diff options
Diffstat (limited to 'src/crypto/digest/internal.h')
| -rw-r--r-- | src/crypto/digest/internal.h | 20 |
1 files changed, 15 insertions, 5 deletions
diff --git a/src/crypto/digest/internal.h b/src/crypto/digest/internal.h index 94dbfaa..1572fa8 100644 --- a/src/crypto/digest/internal.h +++ b/src/crypto/digest/internal.h @@ -75,15 +75,14 @@ struct env_md_st { /* flags contains the OR of |EVP_MD_FLAG_*| values. */ uint32_t flags; - /* init initialises the state in |ctx->md_data|. It returns one on success - * and zero otherwise. */ - int (*init)(EVP_MD_CTX *ctx); + /* init initialises the state in |ctx->md_data|. */ + void (*init)(EVP_MD_CTX *ctx); /* update hashes |len| bytes of |data| into the state in |ctx->md_data|. */ - int (*update)(EVP_MD_CTX *ctx, const void *data, size_t count); + void (*update)(EVP_MD_CTX *ctx, const void *data, size_t count); /* final completes the hash and writes |md_size| bytes of digest to |out|. */ - int (*final)(EVP_MD_CTX *ctx, uint8_t *out); + void (*final)(EVP_MD_CTX *ctx, uint8_t *out); /* block_size contains the hash's native block size. */ unsigned block_size; @@ -109,6 +108,17 @@ struct evp_md_pctx_ops { int (*begin_digest) (EVP_MD_CTX *ctx); }; +/* EVP_MD_CTX_set_flags ORs |flags| into the flags member of |ctx|. */ +OPENSSL_EXPORT void EVP_MD_CTX_set_flags(EVP_MD_CTX *ctx, uint32_t flags); + +/* EVP_MD_CTX_FLAG_NO_INIT causes the |EVP_MD|'s |init| function not to be + * called, the |update| member not to be copied from the |EVP_MD| in + * |EVP_DigestInit_ex| and for |md_data| not to be initialised. + * + * TODO(davidben): This is an implementation detail of |EVP_PKEY_HMAC| and can + * be removed when it is gone. */ +#define EVP_MD_CTX_FLAG_NO_INIT 1 + #if defined(__cplusplus) } /* extern C */ |