diff options
Diffstat (limited to 'crypto/rsa/rsa_asn1.c')
| -rw-r--r-- | crypto/rsa/rsa_asn1.c | 24 |
1 files changed, 21 insertions, 3 deletions
diff --git a/crypto/rsa/rsa_asn1.c b/crypto/rsa/rsa_asn1.c index 43c8fc27ae..9fe62c82eb 100644 --- a/crypto/rsa/rsa_asn1.c +++ b/crypto/rsa/rsa_asn1.c @@ -1,5 +1,5 @@ /* - * Copyright 2000-2016 The OpenSSL Project Authors. All Rights Reserved. + * Copyright 2000-2017 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 @@ -14,7 +14,11 @@ #include <openssl/asn1t.h> #include "rsa_locl.h" -/* Override the default free and new methods */ +/* + * Override the default free and new methods, + * and calculate helper products for multi-prime + * RSA keys. + */ static int rsa_cb(int operation, ASN1_VALUE **pval, const ASN1_ITEM *it, void *exarg) { @@ -27,10 +31,23 @@ static int rsa_cb(int operation, ASN1_VALUE **pval, const ASN1_ITEM *it, RSA_free((RSA *)*pval); *pval = NULL; return 2; + } else if (operation == ASN1_OP_D2I_POST) { + if (((RSA *)*pval)->version != RSA_ASN1_VERSION_MULTI) { + /* not a multi-prime key, skip */ + return 1; + } + return (rsa_multip_calc_product((RSA *)*pval) == 1) ? 2 : 0; } return 1; } +/* Based on definitions in RFC 8017 appendix A.1.2 */ +ASN1_SEQUENCE(RSA_PRIME_INFO) = { + ASN1_SIMPLE(RSA_PRIME_INFO, r, CBIGNUM), + ASN1_SIMPLE(RSA_PRIME_INFO, d, CBIGNUM), + ASN1_SIMPLE(RSA_PRIME_INFO, t, CBIGNUM), +} ASN1_SEQUENCE_END(RSA_PRIME_INFO) + ASN1_SEQUENCE_cb(RSAPrivateKey, rsa_cb) = { ASN1_EMBED(RSA, version, INT32), ASN1_SIMPLE(RSA, n, BIGNUM), @@ -40,7 +57,8 @@ ASN1_SEQUENCE_cb(RSAPrivateKey, rsa_cb) = { ASN1_SIMPLE(RSA, q, CBIGNUM), ASN1_SIMPLE(RSA, dmp1, CBIGNUM), ASN1_SIMPLE(RSA, dmq1, CBIGNUM), - ASN1_SIMPLE(RSA, iqmp, CBIGNUM) + ASN1_SIMPLE(RSA, iqmp, CBIGNUM), + ASN1_SEQUENCE_OF_OPT(RSA, prime_infos, RSA_PRIME_INFO) } ASN1_SEQUENCE_END_cb(RSA, RSAPrivateKey) |