits(b, dsa_p); + buffer_get_bignum_bits(b, dsa_g); + buffer_get_bignum_bits(b, dsa_q); + buffer_get_bignum_bits(b, dsa_pub_key); + buffer_get_bignum_bits(b, dsa_priv_key); + if (!DSA_set0_pqg(key->dsa, dsa_p, dsa_q, dsa_g)) + fatal("%s: DSA_set0_pqg failed", __func__); + dsa_p = dsa_q = dsa_g = NULL; /* transferred */ + if (!DSA_set0_key(key->dsa, dsa_pub_key, dsa_priv_key)) + fatal("%s: DSA_set0_key failed", __func__); + dsa_pub_key = dsa_priv_key = NULL; /* transferred */ break; case KEY_RSA: if ((r = sshbuf_get_u8(b, &e1)) != 0 || @@ -504,18 +519,34 @@ e += e3; debug("e %lx", e); } - if (!BN_set_word(key->rsa->e, e)) { + if ((rsa_e = BN_new()) == NULL) + fatal("%s: BN_new", __func__); + if (!BN_set_word(rsa_e, e)) { + BN_clear_free(rsa_e); sshbuf_free(b); sshkey_free(key); return NULL; } - buffer_get_bignum_bits(b, key->rsa->d); - buffer_get_bignum_bits(b, key->rsa->n); - buffer_get_bignum_bits(b, key->rsa->iqmp); - buffer_get_bignum_bits(b, key->rsa->q); - buffer_get_bignum_bits(b, key->rsa->p); - if ((r = ssh_rsa_generate_additional_parameters(key)) != 0) + if ((rsa_n = BN_new()) == NULL || + (rsa_d = BN_new()) == NULL || + (rsa_p = BN_new()) == NULL || + (rsa_q = BN_new()) == NULL || + (rsa_iqmp = BN_new()) == NULL) + fatal("%s: BN_new", __func__); + buffer_get_bignum_bits(b, rsa_d); + buffer_get_bignum_bits(b, rsa_n); + buffer_get_bignum_bits(b, rsa_iqmp); + buffer_get_bignum_bits(b, rsa_q); + buffer_get_bignum_bits(b, rsa_p); + if (!RSA_set0_key(key->rsa, rsa_n, rsa_e, rsa_d)) + fatal("%s: RSA_set0_key failed", __func__); + rsa_n = rsa_e = rsa_d = NULL; /* transferred */ + if (!RSA_set0_factors(key->rsa, rsa_p, rsa_q)) + fatal("%s: RSA_set0_factors failed", __func__); + rsa_p = rsa_q = NULL; /* transferred */ + if ((r = ssh_rsa_complete_crt_parameters(key, rsa_iqmp)) != 0) fatal("generate RSA parameters failed: %s", ssh_err(r)); + BN_clear_free(rsa_iqmp); break; } rlen = sshbuf_len(b); @@ -623,7 +654,7 @@ identity_file); } fclose(fp); - switch (EVP_PKEY_type(pubkey->type)) { + switch (EVP_PKEY_base_id(pubkey)) { case EVP_PKEY_RSA: if ((*k = sshkey_new(KEY_UNSPEC)) == NULL) fatal("sshkey_new failed"); @@ -645,7 +676,7 @@ break; default: fatal("%s: unsupported pubkey type %d", __func__, - EVP_PKEY_type(pubkey->type)); + EVP_PKEY_base_id(pubkey)); } EVP_PKEY_free(pubkey); return;