creates an Uint8Array of the requested size, with the contents zeroed
creates an Uint8Array of the requested size, where the contents may not be zeroed out. only use if you're certain that the contents will be overwritten
compares two Uint8Array buffers
concatenates multiple Uint8Array buffers into one
decodes a UTF-8 string from a buffer
encodes a UTF-8 string into the buffer
checks if the two Uint8Array buffers are equal
checks if the two Uint8Array buffers are equal, timing-safe version
get a SHA-256 digest of this buffer