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asm
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build.info
(1.05 KB)
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poly1305.c
(15.89 KB)
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poly1305_ameth.c
(2.62 KB)
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poly1305_base2_44.c
(4.72 KB)
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poly1305_ieee754.c
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poly1305_local.h
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poly1305_pmeth.c
(4.98 KB)
Editing: poly1305_ameth.c
/* * Copyright 2007-2018 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/evp.h> #include "crypto/asn1.h" #include "crypto/poly1305.h" #include "poly1305_local.h" #include "crypto/evp.h" /* * POLY1305 "ASN1" method. This is just here to indicate the maximum * POLY1305 output length and to free up a POLY1305 key. */ static int poly1305_size(const EVP_PKEY *pkey) { return POLY1305_DIGEST_SIZE; } static void poly1305_key_free(EVP_PKEY *pkey) { ASN1_OCTET_STRING *os = EVP_PKEY_get0(pkey); if (os != NULL) { if (os->data != NULL) OPENSSL_cleanse(os->data, os->length); ASN1_OCTET_STRING_free(os); } } static int poly1305_pkey_ctrl(EVP_PKEY *pkey, int op, long arg1, void *arg2) { /* nothing, (including ASN1_PKEY_CTRL_DEFAULT_MD_NID), is supported */ return -2; } static int poly1305_pkey_public_cmp(const EVP_PKEY *a, const EVP_PKEY *b) { return ASN1_OCTET_STRING_cmp(EVP_PKEY_get0(a), EVP_PKEY_get0(b)); } static int poly1305_set_priv_key(EVP_PKEY *pkey, const unsigned char *priv, size_t len) { ASN1_OCTET_STRING *os; if (pkey->pkey.ptr != NULL || len != POLY1305_KEY_SIZE) return 0; os = ASN1_OCTET_STRING_new(); if (os == NULL) return 0; if (!ASN1_OCTET_STRING_set(os, priv, len)) { ASN1_OCTET_STRING_free(os); return 0; } pkey->pkey.ptr = os; return 1; } static int poly1305_get_priv_key(const EVP_PKEY *pkey, unsigned char *priv, size_t *len) { ASN1_OCTET_STRING *os = (ASN1_OCTET_STRING *)pkey->pkey.ptr; if (priv == NULL) { *len = POLY1305_KEY_SIZE; return 1; } if (os == NULL || *len < POLY1305_KEY_SIZE) return 0; memcpy(priv, ASN1_STRING_get0_data(os), ASN1_STRING_length(os)); *len = POLY1305_KEY_SIZE; return 1; } const EVP_PKEY_ASN1_METHOD poly1305_asn1_meth = { EVP_PKEY_POLY1305, EVP_PKEY_POLY1305, 0, "POLY1305", "OpenSSL POLY1305 method", 0, 0, poly1305_pkey_public_cmp, 0, 0, 0, 0, poly1305_size, 0, 0, 0, 0, 0, 0, 0, 0, 0, poly1305_key_free, poly1305_pkey_ctrl, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, poly1305_set_priv_key, NULL, poly1305_get_priv_key, NULL, };
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