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Na stateful sigs lms var (#1574)
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* Added new LMS varients. Removed unneeded vector functions from secret key data struc.

* Add LMS variants

* Fix formatting
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@ashman-p @SWilson4
ashman-p authored and SWilson4 committed Dec 15, 2023
1 parent 753c650 commit ab02f53
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Showing 34 changed files with 2,132 additions and 178 deletions.
1,659 changes: 1,653 additions & 6 deletions src/sig_stfl/lms/sig_stfl_lms.c
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183 changes: 180 additions & 3 deletions src/sig_stfl/lms/sig_stfl_lms.h
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Original file line number Diff line number Diff line change
Expand Up @@ -5,16 +5,193 @@

#include <oqs/oqs.h>

//OQS LMS parameter identifiers
/* Defined LM parameter sets */
#define OQS_LMS_ID_sha256_n32_h5_w1 0x1 //"5/1"
#define OQS_LMS_ID_sha256_n32_h5_w2 0x2 //"5/2"
#define OQS_LMS_ID_sha256_n32_h5_w4 0x3 //"5/4"
#define OQS_LMS_ID_sha256_n32_h5_w8 0x4 //"5/8"

#define OQS_LMS_ID_sha256_n32_h10_w1 0x5 //"10/1"
#define OQS_LMS_ID_sha256_n32_h10_w2 0x7 //"10/2"
#define OQS_LMS_ID_sha256_n32_h10_w4 0x8 //"10/4"
#define OQS_LMS_ID_sha256_n32_h10_w8 0x9 //"10/8"

#define OQS_LMS_ID_sha256_n32_h15_w1 0xa //"15/1"
#define OQS_LMS_ID_sha256_n32_h15_w2 0xb //"15/2"
#define OQS_LMS_ID_sha256_n32_h15_w4 0xc//"15/4"
#define OQS_LMS_ID_sha256_n32_h15_w8 0xd //"15/8"

#define OQS_LMS_ID_sha256_n32_h20_w1 0xe //"20/1"
#define OQS_LMS_ID_sha256_n32_h20_w2 0xf //"20/2"
#define OQS_LMS_ID_sha256_n32_h20_w4 0x10 //"20/4"
#define OQS_LMS_ID_sha256_n32_h20_w8 0x11 //"20/8"

#define OQS_LMS_ID_sha256_n32_h25_w1 0x12 //"25/1"
#define OQS_LMS_ID_sha256_n32_h25_w2 0x13 //"25/2"
#define OQS_LMS_ID_sha256_n32_h25_w4 0x14 //"25/4"
#define OQS_LMS_ID_sha256_n32_h25_w8 0x15 //"25/8"

//H5
#define OQS_SIG_STFL_alg_lms_sha256_h5_w1_length_signature 8688
#define OQS_SIG_STFL_alg_lms_sha256_h5_w1_length_pk 60
#define OQS_SIG_STFL_alg_lms_sha256_h5_w1_length_sk 64

OQS_SIG_STFL *OQS_SIG_STFL_alg_lms_sha256_h5_w1_new(void);
OQS_SIG_STFL_SECRET_KEY *OQS_SECRET_KEY_LMS_SHA256_H5_W1_new(void);
OQS_API OQS_STATUS OQS_SIG_STFL_alg_lms_sha256_h5_w1_keypair(uint8_t *public_key, OQS_SIG_STFL_SECRET_KEY *secret_key);

OQS_SIG_STFL_SECRET_KEY *OQS_SECRET_KEY_LMS_SHA256_H5_W1_new(void);
#define OQS_SIG_STFL_alg_lms_sha256_h5_w2_length_signature 4464
#define OQS_SIG_STFL_alg_lms_sha256_h5_w2_length_pk 60
#define OQS_SIG_STFL_alg_lms_sha256_h5_w2_length_sk 64
OQS_SIG_STFL *OQS_SIG_STFL_alg_lms_sha256_h5_w2_new(void);
OQS_SIG_STFL_SECRET_KEY *OQS_SECRET_KEY_LMS_SHA256_H5_W2_new(void);
OQS_API OQS_STATUS OQS_SIG_STFL_alg_lms_sha256_h5_w2_keypair(uint8_t *public_key, OQS_SIG_STFL_SECRET_KEY *secret_key);

#define OQS_SIG_STFL_alg_lms_sha256_h5_w4_length_signature 2352
#define OQS_SIG_STFL_alg_lms_sha256_h5_w4_length_pk 60
#define OQS_SIG_STFL_alg_lms_sha256_h5_w4_length_sk 64
OQS_SIG_STFL *OQS_SIG_STFL_alg_lms_sha256_h5_w4_new(void);
OQS_SIG_STFL_SECRET_KEY *OQS_SECRET_KEY_LMS_SHA256_H5_W4_new(void);
OQS_API OQS_STATUS OQS_SIG_STFL_alg_lms_sha256_h5_w4_keypair(uint8_t *public_key, OQS_SIG_STFL_SECRET_KEY *secret_key);

#define OQS_SIG_STFL_alg_lms_sha256_h5_w8_length_signature 1296
#define OQS_SIG_STFL_alg_lms_sha256_h5_w8_length_pk 60
#define OQS_SIG_STFL_alg_lms_sha256_h5_w8_length_sk 64
OQS_SIG_STFL *OQS_SIG_STFL_alg_lms_sha256_h5_w8_new(void);
OQS_SIG_STFL_SECRET_KEY *OQS_SECRET_KEY_LMS_SHA256_H5_W8_new(void);
OQS_API OQS_STATUS OQS_SIG_STFL_alg_lms_sha256_h5_w8_keypair(uint8_t *public_key, OQS_SIG_STFL_SECRET_KEY *secret_key);

//H10
// H10 W1 60 8848 64
// H10 W2 60 4624 64
// H10 W4 60 2512 64
// H10 W8 60 1456 64
#define OQS_SIG_STFL_alg_lms_sha256_h10_w1_length_signature 8848
#define OQS_SIG_STFL_alg_lms_sha256_h10_w1_length_pk 60
#define OQS_SIG_STFL_alg_lms_sha256_h10_w1_length_sk 64

OQS_SIG_STFL_SECRET_KEY *OQS_SECRET_KEY_LMS_SHA256_H10_W1_new(void);
OQS_SIG_STFL *OQS_SIG_STFL_alg_lms_sha256_h10_w1_new(void);

#define OQS_SIG_STFL_alg_lms_sha256_h10_w2_length_signature 4624
#define OQS_SIG_STFL_alg_lms_sha256_h10_w2_length_pk 60
#define OQS_SIG_STFL_alg_lms_sha256_h10_w2_length_sk 64

OQS_SIG_STFL_SECRET_KEY *OQS_SECRET_KEY_LMS_SHA256_H10_W2_new(void);
OQS_SIG_STFL *OQS_SIG_STFL_alg_lms_sha256_h10_w2_new(void);

#define OQS_SIG_STFL_alg_lms_sha256_h10_w4_length_signature 2512
#define OQS_SIG_STFL_alg_lms_sha256_h10_w4_length_pk 60
#define OQS_SIG_STFL_alg_lms_sha256_h10_w4_length_sk 64

OQS_SIG_STFL_SECRET_KEY *OQS_SECRET_KEY_LMS_SHA256_H10_W4_new(void);
OQS_SIG_STFL *OQS_SIG_STFL_alg_lms_sha256_h10_w4_new(void);

#define OQS_SIG_STFL_alg_lms_sha256_h10_w8_length_signature 1456
#define OQS_SIG_STFL_alg_lms_sha256_h10_w8_length_pk 60
#define OQS_SIG_STFL_alg_lms_sha256_h10_w8_length_sk 64

OQS_SIG_STFL_SECRET_KEY *OQS_SECRET_KEY_LMS_SHA256_H10_W8_new(void);
OQS_SIG_STFL *OQS_SIG_STFL_alg_lms_sha256_h10_w8_new(void);

//H15
// H15 W1 60 9008 64
// H15 W2 60 4784 64
// H15 W4 60 2672 64
// H15 W8 60 1616 64
#define OQS_SIG_STFL_alg_lms_sha256_h15_w1_length_signature 9008
#define OQS_SIG_STFL_alg_lms_sha256_h15_w1_length_pk 60
#define OQS_SIG_STFL_alg_lms_sha256_h15_w1_length_sk 64

OQS_SIG_STFL_SECRET_KEY *OQS_SECRET_KEY_LMS_SHA256_H15_W1_new(void);
OQS_SIG_STFL *OQS_SIG_STFL_alg_lms_sha256_h15_w1_new(void);

#define OQS_SIG_STFL_alg_lms_sha256_h15_w2_length_signature 4784
#define OQS_SIG_STFL_alg_lms_sha256_h15_w2_length_pk 60
#define OQS_SIG_STFL_alg_lms_sha256_h15_w2_length_sk 64

OQS_SIG_STFL_SECRET_KEY *OQS_SECRET_KEY_LMS_SHA256_H15_W2_new(void);
OQS_SIG_STFL *OQS_SIG_STFL_alg_lms_sha256_h15_w2_new(void);

#define OQS_SIG_STFL_alg_lms_sha256_h15_w4_length_signature 2672
#define OQS_SIG_STFL_alg_lms_sha256_h15_w4_length_pk 60
#define OQS_SIG_STFL_alg_lms_sha256_h15_w4_length_sk 64

OQS_SIG_STFL_SECRET_KEY *OQS_SECRET_KEY_LMS_SHA256_H15_W4_new(void);
OQS_SIG_STFL *OQS_SIG_STFL_alg_lms_sha256_h15_w4_new(void);

#define OQS_SIG_STFL_alg_lms_sha256_h15_w8_length_signature 1616
#define OQS_SIG_STFL_alg_lms_sha256_h15_w8_length_pk 60
#define OQS_SIG_STFL_alg_lms_sha256_h15_w8_length_sk 64

OQS_SIG_STFL_SECRET_KEY *OQS_SECRET_KEY_LMS_SHA256_H15_W8_new(void);
OQS_SIG_STFL *OQS_SIG_STFL_alg_lms_sha256_h15_w8_new(void);

//H20
// H20 W1 60 9168 64
// H20 W2 60 4944 64
// H20 W4 60 2832 64
// H20 W8 60 1776 64
#define OQS_SIG_STFL_alg_lms_sha256_h20_w1_length_signature 9168
#define OQS_SIG_STFL_alg_lms_sha256_h20_w1_length_pk 60
#define OQS_SIG_STFL_alg_lms_sha256_h20_w1_length_sk 64

OQS_SIG_STFL_SECRET_KEY *OQS_SECRET_KEY_LMS_SHA256_H20_W1_new(void);
OQS_SIG_STFL *OQS_SIG_STFL_alg_lms_sha256_h20_w1_new(void);

#define OQS_SIG_STFL_alg_lms_sha256_h20_w2_length_signature 4944
#define OQS_SIG_STFL_alg_lms_sha256_h20_w2_length_pk 60
#define OQS_SIG_STFL_alg_lms_sha256_h20_w2_length_sk 64

OQS_SIG_STFL_SECRET_KEY *OQS_SECRET_KEY_LMS_SHA256_H20_W2_new(void);
OQS_SIG_STFL *OQS_SIG_STFL_alg_lms_sha256_h20_w2_new(void);

#define OQS_SIG_STFL_alg_lms_sha256_h20_w4_length_signature 2832
#define OQS_SIG_STFL_alg_lms_sha256_h20_w4_length_pk 60
#define OQS_SIG_STFL_alg_lms_sha256_h20_w4_length_sk 64

OQS_SIG_STFL_SECRET_KEY *OQS_SECRET_KEY_LMS_SHA256_H20_W4_new(void);
OQS_SIG_STFL *OQS_SIG_STFL_alg_lms_sha256_h20_w4_new(void);

#define OQS_SIG_STFL_alg_lms_sha256_h20_w8_length_signature 1776
#define OQS_SIG_STFL_alg_lms_sha256_h20_w8_length_pk 60
#define OQS_SIG_STFL_alg_lms_sha256_h20_w8_length_sk 64

OQS_SIG_STFL_SECRET_KEY *OQS_SECRET_KEY_LMS_SHA256_H20_W8_new(void);
OQS_SIG_STFL *OQS_SIG_STFL_alg_lms_sha256_h20_w8_new(void);

//H25
// H25 W1 60 9328 64
// H25 W2 60 5104 64
// H25 W4 60 2992 64
// H25 W8 60 1936 64
#define OQS_SIG_STFL_alg_lms_sha256_h25_w1_length_signature 9328
#define OQS_SIG_STFL_alg_lms_sha256_h25_w1_length_pk 60
#define OQS_SIG_STFL_alg_lms_sha256_h25_w1_length_sk 64

OQS_SIG_STFL *OQS_SIG_STFL_alg_lms_sha256_h5_w1_new(void);
OQS_SIG_STFL_SECRET_KEY *OQS_SECRET_KEY_LMS_SHA256_H25_W1_new(void);
OQS_SIG_STFL *OQS_SIG_STFL_alg_lms_sha256_h25_w1_new(void);

#define OQS_SIG_STFL_alg_lms_sha256_h25_w2_length_signature 5104
#define OQS_SIG_STFL_alg_lms_sha256_h25_w2_length_pk 60
#define OQS_SIG_STFL_alg_lms_sha256_h25_w2_length_sk 64

OQS_SIG_STFL_SECRET_KEY *OQS_SECRET_KEY_LMS_SHA256_H25_W2_new(void);
OQS_SIG_STFL *OQS_SIG_STFL_alg_lms_sha256_h25_w2_new(void);

#define OQS_SIG_STFL_alg_lms_sha256_h25_w4_length_signature 2992
#define OQS_SIG_STFL_alg_lms_sha256_h25_w4_length_pk 60
#define OQS_SIG_STFL_alg_lms_sha256_h25_w4_length_sk 64

OQS_SIG_STFL_SECRET_KEY *OQS_SECRET_KEY_LMS_SHA256_H25_W4_new(void);
OQS_SIG_STFL *OQS_SIG_STFL_alg_lms_sha256_h25_w4_new(void);

#define OQS_SIG_STFL_alg_lms_sha256_h25_w8_length_signature 1936
#define OQS_SIG_STFL_alg_lms_sha256_h25_w8_length_pk 60
#define OQS_SIG_STFL_alg_lms_sha256_h25_w8_length_sk 64

OQS_SIG_STFL_SECRET_KEY *OQS_SECRET_KEY_LMS_SHA256_H25_W8_new(void);
OQS_SIG_STFL *OQS_SIG_STFL_alg_lms_sha256_h25_w8_new(void);

OQS_API OQS_STATUS OQS_SIG_STFL_lms_sigs_left(unsigned long long *remain, const OQS_SIG_STFL_SECRET_KEY *secret_key);
OQS_API OQS_STATUS OQS_SIG_STFL_lms_sigs_total(unsigned long long *totaln, const OQS_SIG_STFL_SECRET_KEY *secret_key);
Expand Down
87 changes: 82 additions & 5 deletions src/sig_stfl/lms/sig_stfl_lms_functions.c
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Original file line number Diff line number Diff line change
Expand Up @@ -183,7 +183,6 @@ OQS_API OQS_STATUS OQS_SIG_STFL_lms_sigs_total(unsigned long long *total, const
oqs_lms_key_data *oqs_key_data = NULL;
struct hss_working_key *working_key = NULL;


if (total == NULL || secret_key == NULL) {
return OQS_ERROR;
}
Expand All @@ -207,8 +206,6 @@ OQS_API OQS_STATUS OQS_SIG_STFL_lms_sigs_total(unsigned long long *total, const
return OQS_ERROR;
}



*total = (unsigned long long)working_key->max_count;
OQS_MEM_secure_free(working_key, sizeof(struct hss_working_key));
return OQS_SUCCESS;
Expand Down Expand Up @@ -280,11 +277,91 @@ int oqs_sig_stfl_lms_keypair(uint8_t *pk, OQS_SIG_STFL_SECRET_KEY *sk, const uin

/* Set lms param set */
switch (oid) {
case 0x1:
case OQS_LMS_ID_sha256_n32_h5_w1:
oqs_key_data->lm_type[0] = LMS_SHA256_N32_H5;
oqs_key_data->lm_ots_type[0] = LMOTS_SHA256_N32_W1;
break;
default:
case OQS_LMS_ID_sha256_n32_h5_w2:
oqs_key_data->lm_type[0] = LMS_SHA256_N32_H5;
oqs_key_data->lm_ots_type[0] = LMOTS_SHA256_N32_W2;
break;
case OQS_LMS_ID_sha256_n32_h5_w4:
oqs_key_data->lm_type[0] = LMS_SHA256_N32_H5;
oqs_key_data->lm_ots_type[0] = LMOTS_SHA256_N32_W4;
break;
case OQS_LMS_ID_sha256_n32_h5_w8:
oqs_key_data->lm_type[0] = LMS_SHA256_N32_H5;
oqs_key_data->lm_ots_type[0] = LMOTS_SHA256_N32_W8;
break;

case OQS_LMS_ID_sha256_n32_h10_w1:
oqs_key_data->lm_type[0] = LMS_SHA256_N32_H10;
oqs_key_data->lm_ots_type[0] = LMOTS_SHA256_N32_W1;
break;
case OQS_LMS_ID_sha256_n32_h10_w2:
oqs_key_data->lm_type[0] = LMS_SHA256_N32_H10;
oqs_key_data->lm_ots_type[0] = LMOTS_SHA256_N32_W2;
break;
case OQS_LMS_ID_sha256_n32_h10_w4:
oqs_key_data->lm_type[0] = LMS_SHA256_N32_H10;
oqs_key_data->lm_ots_type[0] = LMOTS_SHA256_N32_W4;
break;
case OQS_LMS_ID_sha256_n32_h10_w8:
oqs_key_data->lm_type[0] = LMS_SHA256_N32_H10;
oqs_key_data->lm_ots_type[0] = LMOTS_SHA256_N32_W8;
break;

case OQS_LMS_ID_sha256_n32_h15_w1:
oqs_key_data->lm_type[0] = LMS_SHA256_N32_H15;
oqs_key_data->lm_ots_type[0] = LMOTS_SHA256_N32_W1;
break;
case OQS_LMS_ID_sha256_n32_h15_w2:
oqs_key_data->lm_type[0] = LMS_SHA256_N32_H15;
oqs_key_data->lm_ots_type[0] = LMOTS_SHA256_N32_W2;
break;
case OQS_LMS_ID_sha256_n32_h15_w4:
oqs_key_data->lm_type[0] = LMS_SHA256_N32_H15;
oqs_key_data->lm_ots_type[0] = LMOTS_SHA256_N32_W4;
break;
case OQS_LMS_ID_sha256_n32_h15_w8:
oqs_key_data->lm_type[0] = LMS_SHA256_N32_H15;
oqs_key_data->lm_ots_type[0] = LMOTS_SHA256_N32_W8;
break;

case OQS_LMS_ID_sha256_n32_h20_w1:
oqs_key_data->lm_type[0] = LMS_SHA256_N32_H20;
oqs_key_data->lm_ots_type[0] = LMOTS_SHA256_N32_W1;
break;
case OQS_LMS_ID_sha256_n32_h20_w2:
oqs_key_data->lm_type[0] = LMS_SHA256_N32_H20;
oqs_key_data->lm_ots_type[0] = LMOTS_SHA256_N32_W2;
break;
case OQS_LMS_ID_sha256_n32_h20_w4:
oqs_key_data->lm_type[0] = LMS_SHA256_N32_H20;
oqs_key_data->lm_ots_type[0] = LMOTS_SHA256_N32_W4;
break;
case OQS_LMS_ID_sha256_n32_h20_w8:
oqs_key_data->lm_type[0] = LMS_SHA256_N32_H20;
oqs_key_data->lm_ots_type[0] = LMOTS_SHA256_N32_W8;
break;

case OQS_LMS_ID_sha256_n32_h25_w1:
oqs_key_data->lm_type[0] = LMS_SHA256_N32_H25;
oqs_key_data->lm_ots_type[0] = LMOTS_SHA256_N32_W1;
break;
case OQS_LMS_ID_sha256_n32_h25_w2:
oqs_key_data->lm_type[0] = LMS_SHA256_N32_H25;
oqs_key_data->lm_ots_type[0] = LMOTS_SHA256_N32_W2;
break;
case OQS_LMS_ID_sha256_n32_h25_w4:
oqs_key_data->lm_type[0] = LMS_SHA256_N32_H25;
oqs_key_data->lm_ots_type[0] = LMOTS_SHA256_N32_W4;
break;
case OQS_LMS_ID_sha256_n32_h25_w8:
oqs_key_data->lm_type[0] = LMS_SHA256_N32_H25;
oqs_key_data->lm_ots_type[0] = LMOTS_SHA256_N32_W8;
break;

oqs_key_data->lm_type[0] = 0;
oqs_key_data->lm_ots_type[0] = 0;
parse_err = 1;
Expand Down
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