diff options
Diffstat (limited to 'src/common/crypto.c')
| -rw-r--r-- | src/common/crypto.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/src/common/crypto.c b/src/common/crypto.c index 51d4059f3e..dc645b5eda 100644 --- a/src/common/crypto.c +++ b/src/common/crypto.c @@ -62,6 +62,28 @@ #include <openssl/engine.h> +#if OPENSSL_VERSION_NUMBER < 0x00908000l +/* On OpenSSL versions before 0.9.8, there is no working SHA256 + * implementation, so we use Tom St Denis's nice speedy one, slightly adapted + * to our needs */ +#define SHA256_CTX sha256_state +#define SHA256_Init sha256_init +#define SHA256_Update sha256_process +#define LTC_ARGCHK(x) tor_assert(x) +#include "sha256.c" +#define SHA256_Final(a,b) sha256_done(b,a) + +static unsigned char * +SHA256(const unsigned char *m, size_t len, unsigned char *d) +{ + SHA256_CTX ctx; + SHA256_Init(&ctx); + SHA256_Update(&ctx, m, len); + SHA256_Final(d, &ctx); + return d; +} +#endif + /** Macro: is k a valid RSA public or private key? */ #define PUBLIC_KEY_OK(k) ((k) && (k)->key && (k)->key->n) /** Macro: is k a valid RSA private key? */ |