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Merge branch 'maint-0.3.3' into maint-0.3.4

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Nick Mathewson 2018-11-13 08:27:29 -05:00
commit 42be1c668b
2 changed files with 6 additions and 2 deletions
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4
changes/bug28413 Normal file
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@ -0,0 +1,4 @@
o Minor bugfixes (compilation):
- Initialize a variable in aes_new_cipher(), since some compilers
cannot tell that we always initialize it before use. Fixes bug 28413;
bugfix on 0.2.9.3-alpha.

4
src/common/aes.c
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@ -101,12 +101,12 @@ aes_cnt_cipher_t *
aes_new_cipher(const uint8_t *key, const uint8_t *iv, int key_bits) aes_new_cipher(const uint8_t *key, const uint8_t *iv, int key_bits)
{ {
EVP_CIPHER_CTX *cipher = EVP_CIPHER_CTX_new(); EVP_CIPHER_CTX *cipher = EVP_CIPHER_CTX_new();
const EVP_CIPHER *c; const EVP_CIPHER *c = NULL;
switch (key_bits) { switch (key_bits) {
case 128: c = EVP_aes_128_ctr(); break; case 128: c = EVP_aes_128_ctr(); break;
case 192: c = EVP_aes_192_ctr(); break; case 192: c = EVP_aes_192_ctr(); break;
case 256: c = EVP_aes_256_ctr(); break; case 256: c = EVP_aes_256_ctr(); break;
default: tor_assert(0); // LCOV_EXCL_LINE default: tor_assert_unreached(); // LCOV_EXCL_LINE
} }
EVP_EncryptInit(cipher, c, key, iv); EVP_EncryptInit(cipher, c, key, iv);
return (aes_cnt_cipher_t *) cipher; return (aes_cnt_cipher_t *) cipher;