| Index: openssl/crypto/pkcs12/p12_key.c
|
| ===================================================================
|
| --- openssl/crypto/pkcs12/p12_key.c (revision 105093)
|
| +++ openssl/crypto/pkcs12/p12_key.c (working copy)
|
| @@ -69,12 +69,6 @@
|
| void h__dump (unsigned char *p, int len);
|
| #endif
|
|
|
| -#ifdef OPENSSL_SYS_NETWARE
|
| -/* Rename these functions to avoid name clashes on NetWare OS */
|
| -#define uni2asc OPENSSL_uni2asc
|
| -#define asc2uni OPENSSL_asc2uni
|
| -#endif
|
| -
|
| /* PKCS12 compatible key/IV generation */
|
| #ifndef min
|
| #define min(a,b) ((a) < (b) ? (a) : (b))
|
| @@ -87,15 +81,18 @@
|
| int ret;
|
| unsigned char *unipass;
|
| int uniplen;
|
| +
|
| if(!pass) {
|
| unipass = NULL;
|
| uniplen = 0;
|
| - } else if (!asc2uni(pass, passlen, &unipass, &uniplen)) {
|
| + } else if (!OPENSSL_asc2uni(pass, passlen, &unipass, &uniplen)) {
|
| PKCS12err(PKCS12_F_PKCS12_KEY_GEN_ASC,ERR_R_MALLOC_FAILURE);
|
| return 0;
|
| }
|
| ret = PKCS12_key_gen_uni(unipass, uniplen, salt, saltlen,
|
| id, iter, n, out, md_type);
|
| + if (ret <= 0)
|
| + return 0;
|
| if(unipass) {
|
| OPENSSL_cleanse(unipass, uniplen); /* Clear password from memory */
|
| OPENSSL_free(unipass);
|
| @@ -110,6 +107,7 @@
|
| unsigned char *B, *D, *I, *p, *Ai;
|
| int Slen, Plen, Ilen, Ijlen;
|
| int i, j, u, v;
|
| + int ret = 0;
|
| BIGNUM *Ij, *Bpl1; /* These hold Ij and B + 1 */
|
| EVP_MD_CTX ctx;
|
| #ifdef DEBUG_KEYGEN
|
| @@ -135,6 +133,8 @@
|
| #endif
|
| v = EVP_MD_block_size (md_type);
|
| u = EVP_MD_size (md_type);
|
| + if (u < 0)
|
| + return 0;
|
| D = OPENSSL_malloc (v);
|
| Ai = OPENSSL_malloc (u);
|
| B = OPENSSL_malloc (v + 1);
|
| @@ -145,10 +145,8 @@
|
| I = OPENSSL_malloc (Ilen);
|
| Ij = BN_new();
|
| Bpl1 = BN_new();
|
| - if (!D || !Ai || !B || !I || !Ij || !Bpl1) {
|
| - PKCS12err(PKCS12_F_PKCS12_KEY_GEN_UNI,ERR_R_MALLOC_FAILURE);
|
| - return 0;
|
| - }
|
| + if (!D || !Ai || !B || !I || !Ij || !Bpl1)
|
| + goto err;
|
| for (i = 0; i < v; i++) D[i] = id;
|
| p = I;
|
| for (i = 0; i < Slen; i++) *p++ = salt[i % saltlen];
|
| @@ -165,28 +163,22 @@
|
| }
|
| memcpy (out, Ai, min (n, u));
|
| if (u >= n) {
|
| - OPENSSL_free (Ai);
|
| - OPENSSL_free (B);
|
| - OPENSSL_free (D);
|
| - OPENSSL_free (I);
|
| - BN_free (Ij);
|
| - BN_free (Bpl1);
|
| - EVP_MD_CTX_cleanup(&ctx);
|
| #ifdef DEBUG_KEYGEN
|
| fprintf(stderr, "Output KEY (length %d)\n", tmpn);
|
| h__dump(tmpout, tmpn);
|
| #endif
|
| - return 1;
|
| + ret = 1;
|
| + goto end;
|
| }
|
| n -= u;
|
| out += u;
|
| for (j = 0; j < v; j++) B[j] = Ai[j % u];
|
| /* Work out B + 1 first then can use B as tmp space */
|
| - BN_bin2bn (B, v, Bpl1);
|
| - BN_add_word (Bpl1, 1);
|
| + if (!BN_bin2bn (B, v, Bpl1)) goto err;
|
| + if (!BN_add_word (Bpl1, 1)) goto err;
|
| for (j = 0; j < Ilen ; j+=v) {
|
| - BN_bin2bn (I + j, v, Ij);
|
| - BN_add (Ij, Ij, Bpl1);
|
| + if (!BN_bin2bn (I + j, v, Ij)) goto err;
|
| + if (!BN_add (Ij, Ij, Bpl1)) goto err;
|
| BN_bn2bin (Ij, B);
|
| Ijlen = BN_num_bytes (Ij);
|
| /* If more than 2^(v*8) - 1 cut off MSB */
|
| @@ -202,6 +194,19 @@
|
| } else BN_bn2bin (Ij, I + j);
|
| }
|
| }
|
| +
|
| +err:
|
| + PKCS12err(PKCS12_F_PKCS12_KEY_GEN_UNI,ERR_R_MALLOC_FAILURE);
|
| +
|
| +end:
|
| + OPENSSL_free (Ai);
|
| + OPENSSL_free (B);
|
| + OPENSSL_free (D);
|
| + OPENSSL_free (I);
|
| + BN_free (Ij);
|
| + BN_free (Bpl1);
|
| + EVP_MD_CTX_cleanup(&ctx);
|
| + return ret;
|
| }
|
| #ifdef DEBUG_KEYGEN
|
| void h__dump (unsigned char *p, int len)
|
|
|