diff options
Diffstat (limited to 'app/openssl/crypto/pkcs12/p12_key.c')
| -rw-r--r-- | app/openssl/crypto/pkcs12/p12_key.c | 40 |
1 files changed, 25 insertions, 15 deletions
diff --git a/app/openssl/crypto/pkcs12/p12_key.c b/app/openssl/crypto/pkcs12/p12_key.c index 424203f6..61d58502 100644 --- a/app/openssl/crypto/pkcs12/p12_key.c +++ b/app/openssl/crypto/pkcs12/p12_key.c @@ -152,14 +152,16 @@ int PKCS12_key_gen_uni(unsigned char *pass, int passlen, unsigned char *salt, for (i = 0; i < Slen; i++) *p++ = salt[i % saltlen]; for (i = 0; i < Plen; i++) *p++ = pass[i % passlen]; for (;;) { - EVP_DigestInit_ex(&ctx, md_type, NULL); - EVP_DigestUpdate(&ctx, D, v); - EVP_DigestUpdate(&ctx, I, Ilen); - EVP_DigestFinal_ex(&ctx, Ai, NULL); + if (!EVP_DigestInit_ex(&ctx, md_type, NULL) + || !EVP_DigestUpdate(&ctx, D, v) + || !EVP_DigestUpdate(&ctx, I, Ilen) + || !EVP_DigestFinal_ex(&ctx, Ai, NULL)) + goto err; for (j = 1; j < iter; j++) { - EVP_DigestInit_ex(&ctx, md_type, NULL); - EVP_DigestUpdate(&ctx, Ai, u); - EVP_DigestFinal_ex(&ctx, Ai, NULL); + if (!EVP_DigestInit_ex(&ctx, md_type, NULL) + || !EVP_DigestUpdate(&ctx, Ai, u) + || !EVP_DigestFinal_ex(&ctx, Ai, NULL)) + goto err; } memcpy (out, Ai, min (n, u)); if (u >= n) { @@ -174,24 +176,32 @@ int PKCS12_key_gen_uni(unsigned char *pass, int passlen, unsigned char *salt, 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 */ - if (!BN_bin2bn (B, v, Bpl1)) goto err; - if (!BN_add_word (Bpl1, 1)) goto err; + if (!BN_bin2bn (B, v, Bpl1)) + goto err; + if (!BN_add_word (Bpl1, 1)) + goto err; for (j = 0; j < Ilen ; j+=v) { - if (!BN_bin2bn (I + j, v, Ij)) goto err; - if (!BN_add (Ij, Ij, Bpl1)) goto err; - BN_bn2bin (Ij, B); + if (!BN_bin2bn(I + j, v, Ij)) + goto err; + if (!BN_add(Ij, Ij, Bpl1)) + goto err; + if (!BN_bn2bin(Ij, B)) + goto err; Ijlen = BN_num_bytes (Ij); /* If more than 2^(v*8) - 1 cut off MSB */ if (Ijlen > v) { - BN_bn2bin (Ij, B); + if (!BN_bn2bin (Ij, B)) + goto err; memcpy (I + j, B + 1, v); #ifndef PKCS12_BROKEN_KEYGEN /* If less than v bytes pad with zeroes */ } else if (Ijlen < v) { memset(I + j, 0, v - Ijlen); - BN_bn2bin(Ij, I + j + v - Ijlen); + if (!BN_bn2bin(Ij, I + j + v - Ijlen)) + goto err; #endif - } else BN_bn2bin (Ij, I + j); + } else if (!BN_bn2bin (Ij, I + j)) + goto err; } } |