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author | 2023-10-10 14:33:42 +0000 | |
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committer | 2023-10-10 14:33:42 +0000 | |
commit | af1a266670d040d2f4083ff309d732d648afba2a (patch) | |
tree | 2fc46203448ddcc6f81546d379abfaeb323575e9 /roms/edk2/CryptoPkg/Library/OpensslLib/openssl/crypto/kdf | |
parent | e02cda008591317b1625707ff8e115a4841aa889 (diff) |
Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec
Diffstat (limited to 'roms/edk2/CryptoPkg/Library/OpensslLib/openssl/crypto/kdf')
5 files changed, 966 insertions, 0 deletions
diff --git a/roms/edk2/CryptoPkg/Library/OpensslLib/openssl/crypto/kdf/build.info b/roms/edk2/CryptoPkg/Library/OpensslLib/openssl/crypto/kdf/build.info new file mode 100644 index 000000000..c166399d0 --- /dev/null +++ b/roms/edk2/CryptoPkg/Library/OpensslLib/openssl/crypto/kdf/build.info @@ -0,0 +1,3 @@ +LIBS=../../libcrypto +SOURCE[../../libcrypto]=\ + tls1_prf.c kdf_err.c hkdf.c scrypt.c diff --git a/roms/edk2/CryptoPkg/Library/OpensslLib/openssl/crypto/kdf/hkdf.c b/roms/edk2/CryptoPkg/Library/OpensslLib/openssl/crypto/kdf/hkdf.c new file mode 100644 index 000000000..25bf4b729 --- /dev/null +++ b/roms/edk2/CryptoPkg/Library/OpensslLib/openssl/crypto/kdf/hkdf.c @@ -0,0 +1,352 @@ +/* + * Copyright 2016-2018 The OpenSSL Project Authors. All Rights Reserved. + * + * Licensed under the OpenSSL license (the "License"). You may not use + * this file except in compliance with the License. You can obtain a copy + * in the file LICENSE in the source distribution or at + * https://www.openssl.org/source/license.html + */ + +#include <stdlib.h> +#include <string.h> +#include <openssl/hmac.h> +#include <openssl/kdf.h> +#include <openssl/evp.h> +#include "internal/cryptlib.h" +#include "crypto/evp.h" + +#define HKDF_MAXBUF 1024 + +static unsigned char *HKDF(const EVP_MD *evp_md, + const unsigned char *salt, size_t salt_len, + const unsigned char *key, size_t key_len, + const unsigned char *info, size_t info_len, + unsigned char *okm, size_t okm_len); + +static unsigned char *HKDF_Extract(const EVP_MD *evp_md, + const unsigned char *salt, size_t salt_len, + const unsigned char *key, size_t key_len, + unsigned char *prk, size_t *prk_len); + +static unsigned char *HKDF_Expand(const EVP_MD *evp_md, + const unsigned char *prk, size_t prk_len, + const unsigned char *info, size_t info_len, + unsigned char *okm, size_t okm_len); + +typedef struct { + int mode; + const EVP_MD *md; + unsigned char *salt; + size_t salt_len; + unsigned char *key; + size_t key_len; + unsigned char info[HKDF_MAXBUF]; + size_t info_len; +} HKDF_PKEY_CTX; + +static int pkey_hkdf_init(EVP_PKEY_CTX *ctx) +{ + HKDF_PKEY_CTX *kctx; + + if ((kctx = OPENSSL_zalloc(sizeof(*kctx))) == NULL) { + KDFerr(KDF_F_PKEY_HKDF_INIT, ERR_R_MALLOC_FAILURE); + return 0; + } + + ctx->data = kctx; + + return 1; +} + +static void pkey_hkdf_cleanup(EVP_PKEY_CTX *ctx) +{ + HKDF_PKEY_CTX *kctx = ctx->data; + OPENSSL_clear_free(kctx->salt, kctx->salt_len); + OPENSSL_clear_free(kctx->key, kctx->key_len); + OPENSSL_cleanse(kctx->info, kctx->info_len); + OPENSSL_free(kctx); +} + +static int pkey_hkdf_ctrl(EVP_PKEY_CTX *ctx, int type, int p1, void *p2) +{ + HKDF_PKEY_CTX *kctx = ctx->data; + + switch (type) { + case EVP_PKEY_CTRL_HKDF_MD: + if (p2 == NULL) + return 0; + + kctx->md = p2; + return 1; + + case EVP_PKEY_CTRL_HKDF_MODE: + kctx->mode = p1; + return 1; + + case EVP_PKEY_CTRL_HKDF_SALT: + if (p1 == 0 || p2 == NULL) + return 1; + + if (p1 < 0) + return 0; + + if (kctx->salt != NULL) + OPENSSL_clear_free(kctx->salt, kctx->salt_len); + + kctx->salt = OPENSSL_memdup(p2, p1); + if (kctx->salt == NULL) + return 0; + + kctx->salt_len = p1; + return 1; + + case EVP_PKEY_CTRL_HKDF_KEY: + if (p1 < 0) + return 0; + + if (kctx->key != NULL) + OPENSSL_clear_free(kctx->key, kctx->key_len); + + kctx->key = OPENSSL_memdup(p2, p1); + if (kctx->key == NULL) + return 0; + + kctx->key_len = p1; + return 1; + + case EVP_PKEY_CTRL_HKDF_INFO: + if (p1 == 0 || p2 == NULL) + return 1; + + if (p1 < 0 || p1 > (int)(HKDF_MAXBUF - kctx->info_len)) + return 0; + + memcpy(kctx->info + kctx->info_len, p2, p1); + kctx->info_len += p1; + return 1; + + default: + return -2; + + } +} + +static int pkey_hkdf_ctrl_str(EVP_PKEY_CTX *ctx, const char *type, + const char *value) +{ + if (strcmp(type, "mode") == 0) { + int mode; + + if (strcmp(value, "EXTRACT_AND_EXPAND") == 0) + mode = EVP_PKEY_HKDEF_MODE_EXTRACT_AND_EXPAND; + else if (strcmp(value, "EXTRACT_ONLY") == 0) + mode = EVP_PKEY_HKDEF_MODE_EXTRACT_ONLY; + else if (strcmp(value, "EXPAND_ONLY") == 0) + mode = EVP_PKEY_HKDEF_MODE_EXPAND_ONLY; + else + return 0; + + return EVP_PKEY_CTX_hkdf_mode(ctx, mode); + } + + if (strcmp(type, "md") == 0) + return EVP_PKEY_CTX_md(ctx, EVP_PKEY_OP_DERIVE, + EVP_PKEY_CTRL_HKDF_MD, value); + + if (strcmp(type, "salt") == 0) + return EVP_PKEY_CTX_str2ctrl(ctx, EVP_PKEY_CTRL_HKDF_SALT, value); + + if (strcmp(type, "hexsalt") == 0) + return EVP_PKEY_CTX_hex2ctrl(ctx, EVP_PKEY_CTRL_HKDF_SALT, value); + + if (strcmp(type, "key") == 0) + return EVP_PKEY_CTX_str2ctrl(ctx, EVP_PKEY_CTRL_HKDF_KEY, value); + + if (strcmp(type, "hexkey") == 0) + return EVP_PKEY_CTX_hex2ctrl(ctx, EVP_PKEY_CTRL_HKDF_KEY, value); + + if (strcmp(type, "info") == 0) + return EVP_PKEY_CTX_str2ctrl(ctx, EVP_PKEY_CTRL_HKDF_INFO, value); + + if (strcmp(type, "hexinfo") == 0) + return EVP_PKEY_CTX_hex2ctrl(ctx, EVP_PKEY_CTRL_HKDF_INFO, value); + + KDFerr(KDF_F_PKEY_HKDF_CTRL_STR, KDF_R_UNKNOWN_PARAMETER_TYPE); + return -2; +} + +static int pkey_hkdf_derive_init(EVP_PKEY_CTX *ctx) +{ + HKDF_PKEY_CTX *kctx = ctx->data; + + OPENSSL_clear_free(kctx->key, kctx->key_len); + OPENSSL_clear_free(kctx->salt, kctx->salt_len); + OPENSSL_cleanse(kctx->info, kctx->info_len); + memset(kctx, 0, sizeof(*kctx)); + + return 1; +} + +static int pkey_hkdf_derive(EVP_PKEY_CTX *ctx, unsigned char *key, + size_t *keylen) +{ + HKDF_PKEY_CTX *kctx = ctx->data; + + if (kctx->md == NULL) { + KDFerr(KDF_F_PKEY_HKDF_DERIVE, KDF_R_MISSING_MESSAGE_DIGEST); + return 0; + } + if (kctx->key == NULL) { + KDFerr(KDF_F_PKEY_HKDF_DERIVE, KDF_R_MISSING_KEY); + return 0; + } + + switch (kctx->mode) { + case EVP_PKEY_HKDEF_MODE_EXTRACT_AND_EXPAND: + return HKDF(kctx->md, kctx->salt, kctx->salt_len, kctx->key, + kctx->key_len, kctx->info, kctx->info_len, key, + *keylen) != NULL; + + case EVP_PKEY_HKDEF_MODE_EXTRACT_ONLY: + if (key == NULL) { + *keylen = EVP_MD_size(kctx->md); + return 1; + } + return HKDF_Extract(kctx->md, kctx->salt, kctx->salt_len, kctx->key, + kctx->key_len, key, keylen) != NULL; + + case EVP_PKEY_HKDEF_MODE_EXPAND_ONLY: + return HKDF_Expand(kctx->md, kctx->key, kctx->key_len, kctx->info, + kctx->info_len, key, *keylen) != NULL; + + default: + return 0; + } +} + +const EVP_PKEY_METHOD hkdf_pkey_meth = { + EVP_PKEY_HKDF, + 0, + pkey_hkdf_init, + 0, + pkey_hkdf_cleanup, + + 0, 0, + 0, 0, + + 0, + 0, + + 0, + 0, + + 0, 0, + + 0, 0, 0, 0, + + 0, 0, + + 0, 0, + + pkey_hkdf_derive_init, + pkey_hkdf_derive, + pkey_hkdf_ctrl, + pkey_hkdf_ctrl_str +}; + +static unsigned char *HKDF(const EVP_MD *evp_md, + const unsigned char *salt, size_t salt_len, + const unsigned char *key, size_t key_len, + const unsigned char *info, size_t info_len, + unsigned char *okm, size_t okm_len) +{ + unsigned char prk[EVP_MAX_MD_SIZE]; + unsigned char *ret; + size_t prk_len; + + if (!HKDF_Extract(evp_md, salt, salt_len, key, key_len, prk, &prk_len)) + return NULL; + + ret = HKDF_Expand(evp_md, prk, prk_len, info, info_len, okm, okm_len); + OPENSSL_cleanse(prk, sizeof(prk)); + + return ret; +} + +static unsigned char *HKDF_Extract(const EVP_MD *evp_md, + const unsigned char *salt, size_t salt_len, + const unsigned char *key, size_t key_len, + unsigned char *prk, size_t *prk_len) +{ + unsigned int tmp_len; + + if (!HMAC(evp_md, salt, salt_len, key, key_len, prk, &tmp_len)) + return NULL; + + *prk_len = tmp_len; + return prk; +} + +static unsigned char *HKDF_Expand(const EVP_MD *evp_md, + const unsigned char *prk, size_t prk_len, + const unsigned char *info, size_t info_len, + unsigned char *okm, size_t okm_len) +{ + HMAC_CTX *hmac; + unsigned char *ret = NULL; + + unsigned int i; + + unsigned char prev[EVP_MAX_MD_SIZE]; + + size_t done_len = 0, dig_len = EVP_MD_size(evp_md); + + size_t n = okm_len / dig_len; + if (okm_len % dig_len) + n++; + + if (n > 255 || okm == NULL) + return NULL; + + if ((hmac = HMAC_CTX_new()) == NULL) + return NULL; + + if (!HMAC_Init_ex(hmac, prk, prk_len, evp_md, NULL)) + goto err; + + for (i = 1; i <= n; i++) { + size_t copy_len; + const unsigned char ctr = i; + + if (i > 1) { + if (!HMAC_Init_ex(hmac, NULL, 0, NULL, NULL)) + goto err; + + if (!HMAC_Update(hmac, prev, dig_len)) + goto err; + } + + if (!HMAC_Update(hmac, info, info_len)) + goto err; + + if (!HMAC_Update(hmac, &ctr, 1)) + goto err; + + if (!HMAC_Final(hmac, prev, NULL)) + goto err; + + copy_len = (done_len + dig_len > okm_len) ? + okm_len - done_len : + dig_len; + + memcpy(okm + done_len, prev, copy_len); + + done_len += copy_len; + } + ret = okm; + + err: + OPENSSL_cleanse(prev, sizeof(prev)); + HMAC_CTX_free(hmac); + return ret; +} diff --git a/roms/edk2/CryptoPkg/Library/OpensslLib/openssl/crypto/kdf/kdf_err.c b/roms/edk2/CryptoPkg/Library/OpensslLib/openssl/crypto/kdf/kdf_err.c new file mode 100644 index 000000000..1627c0a39 --- /dev/null +++ b/roms/edk2/CryptoPkg/Library/OpensslLib/openssl/crypto/kdf/kdf_err.c @@ -0,0 +1,67 @@ +/* + * Generated by util/mkerr.pl DO NOT EDIT + * Copyright 1995-2018 The OpenSSL Project Authors. All Rights Reserved. + * + * Licensed under the OpenSSL license (the "License"). You may not use + * this file except in compliance with the License. You can obtain a copy + * in the file LICENSE in the source distribution or at + * https://www.openssl.org/source/license.html + */ + +#include <openssl/err.h> +#include <openssl/kdferr.h> + +#ifndef OPENSSL_NO_ERR + +static const ERR_STRING_DATA KDF_str_functs[] = { + {ERR_PACK(ERR_LIB_KDF, KDF_F_PKEY_HKDF_CTRL_STR, 0), "pkey_hkdf_ctrl_str"}, + {ERR_PACK(ERR_LIB_KDF, KDF_F_PKEY_HKDF_DERIVE, 0), "pkey_hkdf_derive"}, + {ERR_PACK(ERR_LIB_KDF, KDF_F_PKEY_HKDF_INIT, 0), "pkey_hkdf_init"}, + {ERR_PACK(ERR_LIB_KDF, KDF_F_PKEY_SCRYPT_CTRL_STR, 0), + "pkey_scrypt_ctrl_str"}, + {ERR_PACK(ERR_LIB_KDF, KDF_F_PKEY_SCRYPT_CTRL_UINT64, 0), + "pkey_scrypt_ctrl_uint64"}, + {ERR_PACK(ERR_LIB_KDF, KDF_F_PKEY_SCRYPT_DERIVE, 0), "pkey_scrypt_derive"}, + {ERR_PACK(ERR_LIB_KDF, KDF_F_PKEY_SCRYPT_INIT, 0), "pkey_scrypt_init"}, + {ERR_PACK(ERR_LIB_KDF, KDF_F_PKEY_SCRYPT_SET_MEMBUF, 0), + "pkey_scrypt_set_membuf"}, + {ERR_PACK(ERR_LIB_KDF, KDF_F_PKEY_TLS1_PRF_CTRL_STR, 0), + "pkey_tls1_prf_ctrl_str"}, + {ERR_PACK(ERR_LIB_KDF, KDF_F_PKEY_TLS1_PRF_DERIVE, 0), + "pkey_tls1_prf_derive"}, + {ERR_PACK(ERR_LIB_KDF, KDF_F_PKEY_TLS1_PRF_INIT, 0), "pkey_tls1_prf_init"}, + {ERR_PACK(ERR_LIB_KDF, KDF_F_TLS1_PRF_ALG, 0), "tls1_prf_alg"}, + {0, NULL} +}; + +static const ERR_STRING_DATA KDF_str_reasons[] = { + {ERR_PACK(ERR_LIB_KDF, 0, KDF_R_INVALID_DIGEST), "invalid digest"}, + {ERR_PACK(ERR_LIB_KDF, 0, KDF_R_MISSING_ITERATION_COUNT), + "missing iteration count"}, + {ERR_PACK(ERR_LIB_KDF, 0, KDF_R_MISSING_KEY), "missing key"}, + {ERR_PACK(ERR_LIB_KDF, 0, KDF_R_MISSING_MESSAGE_DIGEST), + "missing message digest"}, + {ERR_PACK(ERR_LIB_KDF, 0, KDF_R_MISSING_PARAMETER), "missing parameter"}, + {ERR_PACK(ERR_LIB_KDF, 0, KDF_R_MISSING_PASS), "missing pass"}, + {ERR_PACK(ERR_LIB_KDF, 0, KDF_R_MISSING_SALT), "missing salt"}, + {ERR_PACK(ERR_LIB_KDF, 0, KDF_R_MISSING_SECRET), "missing secret"}, + {ERR_PACK(ERR_LIB_KDF, 0, KDF_R_MISSING_SEED), "missing seed"}, + {ERR_PACK(ERR_LIB_KDF, 0, KDF_R_UNKNOWN_PARAMETER_TYPE), + "unknown parameter type"}, + {ERR_PACK(ERR_LIB_KDF, 0, KDF_R_VALUE_ERROR), "value error"}, + {ERR_PACK(ERR_LIB_KDF, 0, KDF_R_VALUE_MISSING), "value missing"}, + {0, NULL} +}; + +#endif + +int ERR_load_KDF_strings(void) +{ +#ifndef OPENSSL_NO_ERR + if (ERR_func_error_string(KDF_str_functs[0].error) == NULL) { + ERR_load_strings_const(KDF_str_functs); + ERR_load_strings_const(KDF_str_reasons); + } +#endif + return 1; +} diff --git a/roms/edk2/CryptoPkg/Library/OpensslLib/openssl/crypto/kdf/scrypt.c b/roms/edk2/CryptoPkg/Library/OpensslLib/openssl/crypto/kdf/scrypt.c new file mode 100644 index 000000000..68606ac00 --- /dev/null +++ b/roms/edk2/CryptoPkg/Library/OpensslLib/openssl/crypto/kdf/scrypt.c @@ -0,0 +1,266 @@ +/* + * Copyright 2017-2018 The OpenSSL Project Authors. All Rights Reserved. + * + * Licensed under the OpenSSL license (the "License"). You may not use + * this file except in compliance with the License. You can obtain a copy + * in the file LICENSE in the source distribution or at + * https://www.openssl.org/source/license.html + */ + +#include <stdlib.h> +#include <string.h> +#include <openssl/hmac.h> +#include <openssl/kdf.h> +#include <openssl/evp.h> +#include "internal/cryptlib.h" +#include "crypto/evp.h" + +#ifndef OPENSSL_NO_SCRYPT + +static int atou64(const char *nptr, uint64_t *result); + +typedef struct { + unsigned char *pass; + size_t pass_len; + unsigned char *salt; + size_t salt_len; + uint64_t N, r, p; + uint64_t maxmem_bytes; +} SCRYPT_PKEY_CTX; + +/* Custom uint64_t parser since we do not have strtoull */ +static int atou64(const char *nptr, uint64_t *result) +{ + uint64_t value = 0; + + while (*nptr) { + unsigned int digit; + uint64_t new_value; + + if ((*nptr < '0') || (*nptr > '9')) { + return 0; + } + digit = (unsigned int)(*nptr - '0'); + new_value = (value * 10) + digit; + if ((new_value < digit) || ((new_value - digit) / 10 != value)) { + /* Overflow */ + return 0; + } + value = new_value; + nptr++; + } + *result = value; + return 1; +} + +static int pkey_scrypt_init(EVP_PKEY_CTX *ctx) +{ + SCRYPT_PKEY_CTX *kctx; + + kctx = OPENSSL_zalloc(sizeof(*kctx)); + if (kctx == NULL) { + KDFerr(KDF_F_PKEY_SCRYPT_INIT, ERR_R_MALLOC_FAILURE); + return 0; + } + + /* Default values are the most conservative recommendation given in the + * original paper of C. Percival. Derivation uses roughly 1 GiB of memory + * for this parameter choice (approx. 128 * r * (N + p) bytes). + */ + kctx->N = 1 << 20; + kctx->r = 8; + kctx->p = 1; + kctx->maxmem_bytes = 1025 * 1024 * 1024; + + ctx->data = kctx; + + return 1; +} + +static void pkey_scrypt_cleanup(EVP_PKEY_CTX *ctx) +{ + SCRYPT_PKEY_CTX *kctx = ctx->data; + + OPENSSL_clear_free(kctx->salt, kctx->salt_len); + OPENSSL_clear_free(kctx->pass, kctx->pass_len); + OPENSSL_free(kctx); +} + +static int pkey_scrypt_set_membuf(unsigned char **buffer, size_t *buflen, + const unsigned char *new_buffer, + const int new_buflen) +{ + if (new_buffer == NULL) + return 1; + + if (new_buflen < 0) + return 0; + + if (*buffer != NULL) + OPENSSL_clear_free(*buffer, *buflen); + + if (new_buflen > 0) { + *buffer = OPENSSL_memdup(new_buffer, new_buflen); + } else { + *buffer = OPENSSL_malloc(1); + } + if (*buffer == NULL) { + KDFerr(KDF_F_PKEY_SCRYPT_SET_MEMBUF, ERR_R_MALLOC_FAILURE); + return 0; + } + + *buflen = new_buflen; + return 1; +} + +static int is_power_of_two(uint64_t value) +{ + return (value != 0) && ((value & (value - 1)) == 0); +} + +static int pkey_scrypt_ctrl(EVP_PKEY_CTX *ctx, int type, int p1, void *p2) +{ + SCRYPT_PKEY_CTX *kctx = ctx->data; + uint64_t u64_value; + + switch (type) { + case EVP_PKEY_CTRL_PASS: + return pkey_scrypt_set_membuf(&kctx->pass, &kctx->pass_len, p2, p1); + + case EVP_PKEY_CTRL_SCRYPT_SALT: + return pkey_scrypt_set_membuf(&kctx->salt, &kctx->salt_len, p2, p1); + + case EVP_PKEY_CTRL_SCRYPT_N: + u64_value = *((uint64_t *)p2); + if ((u64_value <= 1) || !is_power_of_two(u64_value)) + return 0; + kctx->N = u64_value; + return 1; + + case EVP_PKEY_CTRL_SCRYPT_R: + u64_value = *((uint64_t *)p2); + if (u64_value < 1) + return 0; + kctx->r = u64_value; + return 1; + + case EVP_PKEY_CTRL_SCRYPT_P: + u64_value = *((uint64_t *)p2); + if (u64_value < 1) + return 0; + kctx->p = u64_value; + return 1; + + case EVP_PKEY_CTRL_SCRYPT_MAXMEM_BYTES: + u64_value = *((uint64_t *)p2); + if (u64_value < 1) + return 0; + kctx->maxmem_bytes = u64_value; + return 1; + + default: + return -2; + + } +} + +static int pkey_scrypt_ctrl_uint64(EVP_PKEY_CTX *ctx, int type, + const char *value) +{ + uint64_t int_value; + + if (!atou64(value, &int_value)) { + KDFerr(KDF_F_PKEY_SCRYPT_CTRL_UINT64, KDF_R_VALUE_ERROR); + return 0; + } + return pkey_scrypt_ctrl(ctx, type, 0, &int_value); +} + +static int pkey_scrypt_ctrl_str(EVP_PKEY_CTX *ctx, const char *type, + const char *value) +{ + if (value == NULL) { + KDFerr(KDF_F_PKEY_SCRYPT_CTRL_STR, KDF_R_VALUE_MISSING); + return 0; + } + + if (strcmp(type, "pass") == 0) + return EVP_PKEY_CTX_str2ctrl(ctx, EVP_PKEY_CTRL_PASS, value); + + if (strcmp(type, "hexpass") == 0) + return EVP_PKEY_CTX_hex2ctrl(ctx, EVP_PKEY_CTRL_PASS, value); + + if (strcmp(type, "salt") == 0) + return EVP_PKEY_CTX_str2ctrl(ctx, EVP_PKEY_CTRL_SCRYPT_SALT, value); + + if (strcmp(type, "hexsalt") == 0) + return EVP_PKEY_CTX_hex2ctrl(ctx, EVP_PKEY_CTRL_SCRYPT_SALT, value); + + if (strcmp(type, "N") == 0) + return pkey_scrypt_ctrl_uint64(ctx, EVP_PKEY_CTRL_SCRYPT_N, value); + + if (strcmp(type, "r") == 0) + return pkey_scrypt_ctrl_uint64(ctx, EVP_PKEY_CTRL_SCRYPT_R, value); + + if (strcmp(type, "p") == 0) + return pkey_scrypt_ctrl_uint64(ctx, EVP_PKEY_CTRL_SCRYPT_P, value); + + if (strcmp(type, "maxmem_bytes") == 0) + return pkey_scrypt_ctrl_uint64(ctx, EVP_PKEY_CTRL_SCRYPT_MAXMEM_BYTES, + value); + + KDFerr(KDF_F_PKEY_SCRYPT_CTRL_STR, KDF_R_UNKNOWN_PARAMETER_TYPE); + return -2; +} + +static int pkey_scrypt_derive(EVP_PKEY_CTX *ctx, unsigned char *key, + size_t *keylen) +{ + SCRYPT_PKEY_CTX *kctx = ctx->data; + + if (kctx->pass == NULL) { + KDFerr(KDF_F_PKEY_SCRYPT_DERIVE, KDF_R_MISSING_PASS); + return 0; + } + + if (kctx->salt == NULL) { + KDFerr(KDF_F_PKEY_SCRYPT_DERIVE, KDF_R_MISSING_SALT); + return 0; + } + + return EVP_PBE_scrypt((char *)kctx->pass, kctx->pass_len, kctx->salt, + kctx->salt_len, kctx->N, kctx->r, kctx->p, + kctx->maxmem_bytes, key, *keylen); +} + +const EVP_PKEY_METHOD scrypt_pkey_meth = { + EVP_PKEY_SCRYPT, + 0, + pkey_scrypt_init, + 0, + pkey_scrypt_cleanup, + + 0, 0, + 0, 0, + + 0, + 0, + + 0, + 0, + + 0, 0, + + 0, 0, 0, 0, + + 0, 0, + + 0, 0, + + 0, + pkey_scrypt_derive, + pkey_scrypt_ctrl, + pkey_scrypt_ctrl_str +}; + +#endif diff --git a/roms/edk2/CryptoPkg/Library/OpensslLib/openssl/crypto/kdf/tls1_prf.c b/roms/edk2/CryptoPkg/Library/OpensslLib/openssl/crypto/kdf/tls1_prf.c new file mode 100644 index 000000000..e9ca8e127 --- /dev/null +++ b/roms/edk2/CryptoPkg/Library/OpensslLib/openssl/crypto/kdf/tls1_prf.c @@ -0,0 +1,278 @@ +/* + * Copyright 2016-2018 The OpenSSL Project Authors. All Rights Reserved. + * + * Licensed under the OpenSSL license (the "License"). You may not use + * this file except in compliance with the License. You can obtain a copy + * in the file LICENSE in the source distribution or at + * https://www.openssl.org/source/license.html + */ + +#include <stdio.h> +#include "internal/cryptlib.h" +#include <openssl/kdf.h> +#include <openssl/evp.h> +#include "crypto/evp.h" + +static int tls1_prf_alg(const EVP_MD *md, + const unsigned char *sec, size_t slen, + const unsigned char *seed, size_t seed_len, + unsigned char *out, size_t olen); + +#define TLS1_PRF_MAXBUF 1024 + +/* TLS KDF pkey context structure */ + +typedef struct { + /* Digest to use for PRF */ + const EVP_MD *md; + /* Secret value to use for PRF */ + unsigned char *sec; + size_t seclen; + /* Buffer of concatenated seed data */ + unsigned char seed[TLS1_PRF_MAXBUF]; + size_t seedlen; +} TLS1_PRF_PKEY_CTX; + +static int pkey_tls1_prf_init(EVP_PKEY_CTX *ctx) +{ + TLS1_PRF_PKEY_CTX *kctx; + + if ((kctx = OPENSSL_zalloc(sizeof(*kctx))) == NULL) { + KDFerr(KDF_F_PKEY_TLS1_PRF_INIT, ERR_R_MALLOC_FAILURE); + return 0; + } + ctx->data = kctx; + + return 1; +} + +static void pkey_tls1_prf_cleanup(EVP_PKEY_CTX *ctx) +{ + TLS1_PRF_PKEY_CTX *kctx = ctx->data; + OPENSSL_clear_free(kctx->sec, kctx->seclen); + OPENSSL_cleanse(kctx->seed, kctx->seedlen); + OPENSSL_free(kctx); +} + +static int pkey_tls1_prf_ctrl(EVP_PKEY_CTX *ctx, int type, int p1, void *p2) +{ + TLS1_PRF_PKEY_CTX *kctx = ctx->data; + switch (type) { + case EVP_PKEY_CTRL_TLS_MD: + kctx->md = p2; + return 1; + + case EVP_PKEY_CTRL_TLS_SECRET: + if (p1 < 0) + return 0; + if (kctx->sec != NULL) + OPENSSL_clear_free(kctx->sec, kctx->seclen); + OPENSSL_cleanse(kctx->seed, kctx->seedlen); + kctx->seedlen = 0; + kctx->sec = OPENSSL_memdup(p2, p1); + if (kctx->sec == NULL) + return 0; + kctx->seclen = p1; + return 1; + + case EVP_PKEY_CTRL_TLS_SEED: + if (p1 == 0 || p2 == NULL) + return 1; + if (p1 < 0 || p1 > (int)(TLS1_PRF_MAXBUF - kctx->seedlen)) + return 0; + memcpy(kctx->seed + kctx->seedlen, p2, p1); + kctx->seedlen += p1; + return 1; + + default: + return -2; + + } +} + +static int pkey_tls1_prf_ctrl_str(EVP_PKEY_CTX *ctx, + const char *type, const char *value) +{ + if (value == NULL) { + KDFerr(KDF_F_PKEY_TLS1_PRF_CTRL_STR, KDF_R_VALUE_MISSING); + return 0; + } + if (strcmp(type, "md") == 0) { + TLS1_PRF_PKEY_CTX *kctx = ctx->data; + + const EVP_MD *md = EVP_get_digestbyname(value); + if (md == NULL) { + KDFerr(KDF_F_PKEY_TLS1_PRF_CTRL_STR, KDF_R_INVALID_DIGEST); + return 0; + } + kctx->md = md; + return 1; + } + if (strcmp(type, "secret") == 0) + return EVP_PKEY_CTX_str2ctrl(ctx, EVP_PKEY_CTRL_TLS_SECRET, value); + if (strcmp(type, "hexsecret") == 0) + return EVP_PKEY_CTX_hex2ctrl(ctx, EVP_PKEY_CTRL_TLS_SECRET, value); + if (strcmp(type, "seed") == 0) + return EVP_PKEY_CTX_str2ctrl(ctx, EVP_PKEY_CTRL_TLS_SEED, value); + if (strcmp(type, "hexseed") == 0) + return EVP_PKEY_CTX_hex2ctrl(ctx, EVP_PKEY_CTRL_TLS_SEED, value); + + KDFerr(KDF_F_PKEY_TLS1_PRF_CTRL_STR, KDF_R_UNKNOWN_PARAMETER_TYPE); + return -2; +} + +static int pkey_tls1_prf_derive(EVP_PKEY_CTX *ctx, unsigned char *key, + size_t *keylen) +{ + TLS1_PRF_PKEY_CTX *kctx = ctx->data; + if (kctx->md == NULL) { + KDFerr(KDF_F_PKEY_TLS1_PRF_DERIVE, KDF_R_MISSING_MESSAGE_DIGEST); + return 0; + } + if (kctx->sec == NULL) { + KDFerr(KDF_F_PKEY_TLS1_PRF_DERIVE, KDF_R_MISSING_SECRET); + return 0; + } + if (kctx->seedlen == 0) { + KDFerr(KDF_F_PKEY_TLS1_PRF_DERIVE, KDF_R_MISSING_SEED); + return 0; + } + return tls1_prf_alg(kctx->md, kctx->sec, kctx->seclen, + kctx->seed, kctx->seedlen, + key, *keylen); +} + +const EVP_PKEY_METHOD tls1_prf_pkey_meth = { + EVP_PKEY_TLS1_PRF, + 0, + pkey_tls1_prf_init, + 0, + pkey_tls1_prf_cleanup, + + 0, 0, + 0, 0, + + 0, + 0, + + 0, + 0, + + 0, 0, + + 0, 0, 0, 0, + + 0, 0, + + 0, 0, + + 0, + pkey_tls1_prf_derive, + pkey_tls1_prf_ctrl, + pkey_tls1_prf_ctrl_str +}; + +static int tls1_prf_P_hash(const EVP_MD *md, + const unsigned char *sec, size_t sec_len, + const unsigned char *seed, size_t seed_len, + unsigned char *out, size_t olen) +{ + int chunk; + EVP_MD_CTX *ctx = NULL, *ctx_tmp = NULL, *ctx_init = NULL; + EVP_PKEY *mac_key = NULL; + unsigned char A1[EVP_MAX_MD_SIZE]; + size_t A1_len; + int ret = 0; + + chunk = EVP_MD_size(md); + if (!ossl_assert(chunk > 0)) + goto err; + + ctx = EVP_MD_CTX_new(); + ctx_tmp = EVP_MD_CTX_new(); + ctx_init = EVP_MD_CTX_new(); + if (ctx == NULL || ctx_tmp == NULL || ctx_init == NULL) + goto err; + EVP_MD_CTX_set_flags(ctx_init, EVP_MD_CTX_FLAG_NON_FIPS_ALLOW); + mac_key = EVP_PKEY_new_raw_private_key(EVP_PKEY_HMAC, NULL, sec, sec_len); + if (mac_key == NULL) + goto err; + if (!EVP_DigestSignInit(ctx_init, NULL, md, NULL, mac_key)) + goto err; + if (!EVP_MD_CTX_copy_ex(ctx, ctx_init)) + goto err; + if (seed != NULL && !EVP_DigestSignUpdate(ctx, seed, seed_len)) + goto err; + if (!EVP_DigestSignFinal(ctx, A1, &A1_len)) + goto err; + + for (;;) { + /* Reinit mac contexts */ + if (!EVP_MD_CTX_copy_ex(ctx, ctx_init)) + goto err; + if (!EVP_DigestSignUpdate(ctx, A1, A1_len)) + goto err; + if (olen > (size_t)chunk && !EVP_MD_CTX_copy_ex(ctx_tmp, ctx)) + goto err; + if (seed && !EVP_DigestSignUpdate(ctx, seed, seed_len)) + goto err; + + if (olen > (size_t)chunk) { + size_t mac_len; + if (!EVP_DigestSignFinal(ctx, out, &mac_len)) + goto err; + out += mac_len; + olen -= mac_len; + /* calc the next A1 value */ + if (!EVP_DigestSignFinal(ctx_tmp, A1, &A1_len)) + goto err; + } else { /* last one */ + + if (!EVP_DigestSignFinal(ctx, A1, &A1_len)) + goto err; + memcpy(out, A1, olen); + break; + } + } + ret = 1; + err: + EVP_PKEY_free(mac_key); + EVP_MD_CTX_free(ctx); + EVP_MD_CTX_free(ctx_tmp); + EVP_MD_CTX_free(ctx_init); + OPENSSL_cleanse(A1, sizeof(A1)); + return ret; +} + +static int tls1_prf_alg(const EVP_MD *md, + const unsigned char *sec, size_t slen, + const unsigned char *seed, size_t seed_len, + unsigned char *out, size_t olen) +{ + + if (EVP_MD_type(md) == NID_md5_sha1) { + size_t i; + unsigned char *tmp; + if (!tls1_prf_P_hash(EVP_md5(), sec, slen/2 + (slen & 1), + seed, seed_len, out, olen)) + return 0; + + if ((tmp = OPENSSL_malloc(olen)) == NULL) { + KDFerr(KDF_F_TLS1_PRF_ALG, ERR_R_MALLOC_FAILURE); + return 0; + } + if (!tls1_prf_P_hash(EVP_sha1(), sec + slen/2, slen/2 + (slen & 1), + seed, seed_len, tmp, olen)) { + OPENSSL_clear_free(tmp, olen); + return 0; + } + for (i = 0; i < olen; i++) + out[i] ^= tmp[i]; + OPENSSL_clear_free(tmp, olen); + return 1; + } + if (!tls1_prf_P_hash(md, sec, slen, seed, seed_len, out, olen)) + return 0; + + return 1; +} |