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Equally experimental encrypt side for fips_gcmtest. Currently this uses IVs

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in the request file need to update it to generate IVs once we have an IV
generator in place.
This commit is contained in:
Dr. Stephen Henson 2011-02-08 19:25:24 +00:00
parent c415adc26f
commit f4bfe97fc9
1 changed files with 44 additions and 3 deletions
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47
fips/aes/fips_gcmtest.c
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@ -136,6 +136,15 @@ static void gcmtest(int encrypt)
exit(1); exit(1);
} }
} }
else if(!strcmp(keyword,"PT"))
{
pt = hex2bin_m(value, &l);
if (l != ptlen)
{
fprintf(stderr, "Inconsistent PT length\n");
exit(1);
}
}
else if(!strcmp(keyword,"CT")) else if(!strcmp(keyword,"CT"))
{ {
ct = hex2bin_m(value, &l); ct = hex2bin_m(value, &l);
@ -162,11 +171,43 @@ static void gcmtest(int encrypt)
fprintf(stderr, "Inconsistent Tag length\n"); fprintf(stderr, "Inconsistent Tag length\n");
exit(1); exit(1);
} }
if (encrypt) }
/* FIXME: need intenal IV generation */
if (encrypt && iv && pt && aad)
{
tag = OPENSSL_malloc(taglen);
EVP_CipherInit_ex(&ctx, gcm, NULL, NULL, NULL, 1);
EVP_CIPHER_CTX_ctrl(&ctx, EVP_CTRL_GCM_SET_IVLEN, ivlen, 0);
EVP_CipherInit_ex(&ctx, NULL, NULL, key, iv, 1);
if (aadlen)
EVP_Cipher(&ctx, NULL, aad, aadlen);
if (ptlen)
{ {
fprintf(stderr, "Parse Error for Encrypt\n"); ct = OPENSSL_malloc(ptlen);
exit(1); rv = EVP_Cipher(&ctx, ct, pt, ptlen);
} }
EVP_Cipher(&ctx, NULL, NULL, 0);
EVP_CIPHER_CTX_ctrl(&ctx, EVP_CTRL_GCM_GET_TAG,
taglen, tag);
OutputValue("CT", ct, ptlen, stdout, 0);
OutputValue("Tag", tag, taglen, stdout, 0);
if (iv)
OPENSSL_free(iv);
if (aad)
OPENSSL_free(aad);
if (ct)
OPENSSL_free(ct);
if (pt)
OPENSSL_free(pt);
if (key)
OPENSSL_free(key);
if (tag)
OPENSSL_free(tag);
iv = aad = ct = pt = key = tag = NULL;
}
if (!encrypt && tag)
{
EVP_CipherInit_ex(&ctx, gcm, NULL, NULL, NULL, 0); EVP_CipherInit_ex(&ctx, gcm, NULL, NULL, NULL, 0);
EVP_CIPHER_CTX_ctrl(&ctx, EVP_CTRL_GCM_SET_IVLEN, ivlen, 0); EVP_CIPHER_CTX_ctrl(&ctx, EVP_CTRL_GCM_SET_IVLEN, ivlen, 0);
EVP_CipherInit_ex(&ctx, NULL, NULL, key, iv, 0); EVP_CipherInit_ex(&ctx, NULL, NULL, key, iv, 0);