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path: root/openssl/crypto/pem/pem_lib.c
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Diffstat (limited to 'openssl/crypto/pem/pem_lib.c')
-rw-r--r--openssl/crypto/pem/pem_lib.c27
1 files changed, 17 insertions, 10 deletions
diff --git a/openssl/crypto/pem/pem_lib.c b/openssl/crypto/pem/pem_lib.c
index cfc89a992..5a421fc4b 100644
--- a/openssl/crypto/pem/pem_lib.c
+++ b/openssl/crypto/pem/pem_lib.c
@@ -394,7 +394,8 @@ int PEM_ASN1_write_bio(i2d_of_void *i2d, const char *name, BIO *bp,
goto err;
/* The 'iv' is used as the iv and as a salt. It is
* NOT taken from the BytesToKey function */
- EVP_BytesToKey(enc,EVP_md5(),iv,kstr,klen,1,key,NULL);
+ if (!EVP_BytesToKey(enc,EVP_md5(),iv,kstr,klen,1,key,NULL))
+ goto err;
if (kstr == (unsigned char *)buf) OPENSSL_cleanse(buf,PEM_BUFSIZE);
@@ -406,12 +407,15 @@ int PEM_ASN1_write_bio(i2d_of_void *i2d, const char *name, BIO *bp,
/* k=strlen(buf); */
EVP_CIPHER_CTX_init(&ctx);
- EVP_EncryptInit_ex(&ctx,enc,NULL,key,iv);
- EVP_EncryptUpdate(&ctx,data,&j,data,i);
- EVP_EncryptFinal_ex(&ctx,&(data[j]),&i);
+ ret = 1;
+ if (!EVP_EncryptInit_ex(&ctx,enc,NULL,key,iv)
+ || !EVP_EncryptUpdate(&ctx,data,&j,data,i)
+ || !EVP_EncryptFinal_ex(&ctx,&(data[j]),&i))
+ ret = 0;
EVP_CIPHER_CTX_cleanup(&ctx);
+ if (ret == 0)
+ goto err;
i+=j;
- ret=1;
}
else
{
@@ -459,14 +463,17 @@ int PEM_do_header(EVP_CIPHER_INFO *cipher, unsigned char *data, long *plen,
ebcdic2ascii(buf, buf, klen);
#endif
- EVP_BytesToKey(cipher->cipher,EVP_md5(),&(cipher->iv[0]),
- (unsigned char *)buf,klen,1,key,NULL);
+ if (!EVP_BytesToKey(cipher->cipher,EVP_md5(),&(cipher->iv[0]),
+ (unsigned char *)buf,klen,1,key,NULL))
+ return 0;
j=(int)len;
EVP_CIPHER_CTX_init(&ctx);
- EVP_DecryptInit_ex(&ctx,cipher->cipher,NULL, key,&(cipher->iv[0]));
- EVP_DecryptUpdate(&ctx,data,&i,data,j);
- o=EVP_DecryptFinal_ex(&ctx,&(data[i]),&j);
+ o = EVP_DecryptInit_ex(&ctx,cipher->cipher,NULL, key,&(cipher->iv[0]));
+ if (o)
+ o = EVP_DecryptUpdate(&ctx,data,&i,data,j);
+ if (o)
+ o = EVP_DecryptFinal_ex(&ctx,&(data[i]),&j);
EVP_CIPHER_CTX_cleanup(&ctx);
OPENSSL_cleanse((char *)buf,sizeof(buf));
OPENSSL_cleanse((char *)key,sizeof(key));