X-Git-Url: http://tinc-vpn.org/git/browse?p=tinc;a=blobdiff_plain;f=src%2Fopenssl%2Fcipher.c;h=ae9640f0d6b5ed6f59ebcac50aa6f7412bab8bd5;hp=04aee27e4c55fad2f9244fbac28b1a3a6e1d8f7f;hb=323c17e232539f3f06e7cebc664ab48f60127e0e;hpb=74eb4cc974f6d24370f439a1761dc4412d7fa58d diff --git a/src/openssl/cipher.c b/src/openssl/cipher.c index 04aee27e..ae9640f0 100644 --- a/src/openssl/cipher.c +++ b/src/openssl/cipher.c @@ -28,14 +28,16 @@ #include "../xalloc.h" struct cipher { - EVP_CIPHER_CTX ctx; + EVP_CIPHER_CTX *ctx; const EVP_CIPHER *cipher; }; static cipher_t *cipher_open(const EVP_CIPHER *evp_cipher) { cipher_t *cipher = xzalloc(sizeof *cipher); cipher->cipher = evp_cipher; - EVP_CIPHER_CTX_init(&cipher->ctx); + cipher->ctx = EVP_CIPHER_CTX_new(); + if(!cipher->ctx) + abort(); return cipher; } @@ -68,7 +70,7 @@ void cipher_close(cipher_t *cipher) { if(!cipher) return; - EVP_CIPHER_CTX_cleanup(&cipher->ctx); + EVP_CIPHER_CTX_free(cipher->ctx); free(cipher); } @@ -76,23 +78,23 @@ size_t cipher_keylength(const cipher_t *cipher) { if(!cipher || !cipher->cipher) return 0; - return cipher->cipher->key_len + cipher->cipher->iv_len; + return EVP_CIPHER_key_length(cipher->cipher) + EVP_CIPHER_iv_length(cipher->cipher); } size_t cipher_blocksize(const cipher_t *cipher) { if(!cipher || !cipher->cipher) return 1; - return cipher->cipher->block_size; + return EVP_CIPHER_block_size(cipher->cipher); } bool cipher_set_key(cipher_t *cipher, void *key, bool encrypt) { bool result; if(encrypt) - result = EVP_EncryptInit_ex(&cipher->ctx, cipher->cipher, NULL, (unsigned char *)key, (unsigned char *)key + cipher->cipher->key_len); + result = EVP_EncryptInit_ex(cipher->ctx, cipher->cipher, NULL, (unsigned char *)key, (unsigned char *)key + EVP_CIPHER_key_length(cipher->cipher)); else - result = EVP_DecryptInit_ex(&cipher->ctx, cipher->cipher, NULL, (unsigned char *)key, (unsigned char *)key + cipher->cipher->key_len); + result = EVP_DecryptInit_ex(cipher->ctx, cipher->cipher, NULL, (unsigned char *)key, (unsigned char *)key + EVP_CIPHER_key_length(cipher->cipher)); if(result) return true; @@ -105,9 +107,9 @@ bool cipher_set_key_from_rsa(cipher_t *cipher, void *key, size_t len, bool encry bool result; if(encrypt) - result = EVP_EncryptInit_ex(&cipher->ctx, cipher->cipher, NULL, (unsigned char *)key + len - cipher->cipher->key_len, (unsigned char *)key + len - cipher->cipher->iv_len - cipher->cipher->key_len); + result = EVP_EncryptInit_ex(cipher->ctx, cipher->cipher, NULL, (unsigned char *)key + len - EVP_CIPHER_key_length(cipher->cipher), (unsigned char *)key + len - EVP_CIPHER_iv_length(cipher->cipher) - EVP_CIPHER_key_length(cipher->cipher)); else - result = EVP_DecryptInit_ex(&cipher->ctx, cipher->cipher, NULL, (unsigned char *)key + len - cipher->cipher->key_len, (unsigned char *)key + len - cipher->cipher->iv_len - cipher->cipher->key_len); + result = EVP_DecryptInit_ex(cipher->ctx, cipher->cipher, NULL, (unsigned char *)key + len - EVP_CIPHER_key_length(cipher->cipher), (unsigned char *)key + len - EVP_CIPHER_iv_length(cipher->cipher) - EVP_CIPHER_key_length(cipher->cipher)); if(result) return true; @@ -119,15 +121,15 @@ bool cipher_set_key_from_rsa(cipher_t *cipher, void *key, size_t len, bool encry bool cipher_encrypt(cipher_t *cipher, const void *indata, size_t inlen, void *outdata, size_t *outlen, bool oneshot) { if(oneshot) { int len, pad; - if(EVP_EncryptInit_ex(&cipher->ctx, NULL, NULL, NULL, NULL) - && EVP_EncryptUpdate(&cipher->ctx, (unsigned char *)outdata, &len, indata, inlen) - && EVP_EncryptFinal(&cipher->ctx, (unsigned char *)outdata + len, &pad)) { + if(EVP_EncryptInit_ex(cipher->ctx, NULL, NULL, NULL, NULL) + && EVP_EncryptUpdate(cipher->ctx, (unsigned char *)outdata, &len, indata, inlen) + && EVP_EncryptFinal(cipher->ctx, (unsigned char *)outdata + len, &pad)) { if(outlen) *outlen = len + pad; return true; } } else { int len; - if(EVP_EncryptUpdate(&cipher->ctx, outdata, &len, indata, inlen)) { + if(EVP_EncryptUpdate(cipher->ctx, outdata, &len, indata, inlen)) { if(outlen) *outlen = len; return true; } @@ -140,15 +142,15 @@ bool cipher_encrypt(cipher_t *cipher, const void *indata, size_t inlen, void *ou bool cipher_decrypt(cipher_t *cipher, const void *indata, size_t inlen, void *outdata, size_t *outlen, bool oneshot) { if(oneshot) { int len, pad; - if(EVP_DecryptInit_ex(&cipher->ctx, NULL, NULL, NULL, NULL) - && EVP_DecryptUpdate(&cipher->ctx, (unsigned char *)outdata, &len, indata, inlen) - && EVP_DecryptFinal(&cipher->ctx, (unsigned char *)outdata + len, &pad)) { + if(EVP_DecryptInit_ex(cipher->ctx, NULL, NULL, NULL, NULL) + && EVP_DecryptUpdate(cipher->ctx, (unsigned char *)outdata, &len, indata, inlen) + && EVP_DecryptFinal(cipher->ctx, (unsigned char *)outdata + len, &pad)) { if(outlen) *outlen = len + pad; return true; } } else { int len; - if(EVP_EncryptUpdate(&cipher->ctx, outdata, &len, indata, inlen)) { + if(EVP_EncryptUpdate(cipher->ctx, outdata, &len, indata, inlen)) { if(outlen) *outlen = len; return true; } @@ -162,9 +164,9 @@ int cipher_get_nid(const cipher_t *cipher) { if(!cipher || !cipher->cipher) return 0; - return cipher->cipher->nid; + return EVP_CIPHER_nid(cipher->cipher); } bool cipher_active(const cipher_t *cipher) { - return cipher && cipher->cipher && cipher->cipher->nid != 0; + return cipher && cipher->cipher && EVP_CIPHER_nid(cipher->cipher) != 0; }