# [Ride v5] Hashing functions

⚠️ This is the documentation for the Standard Library version 5, which becomes available after activation of feature #16 “Ride V5, dApp-to-dApp invocations”. Go to version 4

Name	Description	Complexity
blake2b256	Range of functions. Hash an array of bytes using BLAKE2b-256 (opens new window)	10–200
keccak256	Range of functions. Hash an array of bytes using Keccak-256 (opens new window)	10–200
sha256	Range of functions. Hash an array of bytes using SHA-256 (opens new window)	10–200

# blake2b256

Range of functions that hash an array of bytes using BLAKE2b-256 (opens new window).

Name	Max data size	Complexity
blake2b256(bytes: ByteVector): ByteVector	150 kB	200
blake2b256_16Kb(bytes: ByteVector): ByteVector	16 kB	10
blake2b256_32Kb(bytes: ByteVector): ByteVector	32 kB	25
blake2b256_64Kb(bytes: ByteVector): ByteVector	64 kB	50
blake2b256_128Kb(bytes: ByteVector): ByteVector	128 kB	100

# Parameters

Parameter	Description
`bytes`: ByteVector	The array of bytes to encode. Maximum size: • For `blake2b256_<N>Kb` functions — `N` kB. • For `blake2b256` function — 150 kB.

# Examples

blake2b256("Ride".toBytes())        # Returns 6NSWRz5XthhFVm9uVQHuisdaseQJfc4WMGajN435v3f4
blake2b256(125.toBytes())            # Returns H9emWhyMuyyjDmNkgx7jAfHRuy9icXK3uYJuVw6R1uuK
blake2b256(base16'52696465')   # Returns 6NSWRz5XthhFVm9uVQHuisdaseQJfc4WMGajN435v3f4
blake2b256(base58'37BPKA')       # Returns 6NSWRz5XthhFVm9uVQHuisdaseQJfc4WMGajN435v3f4
blake2b256(base64'UmlkZQ==')  # Returns 6NSWRz5XthhFVm9uVQHuisdaseQJfc4WMGajN435v3f4

# keccak256

Range of functions that hash an array of bytes using Keccak-256 (opens new window).

Name	Max data size	Complexity
keccak256(bytes: ByteVector): ByteVector	150 kB	200
keccak256_16Kb(bytes: ByteVector): ByteVector	16 kB	10
keccak256_32Kb(bytes: ByteVector): ByteVector	32 kB	25
keccak256_64Kb(bytes: ByteVector): ByteVector	64 kB	50
keccak256_128Kb(bytes: ByteVector): ByteVector	128 kB	100

# Parameters

Parameter	Description
`bytes`: ByteVector	The array of bytes to encode. Maximum size: • For `keccak256_<N>Kb` functions — `N` kB. • For `keccak256` function — 150 kB.

# Examples

keccak256("Ride".toBytes())        # Returns 4qa5wNk4961VwJAjCKBzXiEvBQ2gBJoqDcLFRJTiSKpv
keccak256(125.toBytes())            # Returns 5UUkcH6Fp2E3mk7NSqSTs3JBP33zL3SB3yg4b2sR5gpF
keccak256(base16'52696465')   # Returns 4qa5wNk4961VwJAjCKBzXiEvBQ2gBJoqDcLFRJTiSKpv
keccak256(base58'37BPKA')       # Returns 4qa5wNk4961VwJAjCKBzXiEvBQ2gBJoqDcLFRJTiSKpv
keccak256(base64'UmlkZQ==')  # Returns 4qa5wNk4961VwJAjCKBzXiEvBQ2gBJoqDcLFRJTiSKpv

# sha256

Range of functions that hash an array of bytes using SHA-256 (opens new window)

Name	Max data size	Complexity
sha256(bytes: ByteVector): ByteVector	150 kB	200
sha256_16Kb(bytes: ByteVector): ByteVector	16 kB	10
sha256_32Kb(bytes: ByteVector): ByteVector	32 kB	25
sha256_64Kb(bytes: ByteVector): ByteVector	64 kB	50
sha256_128Kb(bytes: ByteVector): ByteVector	128 kB	100

# Parameters

Parameter	Description
`bytes`: ByteVector	The array of bytes to encode. Maximum size: • For `sha256_<N>Kb` functions — `N` kB. • For `sha256` function — 150 kB.

# Examples

sha256("Ride".toBytes())        # Returns 5YxvrKsjJtq4G325gRVxbXpkox1sWdHUGVJLnRFqTWD3
sha256(125.toBytes())            # Returns A56kbJjy7A4B9Pa5tUgRNvtCHSsZ7pZVJuPsLT2vtPSU
sha256(base16'52696465')   # Returns 5YxvrKsjJtq4G325gRVxbXpkox1sWdHUGVJLnRFqTWD3
sha256(base58'37BPKA')       # Returns 5YxvrKsjJtq4G325gRVxbXpkox1sWdHUGVJLnRFqTWD3
sha256(base64'UmlkZQ==')  # Returns 5YxvrKsjJtq4G325gRVxbXpkox1sWdHUGVJLnRFqTWD3