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Return back SQLCipher compatibility with old OpenSSL versions.

This commit is contained in:
levlam 2020-11-21 18:27:18 +03:00
parent 5cbf90e4a0
commit ff23f155a0
1 changed files with 22 additions and 6 deletions
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28
sqlite/sqlite/sqlite3.c vendored
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@ -24745,6 +24745,22 @@ int sqlcipher_nss_setup(sqlcipher_provider *p) {
#include <openssl/hmac.h>
#include <openssl/err.h>
#if defined(OPENSSL_VERSION_NUMBER) && OPENSSL_VERSION_NUMBER < 0x10000000L
// the function was missed in the header before 777c47acbeecf9602cc465864c9f5f2c609c989d
int PKCS5_PBKDF2_HMAC(const char *pass, int passlen,
const unsigned char *salt, int saltlen, int iter,
const EVP_MD *digest, int keylen, unsigned char *out);
// HMAC_* functions returned void before 87d52468aa600e02326e13f01331e1f3b8602ed0
#define HMAC_Init_ex_(...) (HMAC_Init_ex(__VA_ARGS__), 1)
#define HMAC_Update_(...) (HMAC_Update(__VA_ARGS__), 1)
#define HMAC_Final_(...) (HMAC_Final(__VA_ARGS__), 1)
#else
#define HMAC_Init_ex_(...) HMAC_Init_ex(__VA_ARGS__)
#define HMAC_Update_(...) HMAC_Update(__VA_ARGS__)
#define HMAC_Final_(...) HMAC_Final(__VA_ARGS__)
#endif
typedef struct {
EVP_CIPHER *evp_cipher;
} openssl_ctx;
@ -24918,23 +24934,23 @@ static int sqlcipher_openssl_hmac(void *ctx, int algorithm, unsigned char *hmac_
switch(algorithm) {
case SQLCIPHER_HMAC_SHA1:
if(!HMAC_Init_ex(hctx, hmac_key, key_sz, EVP_sha1(), NULL)) goto error;
if(!HMAC_Init_ex_(hctx, hmac_key, key_sz, EVP_sha1(), NULL)) goto error;
break;
case SQLCIPHER_HMAC_SHA256:
if(!HMAC_Init_ex(hctx, hmac_key, key_sz, EVP_sha256(), NULL)) goto error;
if(!HMAC_Init_ex_(hctx, hmac_key, key_sz, EVP_sha256(), NULL)) goto error;
break;
case SQLCIPHER_HMAC_SHA512:
if(!HMAC_Init_ex(hctx, hmac_key, key_sz, EVP_sha512(), NULL)) goto error;
if(!HMAC_Init_ex_(hctx, hmac_key, key_sz, EVP_sha512(), NULL)) goto error;
break;
default:
goto error;
}
if(!HMAC_Update(hctx, in, in_sz)) goto error;
if(!HMAC_Update_(hctx, in, in_sz)) goto error;
if(in2 != NULL) {
if(!HMAC_Update(hctx, in2, in2_sz)) goto error;
if(!HMAC_Update_(hctx, in2, in2_sz)) goto error;
}
if(!HMAC_Final(hctx, out, &outlen)) goto error;
if(!HMAC_Final_(hctx, out, &outlen)) goto error;
goto cleanup;
error: