[ms-xlsx]: Excel (. xlsx) Extensions to the Office Open xml spreadsheetml file Format

saltValue: A base64Binary ([XMLSCHEMA2] section 3.2.16) attribute that specifies the salt used to calculate hashValue. This attribute MUST be present if and only if algorithmName is present.

spinCount: An unsignedInt ([XMLSCHEMA2] section 3.3.22) attribute that specifies the number of times that the hash function was iterated over the password to generate the hashValue. It MUST NOT be greater than 10,000,000. This attribute MUST be present if and only if algorithmName is present.

name: An ST_Xstring ([ISO/IEC29500-1:2011] section 22.9.2.19) attribute that specifies the title of the cell range. The value MUST be unique for the sheet (1). The number of characters in the string MUST be greater than or equal to 1, and less than or equal to 255. The string MUST conform to the following Augmented Backus-Naur Form (ABNF) ([RFC5234]) grammar:

string = name-start-character *name-character

name-start-character = "_" / "\" / Unicode-character

name-character = name-start-character / Unicode-space / Unicode-digit / "?" / "."

The following points summarize this grammar:

 Unicode-character is any code point that is a character as defined by the Unicode character properties, [UNICODE5.1] chapter 4.

 Unicode-digit is any code point that is a digit as defined by the Unicode character properties, [UNICODE5.1] chapter 4.

 Unicode-space is any code point that is a space as defined by the Unicode character properties, [UNICODE5.1] chapter 4.