pub fn small_sigma0(value: b64) -> b64Expand description
SHA-512 message-schedule function σ0(x) = ROTR^1 ^ ROTR^8 ^ SHR^7.
Applied to W[t-15] when the schedule extends to word W[t].
pub fn small_sigma0(value: b64) -> b64SHA-512 message-schedule function σ0(x) = ROTR^1 ^ ROTR^8 ^ SHR^7.
Applied to W[t-15] when the schedule extends to word W[t].