def __init__(self, space, name, copy_from=NULL_CTX): self.name = name digest_type = self.digest_type_by_name(space) self.digest_size = ropenssl.EVP_MD_size(digest_type) # Allocate a lock for each HASH object. # An optimization would be to not release the GIL on small requests, # and use a custom lock only when needed. self.lock = Lock(space) ctx = ropenssl.EVP_MD_CTX_new() if ctx is None: raise MemoryError rgc.add_memory_pressure(ropenssl.HASH_MALLOC_SIZE + self.digest_size, self) try: if copy_from: if not ropenssl.EVP_MD_CTX_copy(ctx, copy_from): raise ValueError else: ropenssl.EVP_DigestInit(ctx, digest_type) self.ctx = ctx except: ropenssl.EVP_MD_CTX_free(ctx) raise self.register_finalizer(space)
def __init__(self, space, name, copy_from=NULL_CTX): self.name = name digest_type = self.digest_type_by_name(space) self.digest_size = rffi.getintfield(digest_type, 'c_md_size') # Allocate a lock for each HASH object. # An optimization would be to not release the GIL on small requests, # and use a custom lock only when needed. self.lock = Lock(space) ctx = lltype.malloc(ropenssl.EVP_MD_CTX.TO, flavor='raw') rgc.add_memory_pressure(ropenssl.HASH_MALLOC_SIZE + self.digest_size) try: if copy_from: ropenssl.EVP_MD_CTX_copy(ctx, copy_from) else: ropenssl.EVP_DigestInit(ctx, digest_type) self.ctx = ctx except: lltype.free(ctx, flavor='raw') raise