Add tests for AlgorithmIdentifier support in EVP.
Change-Id: I6691c93cfebfb06132e847d7c0bd3dd6bf076cab Reviewed-on: https://boringssl-review.googlesource.com/1917 Reviewed-by: Adam Langley <agl@google.com>
This commit is contained in:
David Benjamin
Adam Langley
parent
8f160a680b
commit
bc8d737807
@ -17,10 +17,13 @@
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#include <stdlib.h>
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#include <openssl/bio.h>
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#include <openssl/bytestring.h>
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#include <openssl/crypto.h>
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#include <openssl/digest.h>
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#include <openssl/err.h>
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#include <openssl/evp.h>
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#include <openssl/rsa.h>
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#include <openssl/x509.h>
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/* kExampleRSAKeyDER is an RSA private key in ASN.1, DER format. Of course, you
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@ -95,26 +98,104 @@ static const uint8_t kSignature[] = {
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0x55, 0xa7, 0xab, 0x45, 0x02, 0x97, 0x60, 0x42,
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};
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/* kExamplePSSCert is an example self-signed certificate, signed with
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* kExampleRSAKeyDER using RSA-PSS with default hash functions. */
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static const uint8_t kExamplePSSCert[] = {
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0x30, 0x82, 0x02, 0x62, 0x30, 0x82, 0x01, 0xc6, 0xa0, 0x03, 0x02, 0x01,
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0x02, 0x02, 0x09, 0x00, 0x8d, 0xea, 0x53, 0x24, 0xfa, 0x48, 0x87, 0xf3,
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0x30, 0x12, 0x06, 0x09, 0x2a, 0x86, 0x48, 0x86, 0xf7, 0x0d, 0x01, 0x01,
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0x0a, 0x30, 0x05, 0xa2, 0x03, 0x02, 0x01, 0x6a, 0x30, 0x45, 0x31, 0x0b,
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0x30, 0x09, 0x06, 0x03, 0x55, 0x04, 0x06, 0x13, 0x02, 0x41, 0x55, 0x31,
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0x13, 0x30, 0x11, 0x06, 0x03, 0x55, 0x04, 0x08, 0x0c, 0x0a, 0x53, 0x6f,
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0x6d, 0x65, 0x2d, 0x53, 0x74, 0x61, 0x74, 0x65, 0x31, 0x21, 0x30, 0x1f,
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0x06, 0x03, 0x55, 0x04, 0x0a, 0x0c, 0x18, 0x49, 0x6e, 0x74, 0x65, 0x72,
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0x6e, 0x65, 0x74, 0x20, 0x57, 0x69, 0x64, 0x67, 0x69, 0x74, 0x73, 0x20,
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0x50, 0x74, 0x79, 0x20, 0x4c, 0x74, 0x64, 0x30, 0x1e, 0x17, 0x0d, 0x31,
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0x34, 0x31, 0x30, 0x30, 0x39, 0x31, 0x39, 0x30, 0x39, 0x35, 0x35, 0x5a,
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0x17, 0x0d, 0x31, 0x35, 0x31, 0x30, 0x30, 0x39, 0x31, 0x39, 0x30, 0x39,
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0x35, 0x35, 0x5a, 0x30, 0x45, 0x31, 0x0b, 0x30, 0x09, 0x06, 0x03, 0x55,
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0x04, 0x06, 0x13, 0x02, 0x41, 0x55, 0x31, 0x13, 0x30, 0x11, 0x06, 0x03,
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0x55, 0x04, 0x08, 0x0c, 0x0a, 0x53, 0x6f, 0x6d, 0x65, 0x2d, 0x53, 0x74,
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0x61, 0x74, 0x65, 0x31, 0x21, 0x30, 0x1f, 0x06, 0x03, 0x55, 0x04, 0x0a,
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0x0c, 0x18, 0x49, 0x6e, 0x74, 0x65, 0x72, 0x6e, 0x65, 0x74, 0x20, 0x57,
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0x69, 0x64, 0x67, 0x69, 0x74, 0x73, 0x20, 0x50, 0x74, 0x79, 0x20, 0x4c,
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0x74, 0x64, 0x30, 0x81, 0x9f, 0x30, 0x0d, 0x06, 0x09, 0x2a, 0x86, 0x48,
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0x86, 0xf7, 0x0d, 0x01, 0x01, 0x01, 0x05, 0x00, 0x03, 0x81, 0x8d, 0x00,
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0x30, 0x81, 0x89, 0x02, 0x81, 0x81, 0x00, 0xf8, 0xb8, 0x6c, 0x83, 0xb4,
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0xbc, 0xd9, 0xa8, 0x57, 0xc0, 0xa5, 0xb4, 0x59, 0x76, 0x8c, 0x54, 0x1d,
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0x79, 0xeb, 0x22, 0x52, 0x04, 0x7e, 0xd3, 0x37, 0xeb, 0x41, 0xfd, 0x83,
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0xf9, 0xf0, 0xa6, 0x85, 0x15, 0x34, 0x75, 0x71, 0x5a, 0x84, 0xa8, 0x3c,
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0xd2, 0xef, 0x5a, 0x4e, 0xd3, 0xde, 0x97, 0x8a, 0xdd, 0xff, 0xbb, 0xcf,
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0x0a, 0xaa, 0x86, 0x92, 0xbe, 0xb8, 0x50, 0xe4, 0xcd, 0x6f, 0x80, 0x33,
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0x30, 0x76, 0x13, 0x8f, 0xca, 0x7b, 0xdc, 0xec, 0x5a, 0xca, 0x63, 0xc7,
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0x03, 0x25, 0xef, 0xa8, 0x8a, 0x83, 0x58, 0x76, 0x20, 0xfa, 0x16, 0x77,
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0xd7, 0x79, 0x92, 0x63, 0x01, 0x48, 0x1a, 0xd8, 0x7b, 0x67, 0xf1, 0x52,
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0x55, 0x49, 0x4e, 0xd6, 0x6e, 0x4a, 0x5c, 0xd7, 0x7a, 0x37, 0x36, 0x0c,
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0xde, 0xdd, 0x8f, 0x44, 0xe8, 0xc2, 0xa7, 0x2c, 0x2b, 0xb5, 0xaf, 0x64,
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0x4b, 0x61, 0x07, 0x02, 0x03, 0x01, 0x00, 0x01, 0xa3, 0x50, 0x30, 0x4e,
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0x30, 0x1d, 0x06, 0x03, 0x55, 0x1d, 0x0e, 0x04, 0x16, 0x04, 0x14, 0xd0,
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0x41, 0xfb, 0x89, 0x41, 0x1e, 0xa7, 0xad, 0x5a, 0xec, 0x34, 0x5d, 0x49,
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0x11, 0xf9, 0x55, 0x81, 0x78, 0x1f, 0x13, 0x30, 0x1f, 0x06, 0x03, 0x55,
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0x1d, 0x23, 0x04, 0x18, 0x30, 0x16, 0x80, 0x14, 0xd0, 0x41, 0xfb, 0x89,
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0x41, 0x1e, 0xa7, 0xad, 0x5a, 0xec, 0x34, 0x5d, 0x49, 0x11, 0xf9, 0x55,
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0x81, 0x78, 0x1f, 0x13, 0x30, 0x0c, 0x06, 0x03, 0x55, 0x1d, 0x13, 0x04,
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0x05, 0x30, 0x03, 0x01, 0x01, 0xff, 0x30, 0x12, 0x06, 0x09, 0x2a, 0x86,
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0x48, 0x86, 0xf7, 0x0d, 0x01, 0x01, 0x0a, 0x30, 0x05, 0xa2, 0x03, 0x02,
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0x01, 0x6a, 0x03, 0x81, 0x81, 0x00, 0x49, 0x4c, 0xb6, 0x45, 0x97, 0x20,
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0x35, 0xb3, 0x50, 0x64, 0x0d, 0x3f, 0xec, 0x5f, 0x95, 0xd5, 0x84, 0xcb,
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0x11, 0x7c, 0x03, 0xd7, 0xa6, 0xe6, 0xfa, 0x24, 0x95, 0x9f, 0x31, 0xb0,
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0xb5, 0xec, 0x66, 0x41, 0x51, 0x18, 0x21, 0x91, 0xbb, 0xe0, 0xaf, 0xf0,
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0xc5, 0xb7, 0x59, 0x41, 0xd4, 0xdb, 0xa4, 0xd2, 0x64, 0xa7, 0x54, 0x0f,
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0x8c, 0xf7, 0xe1, 0xd3, 0x3b, 0x1a, 0xb7, 0x0e, 0x9d, 0x9a, 0xde, 0x50,
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0xa1, 0x9f, 0x0a, 0xf0, 0xda, 0x34, 0x0e, 0x34, 0x7d, 0x76, 0x07, 0xfe,
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0x5a, 0xfb, 0xf9, 0x58, 0x9b, 0xc9, 0x50, 0x84, 0x01, 0xa0, 0x05, 0x4d,
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0x67, 0x42, 0x0b, 0xf8, 0xe4, 0x05, 0xcf, 0xaf, 0x8b, 0x71, 0x31, 0xf1,
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0x0f, 0x6e, 0xc9, 0x24, 0x27, 0x9b, 0xac, 0x04, 0xd7, 0x64, 0x0d, 0x30,
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0x4e, 0x11, 0x93, 0x40, 0x39, 0xbb, 0x72, 0xb2, 0xfe, 0x6b, 0xe4, 0xae,
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0x8c, 0x16,
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};
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int example_EVP_DigestSignInit(void) {
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int ret = 0;
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static EVP_PKEY *load_example_rsa_key(void) {
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EVP_PKEY *ret = NULL;
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const uint8_t *derp = kExampleRSAKeyDER;
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EVP_PKEY *pkey = NULL;
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RSA *rsa = NULL;
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const uint8_t *derp = kExampleRSAKeyDER;
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uint8_t *sig = NULL;
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size_t sig_len = 0;
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EVP_MD_CTX md_ctx;
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EVP_MD_CTX_init(&md_ctx);
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if (!d2i_RSAPrivateKey(&rsa, &derp, sizeof(kExampleRSAKeyDER))) {
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goto out;
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return NULL;
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}
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pkey = EVP_PKEY_new();
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sig = malloc(sig_len);
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if (pkey == NULL || !EVP_PKEY_set1_RSA(pkey, rsa)) {
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goto out;
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}
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ret = pkey;
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pkey = NULL;
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out:
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if (pkey) {
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EVP_PKEY_free(pkey);
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}
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if (rsa) {
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RSA_free(rsa);
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}
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return ret;
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}
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static int example_EVP_DigestSignInit(void) {
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int ret = 0;
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EVP_PKEY *pkey = NULL;
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uint8_t *sig = NULL;
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size_t sig_len = 0;
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EVP_MD_CTX md_ctx, md_ctx_verify;
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EVP_MD_CTX_init(&md_ctx);
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EVP_MD_CTX_init(&md_ctx_verify);
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pkey = load_example_rsa_key();
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if (pkey == NULL ||
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!EVP_PKEY_set1_RSA(pkey, rsa) ||
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EVP_DigestSignInit(&md_ctx, NULL, EVP_sha256(), NULL, pkey) != 1 ||
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EVP_DigestSignUpdate(&md_ctx, kMsg, sizeof(kMsg)) != 1) {
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goto out;
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@ -124,17 +205,20 @@ int example_EVP_DigestSignInit(void) {
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goto out;
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}
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/* Sanity check for testing. */
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if (sig_len != RSA_size(rsa)) {
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if (sig_len != EVP_PKEY_size(pkey)) {
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fprintf(stderr, "sig_len mismatch\n");
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goto out;
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}
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sig = malloc(sig_len);
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if (sig == NULL) {
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if (sig == NULL || EVP_DigestSignFinal(&md_ctx, sig, &sig_len) != 1) {
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goto out;
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}
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if (EVP_DigestSignFinal(&md_ctx, sig, &sig_len) != 1) {
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free(sig);
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/* Ensure that the signature round-trips. */
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if (EVP_DigestVerifyInit(&md_ctx_verify, NULL, EVP_sha256(), NULL, pkey) != 1 ||
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EVP_DigestVerifyUpdate(&md_ctx_verify, kMsg, sizeof(kMsg)) != 1 ||
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EVP_DigestVerifyFinal(&md_ctx_verify, sig, sig_len) != 1) {
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goto out;
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}
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@ -146,12 +230,10 @@ out:
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}
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EVP_MD_CTX_cleanup(&md_ctx);
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EVP_MD_CTX_cleanup(&md_ctx_verify);
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if (pkey) {
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EVP_PKEY_free(pkey);
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}
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if (rsa) {
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RSA_free(rsa);
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}
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if (sig) {
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free(sig);
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}
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@ -159,22 +241,15 @@ out:
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return ret;
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}
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int example_EVP_DigestVerifyInit(void) {
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static int example_EVP_DigestVerifyInit(void) {
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int ret = 0;
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EVP_PKEY *pkey = NULL;
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RSA *rsa = NULL;
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const uint8_t *derp = kExampleRSAKeyDER;
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EVP_MD_CTX md_ctx;
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EVP_MD_CTX_init(&md_ctx);
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if (!d2i_RSAPrivateKey(&rsa, &derp, sizeof(kExampleRSAKeyDER))) {
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goto out;
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}
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pkey = EVP_PKEY_new();
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pkey = load_example_rsa_key();
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if (pkey == NULL ||
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!EVP_PKEY_set1_RSA(pkey, rsa) ||
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EVP_DigestVerifyInit(&md_ctx, NULL, EVP_sha256(), NULL, pkey) != 1 ||
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EVP_DigestVerifyUpdate(&md_ctx, kMsg, sizeof(kMsg)) != 1 ||
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EVP_DigestVerifyFinal(&md_ctx, kSignature, sizeof(kSignature)) != 1) {
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@ -191,8 +266,169 @@ out:
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if (pkey) {
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EVP_PKEY_free(pkey);
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}
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if (rsa) {
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RSA_free(rsa);
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return ret;
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}
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/* test_algorithm_roundtrip signs a message using an already-initialized
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* |md_ctx|, sampling the AlgorithmIdentifier. It then uses |pkey| and the
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* AlgorithmIdentifier to verify the signature. */
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static int test_algorithm_roundtrip(EVP_MD_CTX *md_ctx, EVP_PKEY *pkey) {
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int ret = 0;
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uint8_t *sig = NULL;
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size_t sig_len = 0;
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EVP_MD_CTX md_ctx_verify;
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X509_ALGOR *algor = NULL;
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EVP_MD_CTX_init(&md_ctx_verify);
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if (EVP_DigestSignUpdate(md_ctx, kMsg, sizeof(kMsg)) != 1) {
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goto out;
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}
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/* Save the algorithm. */
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algor = X509_ALGOR_new();
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if (algor == NULL || !EVP_DigestSignAlgorithm(md_ctx, algor)) {
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goto out;
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}
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/* Determine the size of the signature. */
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if (EVP_DigestSignFinal(md_ctx, NULL, &sig_len) != 1) {
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goto out;
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}
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/* Sanity check for testing. */
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if (sig_len != EVP_PKEY_size(pkey)) {
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fprintf(stderr, "sig_len mismatch\n");
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goto out;
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}
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sig = malloc(sig_len);
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if (sig == NULL || EVP_DigestSignFinal(md_ctx, sig, &sig_len) != 1) {
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goto out;
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}
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/* Ensure that the signature round-trips. */
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if (EVP_DigestVerifyInitFromAlgorithm(&md_ctx_verify, algor, pkey) != 1 ||
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EVP_DigestVerifyUpdate(&md_ctx_verify, kMsg, sizeof(kMsg)) != 1 ||
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EVP_DigestVerifyFinal(&md_ctx_verify, sig, sig_len) != 1) {
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goto out;
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}
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ret = 1;
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out:
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EVP_MD_CTX_cleanup(&md_ctx_verify);
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if (sig) {
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free(sig);
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}
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if (algor) {
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X509_ALGOR_free(algor);
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}
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return ret;
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}
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static int test_EVP_DigestSignAlgorithm(void) {
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int ret = 0;
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EVP_PKEY *pkey = NULL;
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EVP_MD_CTX md_ctx;
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EVP_PKEY_CTX *pkey_ctx;
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EVP_MD_CTX_init(&md_ctx);
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pkey = load_example_rsa_key();
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if (pkey == NULL) {
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goto out;
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}
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/* Test a simple AlgorithmIdentifier. */
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if (EVP_DigestSignInit(&md_ctx, &pkey_ctx, EVP_sha256(), NULL, pkey) != 1 ||
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!test_algorithm_roundtrip(&md_ctx, pkey)) {
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fprintf(stderr, "RSA with SHA-256 failed\n");
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goto out;
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}
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EVP_MD_CTX_cleanup(&md_ctx);
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EVP_MD_CTX_init(&md_ctx);
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/* Test RSA-PSS with custom parameters. */
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if (EVP_DigestSignInit(&md_ctx, &pkey_ctx, EVP_sha256(), NULL, pkey) != 1 ||
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EVP_PKEY_CTX_set_rsa_padding(pkey_ctx, RSA_PKCS1_PSS_PADDING) != 1 ||
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EVP_PKEY_CTX_set_rsa_mgf1_md(pkey_ctx, EVP_sha512()) != 1 ||
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!test_algorithm_roundtrip(&md_ctx, pkey)) {
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fprintf(stderr, "RSA-PSS failed\n");
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goto out;
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}
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ret = 1;
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out:
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if (!ret) {
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BIO_print_errors_fp(stderr);
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}
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EVP_MD_CTX_cleanup(&md_ctx);
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if (pkey) {
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EVP_PKEY_free(pkey);
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}
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return ret;
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}
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static int example_EVP_DigestVerifyInitFromAlgorithm(void) {
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int ret = 0;
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CBS cert, cert_body, tbs_cert, algorithm, signature;
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uint8_t padding;
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X509_ALGOR *algor = NULL;
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const uint8_t *derp;
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EVP_PKEY *pkey = NULL;
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EVP_MD_CTX md_ctx;
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EVP_MD_CTX_init(&md_ctx);
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CBS_init(&cert, kExamplePSSCert, sizeof(kExamplePSSCert));
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if (!CBS_get_asn1(&cert, &cert_body, CBS_ASN1_SEQUENCE) ||
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CBS_len(&cert) != 0 ||
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!CBS_get_any_asn1_element(&cert_body, &tbs_cert, NULL, NULL) ||
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!CBS_get_asn1_element(&cert_body, &algorithm, CBS_ASN1_SEQUENCE) ||
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!CBS_get_asn1(&cert_body, &signature, CBS_ASN1_BITSTRING) ||
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CBS_len(&cert_body) != 0) {
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fprintf(stderr, "Failed to parse certificate\n");
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goto out;
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}
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/* Signatures are BIT STRINGs, but they have are multiple of 8 bytes, so the
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leading phase byte is just a zero. */
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if (!CBS_get_u8(&signature, &padding) || padding != 0) {
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fprintf(stderr, "Invalid signature padding\n");
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goto out;
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}
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|
||||
derp = CBS_data(&algorithm);
|
||||
if (!d2i_X509_ALGOR(&algor, &derp, CBS_len(&algorithm)) ||
|
||||
derp != CBS_data(&algorithm) + CBS_len(&algorithm)) {
|
||||
fprintf(stderr, "Failed to parse algorithm\n");
|
||||
}
|
||||
|
||||
pkey = load_example_rsa_key();
|
||||
if (pkey == NULL ||
|
||||
EVP_DigestVerifyInitFromAlgorithm(&md_ctx, algor, pkey) != 1||
|
||||
EVP_DigestVerifyUpdate(&md_ctx, CBS_data(&tbs_cert),
|
||||
CBS_len(&tbs_cert)) != 1 ||
|
||||
EVP_DigestVerifyFinal(&md_ctx, CBS_data(&signature),
|
||||
CBS_len(&signature)) != 1) {
|
||||
goto out;
|
||||
}
|
||||
ret = 1;
|
||||
|
||||
out:
|
||||
if (!ret) {
|
||||
BIO_print_errors_fp(stderr);
|
||||
}
|
||||
|
||||
EVP_MD_CTX_cleanup(&md_ctx);
|
||||
if (pkey) {
|
||||
EVP_PKEY_free(pkey);
|
||||
}
|
||||
|
||||
return ret;
|
||||
@ -200,6 +436,7 @@ out:
|
||||
|
||||
int main(void) {
|
||||
CRYPTO_library_init();
|
||||
ERR_load_crypto_strings();
|
||||
|
||||
if (!example_EVP_DigestSignInit()) {
|
||||
fprintf(stderr, "EVP_DigestSignInit failed\n");
|
||||
@ -211,6 +448,16 @@ int main(void) {
|
||||
return 1;
|
||||
}
|
||||
|
||||
if (!test_EVP_DigestSignAlgorithm()) {
|
||||
fprintf(stderr, "EVP_DigestSignInit failed\n");
|
||||
return 1;
|
||||
}
|
||||
|
||||
if (!example_EVP_DigestVerifyInitFromAlgorithm()) {
|
||||
fprintf(stderr, "EVP_DigestVerifyInitFromAlgorithm failed\n");
|
||||
return 1;
|
||||
}
|
||||
|
||||
printf("PASS\n");
|
||||
return 0;
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user