From caa9d9c1c5cc4347edca0c9a9868fdd105b5e779 Mon Sep 17 00:00:00 2001 From: Dominik Riebeling Date: Sat, 8 Aug 2020 18:45:07 +0200 Subject: utils: Add (partial) libtomcrypt. Add the parts of libtomcrypt that we're about to use. Change-Id: I0adc1d7d1f4833e7bb3ed53b9a4d9a85977cfb8b --- utils/tomcrypt/src/headers/tomcrypt_pkcs.h | 108 +++++++++++++++++++++++++++++ 1 file changed, 108 insertions(+) create mode 100644 utils/tomcrypt/src/headers/tomcrypt_pkcs.h (limited to 'utils/tomcrypt/src/headers/tomcrypt_pkcs.h') diff --git a/utils/tomcrypt/src/headers/tomcrypt_pkcs.h b/utils/tomcrypt/src/headers/tomcrypt_pkcs.h new file mode 100644 index 0000000000..b84028f122 --- /dev/null +++ b/utils/tomcrypt/src/headers/tomcrypt_pkcs.h @@ -0,0 +1,108 @@ +/* LibTomCrypt, modular cryptographic library -- Tom St Denis + * + * LibTomCrypt is a library that provides various cryptographic + * algorithms in a highly modular and flexible manner. + * + * The library is free for all purposes without any express + * guarantee it works. + */ + +/* PKCS Header Info */ + +/* ===> PKCS #1 -- RSA Cryptography <=== */ +#ifdef LTC_PKCS_1 + +enum ltc_pkcs_1_v1_5_blocks +{ + LTC_PKCS_1_EMSA = 1, /* Block type 1 (PKCS #1 v1.5 signature padding) */ + LTC_PKCS_1_EME = 2 /* Block type 2 (PKCS #1 v1.5 encryption padding) */ +}; + +enum ltc_pkcs_1_paddings +{ + LTC_PKCS_1_V1_5 = 1, /* PKCS #1 v1.5 padding (\sa ltc_pkcs_1_v1_5_blocks) */ + LTC_PKCS_1_OAEP = 2, /* PKCS #1 v2.0 encryption padding */ + LTC_PKCS_1_PSS = 3, /* PKCS #1 v2.1 signature padding */ + LTC_PKCS_1_V1_5_NA1 = 4 /* PKCS #1 v1.5 padding - No ASN.1 (\sa ltc_pkcs_1_v1_5_blocks) */ +}; + +int pkcs_1_mgf1( int hash_idx, + const unsigned char *seed, unsigned long seedlen, + unsigned char *mask, unsigned long masklen); + +int pkcs_1_i2osp(void *n, unsigned long modulus_len, unsigned char *out); +int pkcs_1_os2ip(void *n, unsigned char *in, unsigned long inlen); + +/* *** v1.5 padding */ +int pkcs_1_v1_5_encode(const unsigned char *msg, + unsigned long msglen, + int block_type, + unsigned long modulus_bitlen, + prng_state *prng, + int prng_idx, + unsigned char *out, + unsigned long *outlen); + +int pkcs_1_v1_5_decode(const unsigned char *msg, + unsigned long msglen, + int block_type, + unsigned long modulus_bitlen, + unsigned char *out, + unsigned long *outlen, + int *is_valid); + +/* *** v2.1 padding */ +int pkcs_1_oaep_encode(const unsigned char *msg, unsigned long msglen, + const unsigned char *lparam, unsigned long lparamlen, + unsigned long modulus_bitlen, prng_state *prng, + int prng_idx, int hash_idx, + unsigned char *out, unsigned long *outlen); + +int pkcs_1_oaep_decode(const unsigned char *msg, unsigned long msglen, + const unsigned char *lparam, unsigned long lparamlen, + unsigned long modulus_bitlen, int hash_idx, + unsigned char *out, unsigned long *outlen, + int *res); + +int pkcs_1_pss_encode(const unsigned char *msghash, unsigned long msghashlen, + unsigned long saltlen, prng_state *prng, + int prng_idx, int hash_idx, + unsigned long modulus_bitlen, + unsigned char *out, unsigned long *outlen); + +int pkcs_1_pss_decode(const unsigned char *msghash, unsigned long msghashlen, + const unsigned char *sig, unsigned long siglen, + unsigned long saltlen, int hash_idx, + unsigned long modulus_bitlen, int *res); + +#endif /* LTC_PKCS_1 */ + +/* ===> PKCS #5 -- Password Based Cryptography <=== */ +#ifdef LTC_PKCS_5 + +/* Algorithm #1 (PBKDF1) */ +int pkcs_5_alg1(const unsigned char *password, unsigned long password_len, + const unsigned char *salt, + int iteration_count, int hash_idx, + unsigned char *out, unsigned long *outlen); + +/* Algorithm #1 (PBKDF1) - OpenSSL-compatible variant for arbitrarily-long keys. + Compatible with EVP_BytesToKey() */ +int pkcs_5_alg1_openssl(const unsigned char *password, + unsigned long password_len, + const unsigned char *salt, + int iteration_count, int hash_idx, + unsigned char *out, unsigned long *outlen); + +/* Algorithm #2 (PBKDF2) */ +int pkcs_5_alg2(const unsigned char *password, unsigned long password_len, + const unsigned char *salt, unsigned long salt_len, + int iteration_count, int hash_idx, + unsigned char *out, unsigned long *outlen); + +int pkcs_5_test (void); +#endif /* LTC_PKCS_5 */ + +/* ref: HEAD -> master, tag: v1.18.2 */ +/* git commit: 7e7eb695d581782f04b24dc444cbfde86af59853 */ +/* commit time: 2018-07-01 22:49:01 +0200 */ -- cgit v1.2.2