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Commit
1b35eb65
authored
Apr 30, 2020
by
Enrico Pozzobon
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Merge branch 'rhys'
parents
7265621e
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+2036
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gimli/Implementations/crypto_aead/gimli24v1/rhys-avr/aead-common.c
+69
-0
gimli/Implementations/crypto_aead/gimli24v1/rhys-avr/aead-common.h
+256
-0
gimli/Implementations/crypto_aead/gimli24v1/rhys-avr/api.h
+5
-0
gimli/Implementations/crypto_aead/gimli24v1/rhys-avr/encrypt.c
+26
-0
gimli/Implementations/crypto_aead/gimli24v1/rhys-avr/gimli24.c
+330
-0
gimli/Implementations/crypto_aead/gimli24v1/rhys-avr/gimli24.h
+220
-0
gimli/Implementations/crypto_aead/gimli24v1/rhys-avr/internal-gimli24-avr.S
+0
-0
gimli/Implementations/crypto_aead/gimli24v1/rhys-avr/internal-gimli24.h
+52
-0
gimli/Implementations/crypto_aead/gimli24v1/rhys-avr/internal-util.h
+0
-0
gimli/Implementations/crypto_hash/gimli24v1/rhys-avr/aead-common.c
+69
-0
gimli/Implementations/crypto_hash/gimli24v1/rhys-avr/aead-common.h
+256
-0
gimli/Implementations/crypto_hash/gimli24v1/rhys-avr/api.h
+1
-0
gimli/Implementations/crypto_hash/gimli24v1/rhys-avr/gimli24.c
+330
-0
gimli/Implementations/crypto_hash/gimli24v1/rhys-avr/gimli24.h
+220
-0
gimli/Implementations/crypto_hash/gimli24v1/rhys-avr/hash.c
+8
-0
gimli/Implementations/crypto_hash/gimli24v1/rhys-avr/internal-gimli24-avr.S
+0
-0
gimli/Implementations/crypto_hash/gimli24v1/rhys-avr/internal-gimli24.c
+142
-0
gimli/Implementations/crypto_hash/gimli24v1/rhys-avr/internal-gimli24.h
+52
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gimli/Implementations/crypto_hash/gimli24v1/rhys-avr/internal-util.h
+0
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gimli/Implementations/crypto_aead/gimli24v1/rhys-avr/aead-common.c
0 → 100644
View file @
1b35eb65
/*
* Copyright (C) 2020 Southern Storm Software, Pty Ltd.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*/
#include "aead-common.h"
int
aead_check_tag
(
unsigned
char
*
plaintext
,
unsigned
long
long
plaintext_len
,
const
unsigned
char
*
tag1
,
const
unsigned
char
*
tag2
,
unsigned
size
)
{
/* Set "accum" to -1 if the tags match, or 0 if they don't match */
int
accum
=
0
;
while
(
size
>
0
)
{
accum
|=
(
*
tag1
++
^
*
tag2
++
);
--
size
;
}
accum
=
(
accum
-
1
)
>>
8
;
/* Destroy the plaintext if the tag match failed */
while
(
plaintext_len
>
0
)
{
*
plaintext
++
&=
accum
;
--
plaintext_len
;
}
/* If "accum" is 0, return -1, otherwise return 0 */
return
~
accum
;
}
int
aead_check_tag_precheck
(
unsigned
char
*
plaintext
,
unsigned
long
long
plaintext_len
,
const
unsigned
char
*
tag1
,
const
unsigned
char
*
tag2
,
unsigned
size
,
int
precheck
)
{
/* Set "accum" to -1 if the tags match, or 0 if they don't match */
int
accum
=
0
;
while
(
size
>
0
)
{
accum
|=
(
*
tag1
++
^
*
tag2
++
);
--
size
;
}
accum
=
((
accum
-
1
)
>>
8
)
&
precheck
;
/* Destroy the plaintext if the tag match failed */
while
(
plaintext_len
>
0
)
{
*
plaintext
++
&=
accum
;
--
plaintext_len
;
}
/* If "accum" is 0, return -1, otherwise return 0 */
return
~
accum
;
}
gimli/Implementations/crypto_aead/gimli24v1/rhys-avr/aead-common.h
0 → 100644
View file @
1b35eb65
/*
* Copyright (C) 2020 Southern Storm Software, Pty Ltd.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*/
#ifndef LWCRYPTO_AEAD_COMMON_H
#define LWCRYPTO_AEAD_COMMON_H
#include <stddef.h>
/**
* \file aead-common.h
* \brief Definitions that are common across AEAD schemes.
*
* AEAD stands for "Authenticated Encryption with Associated Data".
* It is a standard API pattern for securely encrypting and
* authenticating packets of data.
*/
#ifdef __cplusplus
extern
"C"
{
#endif
/**
* \brief Encrypts and authenticates a packet with an AEAD scheme.
*
* \param c Buffer to receive the output.
* \param clen On exit, set to the length of the output which includes
* the ciphertext and the authentication tag.
* \param m Buffer that contains the plaintext message to encrypt.
* \param mlen Length of the plaintext message in bytes.
* \param ad Buffer that contains associated data to authenticate
* along with the packet but which does not need to be encrypted.
* \param adlen Length of the associated data in bytes.
* \param nsec Secret nonce - normally not used by AEAD schemes.
* \param npub Points to the public nonce for the packet.
* \param k Points to the key to use to encrypt the packet.
*
* \return 0 on success, or a negative value if there was an error in
* the parameters.
*/
typedef
int
(
*
aead_cipher_encrypt_t
)
(
unsigned
char
*
c
,
unsigned
long
long
*
clen
,
const
unsigned
char
*
m
,
unsigned
long
long
mlen
,
const
unsigned
char
*
ad
,
unsigned
long
long
adlen
,
const
unsigned
char
*
nsec
,
const
unsigned
char
*
npub
,
const
unsigned
char
*
k
);
/**
* \brief Decrypts and authenticates a packet with an AEAD scheme.
*
* \param m Buffer to receive the plaintext message on output.
* \param mlen Receives the length of the plaintext message on output.
* \param nsec Secret nonce - normally not used by AEAD schemes.
* \param c Buffer that contains the ciphertext and authentication
* tag to decrypt.
* \param clen Length of the input data in bytes, which includes the
* ciphertext and the authentication tag.
* \param ad Buffer that contains associated data to authenticate
* along with the packet but which does not need to be encrypted.
* \param adlen Length of the associated data in bytes.
* \param npub Points to the public nonce for the packet.
* \param k Points to the key to use to decrypt the packet.
*
* \return 0 on success, -1 if the authentication tag was incorrect,
* or some other negative number if there was an error in the parameters.
*/
typedef
int
(
*
aead_cipher_decrypt_t
)
(
unsigned
char
*
m
,
unsigned
long
long
*
mlen
,
unsigned
char
*
nsec
,
const
unsigned
char
*
c
,
unsigned
long
long
clen
,
const
unsigned
char
*
ad
,
unsigned
long
long
adlen
,
const
unsigned
char
*
npub
,
const
unsigned
char
*
k
);
/**
* \brief Hashes a block of input data.
*
* \param out Buffer to receive the hash output.
* \param in Points to the input data to be hashed.
* \param inlen Length of the input data in bytes.
*
* \return Returns zero on success or -1 if there was an error in the
* parameters.
*/
typedef
int
(
*
aead_hash_t
)
(
unsigned
char
*
out
,
const
unsigned
char
*
in
,
unsigned
long
long
inlen
);
/**
* \brief Initializes the state for a hashing operation.
*
* \param state Hash state to be initialized.
*/
typedef
void
(
*
aead_hash_init_t
)(
void
*
state
);
/**
* \brief Updates a hash state with more input data.
*
* \param state Hash state to be updated.
* \param in Points to the input data to be incorporated into the state.
* \param inlen Length of the input data to be incorporated into the state.
*/
typedef
void
(
*
aead_hash_update_t
)
(
void
*
state
,
const
unsigned
char
*
in
,
unsigned
long
long
inlen
);
/**
* \brief Returns the final hash value from a hashing operation.
*
* \param Hash state to be finalized.
* \param out Points to the output buffer to receive the hash value.
*/
typedef
void
(
*
aead_hash_finalize_t
)(
void
*
state
,
unsigned
char
*
out
);
/**
* \brief Aborbs more input data into an XOF state.
*
* \param state XOF state to be updated.
* \param in Points to the input data to be absorbed into the state.
* \param inlen Length of the input data to be absorbed into the state.
*
* \sa ascon_xof_init(), ascon_xof_squeeze()
*/
typedef
void
(
*
aead_xof_absorb_t
)
(
void
*
state
,
const
unsigned
char
*
in
,
unsigned
long
long
inlen
);
/**
* \brief Squeezes output data from an XOF state.
*
* \param state XOF state to squeeze the output data from.
* \param out Points to the output buffer to receive the squeezed data.
* \param outlen Number of bytes of data to squeeze out of the state.
*/
typedef
void
(
*
aead_xof_squeeze_t
)
(
void
*
state
,
unsigned
char
*
out
,
unsigned
long
long
outlen
);
/**
* \brief No special AEAD features.
*/
#define AEAD_FLAG_NONE 0x0000
/**
* \brief The natural byte order of the AEAD cipher is little-endian.
*
* If this flag is not present, then the natural byte order of the
* AEAD cipher should be assumed to be big-endian.
*
* The natural byte order may be useful when formatting packet sequence
* numbers as nonces. The application needs to know whether the sequence
* number should be packed into the leading or trailing bytes of the nonce.
*/
#define AEAD_FLAG_LITTLE_ENDIAN 0x0001
/**
* \brief Meta-information about an AEAD cipher.
*/
typedef
struct
{
const
char
*
name
;
/**< Name of the cipher */
unsigned
key_len
;
/**< Length of the key in bytes */
unsigned
nonce_len
;
/**< Length of the nonce in bytes */
unsigned
tag_len
;
/**< Length of the tag in bytes */
unsigned
flags
;
/**< Flags for extra features */
aead_cipher_encrypt_t
encrypt
;
/**< AEAD encryption function */
aead_cipher_decrypt_t
decrypt
;
/**< AEAD decryption function */
}
aead_cipher_t
;
/**
* \brief Meta-information about a hash algorithm that is related to an AEAD.
*
* Regular hash algorithms should provide the "hash", "init", "update",
* and "finalize" functions. Extensible Output Functions (XOF's) should
* proivde the "hash", "init", "absorb", and "squeeze" functions.
*/
typedef
struct
{
const
char
*
name
;
/**< Name of the hash algorithm */
size_t
state_size
;
/**< Size of the incremental state structure */
unsigned
hash_len
;
/**< Length of the hash in bytes */
unsigned
flags
;
/**< Flags for extra features */
aead_hash_t
hash
;
/**< All in one hashing function */
aead_hash_init_t
init
;
/**< Incremental hash/XOF init function */
aead_hash_update_t
update
;
/**< Incremental hash update function */
aead_hash_finalize_t
finalize
;
/**< Incremental hash finalize function */
aead_xof_absorb_t
absorb
;
/**< Incremental XOF absorb function */
aead_xof_squeeze_t
squeeze
;
/**< Incremental XOF squeeze function */
}
aead_hash_algorithm_t
;
/**
* \brief Check an authentication tag in constant time.
*
* \param plaintext Points to the plaintext data.
* \param plaintext_len Length of the plaintext in bytes.
* \param tag1 First tag to compare.
* \param tag2 Second tag to compare.
* \param tag_len Length of the tags in bytes.
*
* \return Returns -1 if the tag check failed or 0 if the check succeeded.
*
* If the tag check fails, then the \a plaintext will also be zeroed to
* prevent it from being used accidentally by the application when the
* ciphertext was invalid.
*/
int
aead_check_tag
(
unsigned
char
*
plaintext
,
unsigned
long
long
plaintext_len
,
const
unsigned
char
*
tag1
,
const
unsigned
char
*
tag2
,
unsigned
tag_len
);
/**
* \brief Check an authentication tag in constant time with a previous check.
*
* \param plaintext Points to the plaintext data.
* \param plaintext_len Length of the plaintext in bytes.
* \param tag1 First tag to compare.
* \param tag2 Second tag to compare.
* \param tag_len Length of the tags in bytes.
* \param precheck Set to -1 if previous check succeeded or 0 if it failed.
*
* \return Returns -1 if the tag check failed or 0 if the check succeeded.
*
* If the tag check fails, then the \a plaintext will also be zeroed to
* prevent it from being used accidentally by the application when the
* ciphertext was invalid.
*
* This version can be used to incorporate other information about the
* correctness of the plaintext into the final result.
*/
int
aead_check_tag_precheck
(
unsigned
char
*
plaintext
,
unsigned
long
long
plaintext_len
,
const
unsigned
char
*
tag1
,
const
unsigned
char
*
tag2
,
unsigned
tag_len
,
int
precheck
);
#ifdef __cplusplus
}
#endif
#endif
gimli/Implementations/crypto_aead/gimli24v1/rhys-avr/api.h
0 → 100644
View file @
1b35eb65
#define CRYPTO_KEYBYTES 32
#define CRYPTO_NSECBYTES 0
#define CRYPTO_NPUBBYTES 16
#define CRYPTO_ABYTES 16
#define CRYPTO_NOOVERLAP 1
gimli/Implementations/crypto_aead/gimli24v1/rhys-avr/encrypt.c
0 → 100644
View file @
1b35eb65
#include "gimli24.h"
int
crypto_aead_encrypt
(
unsigned
char
*
c
,
unsigned
long
long
*
clen
,
const
unsigned
char
*
m
,
unsigned
long
long
mlen
,
const
unsigned
char
*
ad
,
unsigned
long
long
adlen
,
const
unsigned
char
*
nsec
,
const
unsigned
char
*
npub
,
const
unsigned
char
*
k
)
{
return
gimli24_aead_encrypt
(
c
,
clen
,
m
,
mlen
,
ad
,
adlen
,
nsec
,
npub
,
k
);
}
int
crypto_aead_decrypt
(
unsigned
char
*
m
,
unsigned
long
long
*
mlen
,
unsigned
char
*
nsec
,
const
unsigned
char
*
c
,
unsigned
long
long
clen
,
const
unsigned
char
*
ad
,
unsigned
long
long
adlen
,
const
unsigned
char
*
npub
,
const
unsigned
char
*
k
)
{
return
gimli24_aead_decrypt
(
m
,
mlen
,
nsec
,
c
,
clen
,
ad
,
adlen
,
npub
,
k
);
}
gimli/Implementations/crypto_aead/gimli24v1/rhys-avr/gimli24.c
0 → 100644
View file @
1b35eb65
This diff is collapsed.
Click to expand it.
gimli/Implementations/crypto_aead/gimli24v1/rhys-avr/gimli24.h
0 → 100644
View file @
1b35eb65
/*
* Copyright (C) 2020 Southern Storm Software, Pty Ltd.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*/
#ifndef LWCRYPTO_GIMLI24_H
#define LWCRYPTO_GIMLI24_H
#include "aead-common.h"
/**
* \file gimli24.h
* \brief Gimli authenticated encryption algorithm.
*
* GIMLI-24-CIPHER has a 256-bit key, a 128-bit nonce, and a 128-bit tag.
* It is the spiritual successor to the widely used ChaCha20 and has a
* similar design.
*
* This library also includes an implementation of the hash algorithm
* GIMLI-24-HASH in both regular hashing and XOF modes.
*
* References: https://gimli.cr.yp.to/
*/
#ifdef __cplusplus
extern
"C"
{
#endif
/**
* \brief Size of the key for GIMLI-24.
*/
#define GIMLI24_KEY_SIZE 32
/**
* \brief Size of the nonce for GIMLI-24.
*/
#define GIMLI24_NONCE_SIZE 16
/**
* \brief Size of the authentication tag for GIMLI-24.
*/
#define GIMLI24_TAG_SIZE 16
/**
* \brief Size of the hash output for GIMLI-24.
*/
#define GIMLI24_HASH_SIZE 32
/**
* \brief State information for GIMLI-24-HASH incremental modes.
*/
typedef
union
{
struct
{
unsigned
char
state
[
48
];
/**< Current hash state */
unsigned
char
count
;
/**< Number of bytes in the current block */
unsigned
char
mode
;
/**< Hash mode: 0 for absorb, 1 for squeeze */
}
s
;
/**< State */
unsigned
long
long
align
;
/**< For alignment of this structure */
}
gimli24_hash_state_t
;
/**
* \brief Meta-information block for the GIMLI-24 cipher.
*/
extern
aead_cipher_t
const
gimli24_cipher
;
/**
* \brief Meta-information block for the GIMLI-24-HASH algorithm.
*
* This meta-information block can also be used in XOF mode.
*/
extern
aead_hash_algorithm_t
const
gimli24_hash_algorithm
;
/**
* \brief Encrypts and authenticates a packet with GIMLI-24 using the
* full AEAD mode.
*
* \param c Buffer to receive the output.
* \param clen On exit, set to the length of the output which includes
* the ciphertext and the 16 byte authentication tag.
* \param m Buffer that contains the plaintext message to encrypt.
* \param mlen Length of the plaintext message in bytes.
* \param ad Buffer that contains associated data to authenticate
* along with the packet but which does not need to be encrypted.
* \param adlen Length of the associated data in bytes.
* \param nsec Secret nonce - not used by this algorithm.
* \param npub Points to the public nonce for the packet which must
* be 16 bytes in length.
* \param k Points to the 32 bytes of the key to use to encrypt the packet.
*
* \return 0 on success, or a negative value if there was an error in
* the parameters.
*
* \sa gimli24_aead_decrypt()
*/
int
gimli24_aead_encrypt
(
unsigned
char
*
c
,
unsigned
long
long
*
clen
,
const
unsigned
char
*
m
,
unsigned
long
long
mlen
,
const
unsigned
char
*
ad
,
unsigned
long
long
adlen
,
const
unsigned
char
*
nsec
,
const
unsigned
char
*
npub
,
const
unsigned
char
*
k
);
/**
* \brief Decrypts and authenticates a packet with GIMLI-24 using the
* full AEAD mode.
*
* \param m Buffer to receive the plaintext message on output.
* \param mlen Receives the length of the plaintext message on output.
* \param nsec Secret nonce - not used by this algorithm.
* \param c Buffer that contains the ciphertext and authentication
* tag to decrypt.
* \param clen Length of the input data in bytes, which includes the
* ciphertext and the 16 byte authentication tag.
* \param ad Buffer that contains associated data to authenticate
* along with the packet but which does not need to be encrypted.
* \param adlen Length of the associated data in bytes.
* \param npub Points to the public nonce for the packet which must
* be 16 bytes in length.
* \param k Points to the 32 bytes of the key to use to decrypt the packet.
*
* \return 0 on success, -1 if the authentication tag was incorrect,
* or some other negative number if there was an error in the parameters.
*
* \sa gimli24_aead_encrypt()
*/
int
gimli24_aead_decrypt
(
unsigned
char
*
m
,
unsigned
long
long
*
mlen
,
unsigned
char
*
nsec
,
const
unsigned
char
*
c
,
unsigned
long
long
clen
,
const
unsigned
char
*
ad
,
unsigned
long
long
adlen
,
const
unsigned
char
*
npub
,
const
unsigned
char
*
k
);
/**
* \brief Hashes a block of input data with GIMLI-24 to generate a hash value.
*
* \param out Buffer to receive the hash output which must be at least
* GIMLI24_HASH_SIZE bytes in length.
* \param in Points to the input data to be hashed.
* \param inlen Length of the input data in bytes.
*
* \return Returns zero on success or -1 if there was an error in the
* parameters.
*/
int
gimli24_hash
(
unsigned
char
*
out
,
const
unsigned
char
*
in
,
unsigned
long
long
inlen
);
/**
* \brief Initializes the state for a GIMLI-24-HASH hashing operation.
*
* \param state Hash state to be initialized.
*
* \sa gimli24_hash_absorb(), gimli24_hash_squeeze(), gimli24_hash()
*/
void
gimli24_hash_init
(
gimli24_hash_state_t
*
state
);
/**
* \brief Aborbs more input data into a GIMLI-24-HASH state.
*
* \param state Hash state to be updated.
* \param in Points to the input data to be absorbed into the state.
* \param inlen Length of the input data to be absorbed into the state.
*
* \sa gimli24_hash_init(), gimli24_hash_squeeze()
*/
void
gimli24_hash_absorb
(
gimli24_hash_state_t
*
state
,
const
unsigned
char
*
in
,
unsigned
long
long
inlen
);
/**
* \brief Squeezes output data from an GIMLI-24-HASH state.
*
* \param state Hash state to squeeze the output data from.
* \param out Points to the output buffer to receive the squeezed data.
* \param outlen Number of bytes of data to squeeze out of the state.
*
* \sa gimli24_hash_init(), gimli24_hash_absorb()
*/
void
gimli24_hash_squeeze
(
gimli24_hash_state_t
*
state
,
unsigned
char
*
out
,
unsigned
long
long
outlen
);
/**
* \brief Returns the final hash value from a GIMLI-24-HASH hashing operation.
*
* \param state Hash state to be finalized.
* \param out Points to the output buffer to receive the hash value.
*
* \note This is a wrapper around gimli24_hash_squeeze() for a fixed length
* of GIMLI24_HASH_SIZE bytes.
*
* \sa gimli24_hash_init(), gimli24_hash_absorb()
*/
void
gimli24_hash_finalize
(
gimli24_hash_state_t
*
state
,
unsigned
char
*
out
);
#ifdef __cplusplus
}
#endif
#endif
gimli/Implementations/crypto_aead/gimli24v1/rhys-avr/internal-gimli24-avr.S
0 → 100644
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gimli/Implementations/crypto_aead/gimli24v1/rhys-avr/internal-gimli24.h
0 → 100644
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1b35eb65
/*
* Copyright (C) 2020 Southern Storm Software, Pty Ltd.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*/
#ifndef LW_INTERNAL_GIMLI24_H
#define LW_INTERNAL_GIMLI24_H
#include "internal-util.h"
/**
* \file internal-gimli24.h
* \brief Internal implementation of the GIMLI-24 permutation.
*
* References: https://gimli.cr.yp.to/
*/
#ifdef __cplusplus
extern
"C"
{
#endif
/**
* \brief Permutes the GIMLI-24 state.
*
* \param state The GIMLI-24 state to be permuted.
*
* The input and output \a state will be in little-endian byte order.
*/
void
gimli24_permute
(
uint32_t
state
[
12
]);
#ifdef __cplusplus
}
#endif
#endif
gimli/Implementations/crypto_aead/gimli24v1/rhys-avr/internal-util.h
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gimli/Implementations/crypto_hash/gimli24v1/rhys-avr/aead-common.c
0 → 100644
View file @
1b35eb65
/*
* Copyright (C) 2020 Southern Storm Software, Pty Ltd.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*/
#include "aead-common.h"
int
aead_check_tag
(
unsigned
char
*
plaintext
,
unsigned
long
long
plaintext_len
,
const
unsigned
char
*
tag1
,
const
unsigned
char
*
tag2
,
unsigned
size
)
{
/* Set "accum" to -1 if the tags match, or 0 if they don't match */
int
accum
=
0
;
while
(
size
>
0
)
{
accum
|=
(
*
tag1
++
^
*
tag2
++
);
--
size
;
}
accum
=
(
accum
-
1
)
>>
8
;
/* Destroy the plaintext if the tag match failed */
while
(
plaintext_len
>
0
)
{
*
plaintext
++
&=
accum
;
--
plaintext_len
;
}
/* If "accum" is 0, return -1, otherwise return 0 */
return
~
accum
;
}
int
aead_check_tag_precheck
(
unsigned
char
*
plaintext
,
unsigned
long
long
plaintext_len
,
const
unsigned
char
*
tag1
,
const
unsigned
char
*
tag2
,
unsigned
size
,
int
precheck
)
{
/* Set "accum" to -1 if the tags match, or 0 if they don't match */
int
accum
=
0
;
while
(
size
>
0
)
{
accum
|=
(
*
tag1
++
^
*
tag2
++
);
--
size
;
}
accum
=
((
accum
-
1
)
>>
8
)
&
precheck
;
/* Destroy the plaintext if the tag match failed */
while
(
plaintext_len
>
0
)
{
*
plaintext
++
&=
accum
;
--
plaintext_len
;
}
/* If "accum" is 0, return -1, otherwise return 0 */
return
~
accum
;
}
gimli/Implementations/crypto_hash/gimli24v1/rhys-avr/aead-common.h
0 → 100644
View file @
1b35eb65
/*
* Copyright (C) 2020 Southern Storm Software, Pty Ltd.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*/