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sqlite: better compatibility fix for PKCS5_PBKDF2_HMAC for old OpenSSL.

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This commit is contained in:
levlam 2020-11-21 19:19:11 +03:00
parent ff23f155a0
commit a5514d3570
1 changed files with 6 additions and 5 deletions
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11
sqlite/sqlite/sqlite3.c vendored
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@ -24746,11 +24746,6 @@ int sqlcipher_nss_setup(sqlcipher_provider *p) {
#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)
@ -24963,6 +24958,11 @@ cleanup:
static int sqlcipher_openssl_kdf(void *ctx, int algorithm, const unsigned char *pass, int pass_sz, unsigned char* salt, int salt_sz, int workfactor, int key_sz, unsigned char *key) {
int rc = SQLITE_OK;
#if defined(OPENSSL_VERSION_NUMBER) && OPENSSL_VERSION_NUMBER < 0x10000000L
// PKCS5_PBKDF2_HMAC was added in 856640b54f3d22a34d6565e9c78c441a15222577 and added to the header only in 777c47acbeecf9602cc465864c9f5f2c609c989d,
// so use PKCS5_PBKDF2_HMAC_SHA1 unconditionally if OpenSSL < 1.0.0
if(!PKCS5_PBKDF2_HMAC_SHA1((const char *)pass, pass_sz, salt, salt_sz, workfactor, key_sz, key)) goto error;
#else
switch(algorithm) {
case SQLCIPHER_HMAC_SHA1:
if(!PKCS5_PBKDF2_HMAC((const char *)pass, pass_sz, salt, salt_sz, workfactor, EVP_sha1(), key_sz, key)) goto error;
@ -24976,6 +24976,7 @@ static int sqlcipher_openssl_kdf(void *ctx, int algorithm, const unsigned char *
default:
return SQLITE_ERROR;
}
#endif
goto cleanup;
error: