Update HMAC functions to return an error where relevant.

[openssl.git] / crypto / hmac / hmac.h

diff --git a/crypto/hmac/hmac.h b/crypto/hmac/hmac.h
index 9773919586e8be37375bf0f1e9fcbb8061bda831..f4a823032490712c410ca816243bce2dc61d3916 100644 (file)
--- a/crypto/hmac/hmac.h
+++ b/crypto/hmac/hmac.h
@@ -90,16 +90,16 @@ void HMAC_CTX_cleanup(HMAC_CTX *ctx);
 
 #define HMAC_cleanup(ctx) HMAC_CTX_cleanup(ctx) /* deprecated */
 
-void HMAC_Init(HMAC_CTX *ctx, const void *key, size_t len,
+int HMAC_Init(HMAC_CTX *ctx, const void *key, size_t len,
               const EVP_MD *md); /* deprecated */
-void HMAC_Init_ex(HMAC_CTX *ctx, const void *key, size_t len,
+int HMAC_Init_ex(HMAC_CTX *ctx, const void *key, size_t len,
                  const EVP_MD *md, ENGINE *impl);
-void HMAC_Update(HMAC_CTX *ctx, const unsigned char *data, size_t len);
-void HMAC_Final(HMAC_CTX *ctx, unsigned char *md, unsigned int *len);
+int HMAC_Update(HMAC_CTX *ctx, const unsigned char *data, size_t len);
+int HMAC_Final(HMAC_CTX *ctx, unsigned char *md, unsigned int *len);
 unsigned char *HMAC(const EVP_MD *evp_md, const void *key, size_t key_len,
                    const unsigned char *d, size_t n, unsigned char *md,
                    unsigned int *md_len);
-void HMAC_CTX_copy(HMAC_CTX *dctx, HMAC_CTX *sctx);
+int HMAC_CTX_copy(HMAC_CTX *dctx, HMAC_CTX *sctx);
 
 
 #ifdef  __cplusplus